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| author | Gonçalo Silva <goncalossilva@gmail.com> | 2010-08-10 18:15:12 +0100 |
|---|---|---|
| committer | Gonçalo Silva <goncalossilva@gmail.com> | 2010-08-10 18:15:12 +0100 |
| commit | 62658500049fbb7a5e7d75537dd6f6a374204207 (patch) | |
| tree | 8892d8305ced43866068a6c1c66548e465e45b38 /activerecord | |
| parent | cd2bbed9846d84a1230a1b9e52843eedca17b28d (diff) | |
| parent | e86cced311539932420f9cda49d736606d106c28 (diff) | |
| download | rails-62658500049fbb7a5e7d75537dd6f6a374204207.tar.gz rails-62658500049fbb7a5e7d75537dd6f6a374204207.tar.bz2 rails-62658500049fbb7a5e7d75537dd6f6a374204207.zip | |
Merge branch 'master' of http://github.com/rails/rails
Diffstat (limited to 'activerecord')
131 files changed, 4355 insertions, 2381 deletions
diff --git a/activerecord/CHANGELOG b/activerecord/CHANGELOG index a1a82fdff5..20b2286fc0 100644 --- a/activerecord/CHANGELOG +++ b/activerecord/CHANGELOG @@ -1,4 +1,6 @@ -*Rails 3.0.0 [RC1] (unreleased)* +*Rails 3.0.0 [release candidate] (July 26th, 2010)* + +* Changed update_attribute to not run callbacks and update the record directly in the database [Neeraj Singh] * Add scoping and unscoped as the syntax to replace the old with_scope and with_exclusive_scope [José Valim] diff --git a/activerecord/README b/activerecord/README deleted file mode 100644 index d68eb28a64..0000000000 --- a/activerecord/README +++ /dev/null @@ -1,351 +0,0 @@ -= Active Record -- Object-relation mapping put on rails - -Active Record connects business objects and database tables to create a persistable -domain model where logic and data are presented in one wrapping. It's an implementation -of the object-relational mapping (ORM) pattern[http://www.martinfowler.com/eaaCatalog/activeRecord.html] -by the same name as described by Martin Fowler: - - "An object that wraps a row in a database table or view, encapsulates - the database access, and adds domain logic on that data." - -Active Record's main contribution to the pattern is to relieve the original of two stunting problems: -lack of associations and inheritance. By adding a simple domain language-like set of macros to describe -the former and integrating the Single Table Inheritance pattern for the latter, Active Record narrows the -gap of functionality between the data mapper and active record approach. - -A short rundown of the major features: - -* Automated mapping between classes and tables, attributes and columns. - - class Product < ActiveRecord::Base; end - - ...is automatically mapped to the table named "products", such as: - - CREATE TABLE products ( - id int(11) NOT NULL auto_increment, - name varchar(255), - PRIMARY KEY (id) - ); - - ...which again gives Product#name and Product#name=(new_name) - - {Learn more}[link:classes/ActiveRecord/Base.html] - - -* Associations between objects controlled by simple meta-programming macros. - - class Firm < ActiveRecord::Base - has_many :clients - has_one :account - belongs_to :conglomorate - end - - {Learn more}[link:classes/ActiveRecord/Associations/ClassMethods.html] - - -* Aggregations of value objects controlled by simple meta-programming macros. - - class Account < ActiveRecord::Base - composed_of :balance, :class_name => "Money", - :mapping => %w(balance amount) - composed_of :address, - :mapping => [%w(address_street street), %w(address_city city)] - end - - {Learn more}[link:classes/ActiveRecord/Aggregations/ClassMethods.html] - - -* Validation rules that can differ for new or existing objects. - - class Account < ActiveRecord::Base - validates_presence_of :subdomain, :name, :email_address, :password - validates_uniqueness_of :subdomain - validates_acceptance_of :terms_of_service, :on => :create - validates_confirmation_of :password, :email_address, :on => :create - end - - {Learn more}[link:classes/ActiveRecord/Validations.html] - -* Callbacks as methods or queues on the entire lifecycle (instantiation, saving, destroying, validating, etc). - - class Person < ActiveRecord::Base - def before_destroy # is called just before Person#destroy - CreditCard.find(credit_card_id).destroy - end - end - - class Account < ActiveRecord::Base - after_find :eager_load, 'self.class.announce(#{id})' - end - - {Learn more}[link:classes/ActiveRecord/Callbacks.html] - - -* Observers for the entire lifecycle - - class CommentObserver < ActiveRecord::Observer - def after_create(comment) # is called just after Comment#save - Notifications.deliver_new_comment("david@loudthinking.com", comment) - end - end - - {Learn more}[link:classes/ActiveRecord/Observer.html] - - -* Inheritance hierarchies - - class Company < ActiveRecord::Base; end - class Firm < Company; end - class Client < Company; end - class PriorityClient < Client; end - - {Learn more}[link:classes/ActiveRecord/Base.html] - - -* Transactions - - # Database transaction - Account.transaction do - david.withdrawal(100) - mary.deposit(100) - end - - {Learn more}[link:classes/ActiveRecord/Transactions/ClassMethods.html] - - -* Reflections on columns, associations, and aggregations - - reflection = Firm.reflect_on_association(:clients) - reflection.klass # => Client (class) - Firm.columns # Returns an array of column descriptors for the firms table - - {Learn more}[link:classes/ActiveRecord/Reflection/ClassMethods.html] - - -* Direct manipulation (instead of service invocation) - - So instead of (Hibernate[http://www.hibernate.org/] example): - - long pkId = 1234; - DomesticCat pk = (DomesticCat) sess.load( Cat.class, new Long(pkId) ); - // something interesting involving a cat... - sess.save(cat); - sess.flush(); // force the SQL INSERT - - Active Record lets you: - - pkId = 1234 - cat = Cat.find(pkId) - # something even more interesting involving the same cat... - cat.save - - {Learn more}[link:classes/ActiveRecord/Base.html] - - -* Database abstraction through simple adapters (~100 lines) with a shared connector - - ActiveRecord::Base.establish_connection(:adapter => "sqlite", :database => "dbfile") - - ActiveRecord::Base.establish_connection( - :adapter => "mysql", - :host => "localhost", - :username => "me", - :password => "secret", - :database => "activerecord" - ) - - {Learn more}[link:classes/ActiveRecord/Base.html#M000081] and read about the built-in support for - MySQL[link:classes/ActiveRecord/ConnectionAdapters/MysqlAdapter.html], PostgreSQL[link:classes/ActiveRecord/ConnectionAdapters/PostgreSQLAdapter.html], SQLite[link:classes/ActiveRecord/ConnectionAdapters/SQLiteAdapter.html], Oracle[link:classes/ActiveRecord/ConnectionAdapters/OracleAdapter.html], SQLServer[link:classes/ActiveRecord/ConnectionAdapters/SQLServerAdapter.html], and DB2[link:classes/ActiveRecord/ConnectionAdapters/DB2Adapter.html]. - - -* Logging support for Log4r[http://log4r.sourceforge.net] and Logger[http://www.ruby-doc.org/stdlib/libdoc/logger/rdoc] - - ActiveRecord::Base.logger = Logger.new(STDOUT) - ActiveRecord::Base.logger = Log4r::Logger.new("Application Log") - - -* Database agnostic schema management with Migrations - - class AddSystemSettings < ActiveRecord::Migration - def self.up - create_table :system_settings do |t| - t.string :name - t.string :label - t.text :value - t.string :type - t.integer :position - end - - SystemSetting.create :name => "notice", :label => "Use notice?", :value => 1 - end - - def self.down - drop_table :system_settings - end - end - - {Learn more}[link:classes/ActiveRecord/Migration.html] - -== Simple example (1/2): Defining tables and classes (using MySQL) - -Data definitions are specified only in the database. Active Record queries the database for -the column names (that then serves to determine which attributes are valid) on regular -object instantiation through the new constructor and relies on the column names in the rows -with the finders. - - # CREATE TABLE companies ( - # id int(11) unsigned NOT NULL auto_increment, - # client_of int(11), - # name varchar(255), - # type varchar(100), - # PRIMARY KEY (id) - # ) - -Active Record automatically links the "Company" object to the "companies" table - - class Company < ActiveRecord::Base - has_many :people, :class_name => "Person" - end - - class Firm < Company - has_many :clients - - def people_with_all_clients - clients.inject([]) { |people, client| people + client.people } - end - end - -The foreign_key is only necessary because we didn't use "firm_id" in the data definition - - class Client < Company - belongs_to :firm, :foreign_key => "client_of" - end - - # CREATE TABLE people ( - # id int(11) unsigned NOT NULL auto_increment, - # name text, - # company_id text, - # PRIMARY KEY (id) - # ) - -Active Record will also automatically link the "Person" object to the "people" table - - class Person < ActiveRecord::Base - belongs_to :company - end - -== Simple example (2/2): Using the domain - -Picking a database connection for all the Active Records - - ActiveRecord::Base.establish_connection( - :adapter => "mysql", - :host => "localhost", - :username => "me", - :password => "secret", - :database => "activerecord" - ) - -Create some fixtures - - firm = Firm.new("name" => "Next Angle") - # SQL: INSERT INTO companies (name, type) VALUES("Next Angle", "Firm") - firm.save - - client = Client.new("name" => "37signals", "client_of" => firm.id) - # SQL: INSERT INTO companies (name, client_of, type) VALUES("37signals", 1, "Firm") - client.save - -Lots of different finders - - # SQL: SELECT * FROM companies WHERE id = 1 - next_angle = Company.find(1) - - # SQL: SELECT * FROM companies WHERE id = 1 AND type = 'Firm' - next_angle = Firm.find(1) - - # SQL: SELECT * FROM companies WHERE id = 1 AND name = 'Next Angle' - next_angle = Company.find(:first, :conditions => "name = 'Next Angle'") - - next_angle = Firm.find_by_sql("SELECT * FROM companies WHERE id = 1").first - -The supertype, Company, will return subtype instances - - Firm === next_angle - -All the dynamic methods added by the has_many macro - - next_angle.clients.empty? # true - next_angle.clients.size # total number of clients - all_clients = next_angle.clients - -Constrained finds makes access security easier when ID comes from a web-app - - # SQL: SELECT * FROM companies WHERE client_of = 1 AND type = 'Client' AND id = 2 - thirty_seven_signals = next_angle.clients.find(2) - -Bi-directional associations thanks to the "belongs_to" macro - - thirty_seven_signals.firm.nil? # true - - -== Philosophy - -Active Record attempts to provide a coherent wrapper as a solution for the inconvenience that is -object-relational mapping. The prime directive for this mapping has been to minimize -the amount of code needed to build a real-world domain model. This is made possible -by relying on a number of conventions that make it easy for Active Record to infer -complex relations and structures from a minimal amount of explicit direction. - -Convention over Configuration: -* No XML-files! -* Lots of reflection and run-time extension -* Magic is not inherently a bad word - -Admit the Database: -* Lets you drop down to SQL for odd cases and performance -* Doesn't attempt to duplicate or replace data definitions - - -== Download - -The latest version of Active Record can be found at - -* http://rubyforge.org/project/showfiles.php?group_id=182 - -Documentation can be found at - -* http://ar.rubyonrails.com - - -== Installation - -The prefered method of installing Active Record is through its GEM file. You'll need to have -RubyGems[http://rubygems.rubyforge.org/wiki/wiki.pl] installed for that, though. If you have, -then use: - - % [sudo] gem install activerecord-1.10.0.gem - -You can also install Active Record the old-fashioned way with the following command: - - % [sudo] ruby install.rb - -from its distribution directory. - - -== License - -Active Record is released under the MIT license. - - -== Support - -The Active Record homepage is http://www.rubyonrails.com. You can find the Active Record -RubyForge page at http://rubyforge.org/projects/activerecord. And as Jim from Rake says: - - Feel free to submit commits or feature requests. If you send a patch, - remember to update the corresponding unit tests. If fact, I prefer - new feature to be submitted in the form of new unit tests. - -For other information, feel free to ask on the rubyonrails-talk -(http://groups.google.com/group/rubyonrails-talk) mailing list. diff --git a/activerecord/README.rdoc b/activerecord/README.rdoc new file mode 100644 index 0000000000..8dbd6c82b5 --- /dev/null +++ b/activerecord/README.rdoc @@ -0,0 +1,222 @@ += Active Record -- Object-relational mapping put on rails + +Active Record connects classes to relational database tables to establish an +almost zero-configuration persistence layer for applications. The library +provides a base class that, when subclassed, sets up a mapping between the new +class and an existing table in the database. In context of an application, +these classes are commonly referred to as *models*. Models can also be +connected to other models; this is done by defining *associations*. + +Active Record relies heavily on naming in that it uses class and association +names to establish mappings between respective database tables and foreign key +columns. Although these mappings can be defined explicitly, it's recommended +to follow naming conventions, especially when getting started with the +library. + +A short rundown of some of the major features: + +* Automated mapping between classes and tables, attributes and columns. + + class Product < ActiveRecord::Base + end + + The Product class is automatically mapped to the table named "products", + which might look like this: + + CREATE TABLE products ( + id int(11) NOT NULL auto_increment, + name varchar(255), + PRIMARY KEY (id) + ); + + This would also define the following accessors: `Product#name` and + `Product#name=(new_name)` + + {Learn more}[link:classes/ActiveRecord/Base.html] + + +* Associations between objects defined by simple class methods. + + class Firm < ActiveRecord::Base + has_many :clients + has_one :account + belongs_to :conglomerate + end + + {Learn more}[link:classes/ActiveRecord/Associations/ClassMethods.html] + + +* Aggregations of value objects. + + class Account < ActiveRecord::Base + composed_of :balance, :class_name => "Money", + :mapping => %w(balance amount) + composed_of :address, + :mapping => [%w(address_street street), %w(address_city city)] + end + + {Learn more}[link:classes/ActiveRecord/Aggregations/ClassMethods.html] + + +* Validation rules that can differ for new or existing objects. + + class Account < ActiveRecord::Base + validates_presence_of :subdomain, :name, :email_address, :password + validates_uniqueness_of :subdomain + validates_acceptance_of :terms_of_service, :on => :create + validates_confirmation_of :password, :email_address, :on => :create + end + + {Learn more}[link:classes/ActiveRecord/Validations.html] + + +* Callbacks available for the entire lifecycle (instantiation, saving, destroying, validating, etc.) + + class Person < ActiveRecord::Base + before_destroy :invalidate_payment_plan + # the `invalidate_payment_plan` method gets called just before Person#destroy + end + + {Learn more}[link:classes/ActiveRecord/Callbacks.html] + + +* Observers that react to changes in a model + + class CommentObserver < ActiveRecord::Observer + def after_create(comment) # is called just after Comment#save + Notifications.deliver_new_comment("david@loudthinking.com", comment) + end + end + + {Learn more}[link:classes/ActiveRecord/Observer.html] + + +* Inheritance hierarchies + + class Company < ActiveRecord::Base; end + class Firm < Company; end + class Client < Company; end + class PriorityClient < Client; end + + {Learn more}[link:classes/ActiveRecord/Base.html] + + +* Transactions + + # Database transaction + Account.transaction do + david.withdrawal(100) + mary.deposit(100) + end + + {Learn more}[link:classes/ActiveRecord/Transactions/ClassMethods.html] + + +* Reflections on columns, associations, and aggregations + + reflection = Firm.reflect_on_association(:clients) + reflection.klass # => Client (class) + Firm.columns # Returns an array of column descriptors for the firms table + + {Learn more}[link:classes/ActiveRecord/Reflection/ClassMethods.html] + + +* Database abstraction through simple adapters + + # connect to SQLite3 + ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :database => "dbfile.sqlite3") + + # connect to MySQL with authentication + ActiveRecord::Base.establish_connection( + :adapter => "mysql", + :host => "localhost", + :username => "me", + :password => "secret", + :database => "activerecord" + ) + + {Learn more}[link:classes/ActiveRecord/Base.html] and read about the built-in support for + MySQL[link:classes/ActiveRecord/ConnectionAdapters/MysqlAdapter.html], + PostgreSQL[link:classes/ActiveRecord/ConnectionAdapters/PostgreSQLAdapter.html], and + SQLite3[link:classes/ActiveRecord/ConnectionAdapters/SQLite3Adapter.html]. + + +* Logging support for Log4r[http://log4r.sourceforge.net] and Logger[http://www.ruby-doc.org/stdlib/libdoc/logger/rdoc] + + ActiveRecord::Base.logger = Logger.new(STDOUT) + ActiveRecord::Base.logger = Log4r::Logger.new("Application Log") + + +* Database agnostic schema management with Migrations + + class AddSystemSettings < ActiveRecord::Migration + def self.up + create_table :system_settings do |t| + t.string :name + t.string :label + t.text :value + t.string :type + t.integer :position + end + + SystemSetting.create :name => "notice", :label => "Use notice?", :value => 1 + end + + def self.down + drop_table :system_settings + end + end + + {Learn more}[link:classes/ActiveRecord/Migration.html] + + +== Philosophy + +Active Record is an implementation of the object-relational mapping (ORM) +pattern[http://www.martinfowler.com/eaaCatalog/activeRecord.html] by the same +name described by Martin Fowler: + + "An object that wraps a row in a database table or view, + encapsulates the database access, and adds domain logic on that data." + +Active Record attempts to provide a coherent wrapper as a solution for the inconvenience that is +object-relational mapping. The prime directive for this mapping has been to minimize +the amount of code needed to build a real-world domain model. This is made possible +by relying on a number of conventions that make it easy for Active Record to infer +complex relations and structures from a minimal amount of explicit direction. + +Convention over Configuration: +* No XML-files! +* Lots of reflection and run-time extension +* Magic is not inherently a bad word + +Admit the Database: +* Lets you drop down to SQL for odd cases and performance +* Doesn't attempt to duplicate or replace data definitions + + +== Download and installation + +The latest version of Active Record can be installed with Rubygems: + + % [sudo] gem install activerecord + +Source code can be downloaded as part of the Rails project on GitHub + +* http://github.com/rails/rails/tree/master/activerecord/ + + +== License + +Active Record is released under the MIT license. + + +== Support + +API documentation is at + +* http://api.rubyonrails.com + +Bug reports and feature requests can be filed with the rest for the Ruby on Rails project here: + +* https://rails.lighthouseapp.com/projects/8994-ruby-on-rails/tickets diff --git a/activerecord/Rakefile b/activerecord/Rakefile index 392b717e0a..c1e90cc099 100644 --- a/activerecord/Rakefile +++ b/activerecord/Rakefile @@ -1,8 +1,8 @@ -gem 'rdoc', '= 2.2' +gem 'rdoc', '>= 2.5.9' require 'rdoc' require 'rake' require 'rake/testtask' -require 'rake/rdoctask' +require 'rdoc/task' require 'rake/packagetask' require 'rake/gempackagetask' @@ -24,14 +24,14 @@ def run_without_aborting(*tasks) abort "Errors running #{errors.join(', ')}" if errors.any? end -desc 'Run mysql, sqlite, and postgresql tests by default' +desc 'Run mysql, mysql2, sqlite, and postgresql tests by default' task :default => :test -desc 'Run mysql, sqlite, and postgresql tests' +desc 'Run mysql, mysql2, sqlite, and postgresql tests' task :test do tasks = defined?(JRUBY_VERSION) ? %w(test_jdbcmysql test_jdbcsqlite3 test_jdbcpostgresql) : - %w(test_mysql test_sqlite3 test_postgresql) + %w(test_mysql test_mysql2 test_sqlite3 test_postgresql) run_without_aborting(*tasks) end @@ -39,15 +39,15 @@ namespace :test do task :isolated do tasks = defined?(JRUBY_VERSION) ? %w(isolated_test_jdbcmysql isolated_test_jdbcsqlite3 isolated_test_jdbcpostgresql) : - %w(isolated_test_mysql isolated_test_sqlite3 isolated_test_postgresql) + %w(isolated_test_mysql isolated_test_mysql2 isolated_test_sqlite3 isolated_test_postgresql) run_without_aborting(*tasks) end end -%w( mysql postgresql sqlite3 firebird db2 oracle sybase openbase frontbase jdbcmysql jdbcpostgresql jdbcsqlite3 jdbcderby jdbch2 jdbchsqldb ).each do |adapter| +%w( mysql mysql2 postgresql sqlite3 firebird db2 oracle sybase openbase frontbase jdbcmysql jdbcpostgresql jdbcsqlite3 jdbcderby jdbch2 jdbchsqldb ).each do |adapter| Rake::TestTask.new("test_#{adapter}") { |t| connection_path = "test/connections/#{adapter =~ /jdbc/ ? 'jdbc' : 'native'}_#{adapter}" - adapter_short = adapter == 'db2' ? adapter : adapter[/^[a-z]+/] + adapter_short = adapter == 'db2' ? adapter : adapter[/^[a-z0-9]+/] t.libs << "test" << connection_path t.test_files = (Dir.glob( "test/cases/**/*_test.rb" ).reject { |x| x =~ /\/adapters\// @@ -59,7 +59,7 @@ end task "isolated_test_#{adapter}" do connection_path = "test/connections/#{adapter =~ /jdbc/ ? 'jdbc' : 'native'}_#{adapter}" - adapter_short = adapter == 'db2' ? adapter : adapter[/^[a-z]+/] + adapter_short = adapter == 'db2' ? adapter : adapter[/^[a-z0-9]+/] puts [adapter, adapter_short, connection_path].inspect ruby = File.join(*RbConfig::CONFIG.values_at('bindir', 'RUBY_INSTALL_NAME')) (Dir["test/cases/**/*_test.rb"].reject { @@ -166,13 +166,13 @@ task :rebuild_frontbase_databases => 'frontbase:rebuild_databases' # Generate the RDoc documentation -Rake::RDocTask.new { |rdoc| +RDoc::Task.new { |rdoc| rdoc.rdoc_dir = 'doc' rdoc.title = "Active Record -- Object-relation mapping put on rails" - rdoc.options << '--line-numbers' << '--inline-source' << '-A cattr_accessor=object' + rdoc.options << '-f' << 'horo' + rdoc.options << '--main' << 'README.rdoc' rdoc.options << '--charset' << 'utf-8' - rdoc.template = ENV['template'] ? "#{ENV['template']}.rb" : '../doc/template/horo' - rdoc.rdoc_files.include('README', 'RUNNING_UNIT_TESTS', 'CHANGELOG') + rdoc.rdoc_files.include('README.rdoc', 'RUNNING_UNIT_TESTS', 'CHANGELOG') rdoc.rdoc_files.include('lib/**/*.rb') rdoc.rdoc_files.exclude('lib/active_record/vendor/*') rdoc.rdoc_files.include('dev-utils/*.rb') @@ -224,9 +224,3 @@ task :release => :package do Rake::Gemcutter::Tasks.new(spec).define Rake::Task['gem:push'].invoke end - -desc "Publish the API documentation" -task :pdoc => [:rdoc] do - require 'rake/contrib/sshpublisher' - Rake::SshDirPublisher.new("rails@api.rubyonrails.org", "public_html/ar", "doc").upload -end diff --git a/activerecord/activerecord.gemspec b/activerecord/activerecord.gemspec index 5aea992801..67d521d56b 100644 --- a/activerecord/activerecord.gemspec +++ b/activerecord/activerecord.gemspec @@ -14,15 +14,15 @@ Gem::Specification.new do |s| s.homepage = 'http://www.rubyonrails.org' s.rubyforge_project = 'activerecord' - s.files = Dir['CHANGELOG', 'README', 'examples/**/*', 'lib/**/*'] + s.files = Dir['CHANGELOG', 'README.rdoc', 'examples/**/*', 'lib/**/*'] s.require_path = 'lib' s.has_rdoc = true - s.extra_rdoc_files = %w( README ) - s.rdoc_options.concat ['--main', 'README'] + s.extra_rdoc_files = %w( README.rdoc ) + s.rdoc_options.concat ['--main', 'README.rdoc'] s.add_dependency('activesupport', version) s.add_dependency('activemodel', version) s.add_dependency('arel', '~> 0.4.0') - s.add_dependency('tzinfo', '~> 0.3.16') + s.add_dependency('tzinfo', '~> 0.3.22') end diff --git a/activerecord/examples/performance.rb b/activerecord/examples/performance.rb index f7d358337c..a985cfcb66 100644 --- a/activerecord/examples/performance.rb +++ b/activerecord/examples/performance.rb @@ -58,7 +58,7 @@ end sqlfile = File.expand_path("../performance.sql", __FILE__) if File.exists?(sqlfile) - mysql_bin = %w[mysql mysql5].select { |bin| `which #{bin}`.length > 0 } + mysql_bin = %w[mysql mysql5].detect { |bin| `which #{bin}`.length > 0 } `#{mysql_bin} -u #{conn[:username]} #{"-p#{conn[:password]}" unless conn[:password].blank?} #{conn[:database]} < #{sqlfile}` else puts 'Generating data...' diff --git a/activerecord/install.rb b/activerecord/install.rb deleted file mode 100644 index c87398b1f4..0000000000 --- a/activerecord/install.rb +++ /dev/null @@ -1,30 +0,0 @@ -require 'rbconfig' -require 'find' -require 'ftools' - -include Config - -# this was adapted from rdoc's install.rb by ways of Log4r - -$sitedir = CONFIG["sitelibdir"] -unless $sitedir - version = CONFIG["MAJOR"] + "." + CONFIG["MINOR"] - $libdir = File.join(CONFIG["libdir"], "ruby", version) - $sitedir = $:.find {|x| x =~ /site_ruby/ } - if !$sitedir - $sitedir = File.join($libdir, "site_ruby") - elsif $sitedir !~ Regexp.quote(version) - $sitedir = File.join($sitedir, version) - end -end - -# the actual gruntwork -Dir.chdir("lib") - -Find.find("active_record", "active_record.rb") { |f| - if f[-3..-1] == ".rb" - File::install(f, File.join($sitedir, *f.split(/\//)), 0644, true) - else - File::makedirs(File.join($sitedir, *f.split(/\//))) - end -} diff --git a/activerecord/lib/active_record/aggregations.rb b/activerecord/lib/active_record/aggregations.rb index c45400d3d9..83a9ab46c5 100644 --- a/activerecord/lib/active_record/aggregations.rb +++ b/activerecord/lib/active_record/aggregations.rb @@ -9,11 +9,13 @@ module ActiveRecord end unless self.new_record? end - # Active Record implements aggregation through a macro-like class method called +composed_of+ for representing attributes - # as value objects. It expresses relationships like "Account [is] composed of Money [among other things]" or "Person [is] - # composed of [an] address". Each call to the macro adds a description of how the value objects are created from the - # attributes of the entity object (when the entity is initialized either as a new object or from finding an existing object) - # and how it can be turned back into attributes (when the entity is saved to the database). Example: + # Active Record implements aggregation through a macro-like class method called +composed_of+ + # for representing attributes as value objects. It expresses relationships like "Account [is] + # composed of Money [among other things]" or "Person [is] composed of [an] address". Each call + # to the macro adds a description of how the value objects are created from the attributes of + # the entity object (when the entity is initialized either as a new object or from finding an + # existing object) and how it can be turned back into attributes (when the entity is saved to + # the database). # # class Customer < ActiveRecord::Base # composed_of :balance, :class_name => "Money", :mapping => %w(balance amount) @@ -68,9 +70,10 @@ module ActiveRecord # end # end # - # Now it's possible to access attributes from the database through the value objects instead. If you choose to name the - # composition the same as the attribute's name, it will be the only way to access that attribute. That's the case with our - # +balance+ attribute. You interact with the value objects just like you would any other attribute, though: + # Now it's possible to access attributes from the database through the value objects instead. If + # you choose to name the composition the same as the attribute's name, it will be the only way to + # access that attribute. That's the case with our +balance+ attribute. You interact with the value + # objects just like you would any other attribute, though: # # customer.balance = Money.new(20) # sets the Money value object and the attribute # customer.balance # => Money value object @@ -79,8 +82,8 @@ module ActiveRecord # customer.balance == Money.new(20) # => true # customer.balance < Money.new(5) # => false # - # Value objects can also be composed of multiple attributes, such as the case of Address. The order of the mappings will - # determine the order of the parameters. Example: + # Value objects can also be composed of multiple attributes, such as the case of Address. The order + # of the mappings will determine the order of the parameters. # # customer.address_street = "Hyancintvej" # customer.address_city = "Copenhagen" @@ -91,38 +94,43 @@ module ActiveRecord # # == Writing value objects # - # Value objects are immutable and interchangeable objects that represent a given value, such as a Money object representing - # $5. Two Money objects both representing $5 should be equal (through methods such as <tt>==</tt> and <tt><=></tt> from Comparable if ranking - # makes sense). This is unlike entity objects where equality is determined by identity. An entity class such as Customer can - # easily have two different objects that both have an address on Hyancintvej. Entity identity is determined by object or - # relational unique identifiers (such as primary keys). Normal ActiveRecord::Base classes are entity objects. + # Value objects are immutable and interchangeable objects that represent a given value, such as + # a Money object representing $5. Two Money objects both representing $5 should be equal (through + # methods such as <tt>==</tt> and <tt><=></tt> from Comparable if ranking makes sense). This is + # unlike entity objects where equality is determined by identity. An entity class such as Customer can + # easily have two different objects that both have an address on Hyancintvej. Entity identity is + # determined by object or relational unique identifiers (such as primary keys). Normal + # ActiveRecord::Base classes are entity objects. # - # It's also important to treat the value objects as immutable. Don't allow the Money object to have its amount changed after - # creation. Create a new Money object with the new value instead. This is exemplified by the Money#exchange_to method that - # returns a new value object instead of changing its own values. Active Record won't persist value objects that have been - # changed through means other than the writer method. + # It's also important to treat the value objects as immutable. Don't allow the Money object to have + # its amount changed after creation. Create a new Money object with the new value instead. This + # is exemplified by the Money#exchange_to method that returns a new value object instead of changing + # its own values. Active Record won't persist value objects that have been changed through means + # other than the writer method. # - # The immutable requirement is enforced by Active Record by freezing any object assigned as a value object. Attempting to - # change it afterwards will result in a ActiveSupport::FrozenObjectError. + # The immutable requirement is enforced by Active Record by freezing any object assigned as a value + # object. Attempting to change it afterwards will result in a ActiveSupport::FrozenObjectError. # - # Read more about value objects on http://c2.com/cgi/wiki?ValueObject and on the dangers of not keeping value objects - # immutable on http://c2.com/cgi/wiki?ValueObjectsShouldBeImmutable + # Read more about value objects on http://c2.com/cgi/wiki?ValueObject and on the dangers of not + # keeping value objects immutable on http://c2.com/cgi/wiki?ValueObjectsShouldBeImmutable # # == Custom constructors and converters # - # By default value objects are initialized by calling the <tt>new</tt> constructor of the value class passing each of the - # mapped attributes, in the order specified by the <tt>:mapping</tt> option, as arguments. If the value class doesn't support - # this convention then +composed_of+ allows a custom constructor to be specified. + # By default value objects are initialized by calling the <tt>new</tt> constructor of the value + # class passing each of the mapped attributes, in the order specified by the <tt>:mapping</tt> + # option, as arguments. If the value class doesn't support this convention then +composed_of+ allows + # a custom constructor to be specified. # - # When a new value is assigned to the value object the default assumption is that the new value is an instance of the value - # class. Specifying a custom converter allows the new value to be automatically converted to an instance of value class if - # necessary. + # When a new value is assigned to the value object the default assumption is that the new value + # is an instance of the value class. Specifying a custom converter allows the new value to be automatically + # converted to an instance of value class if necessary. # - # For example, the NetworkResource model has +network_address+ and +cidr_range+ attributes that should be aggregated using the - # NetAddr::CIDR value class (http://netaddr.rubyforge.org). The constructor for the value class is called +create+ and it - # expects a CIDR address string as a parameter. New values can be assigned to the value object using either another - # NetAddr::CIDR object, a string or an array. The <tt>:constructor</tt> and <tt>:converter</tt> options can be used to - # meet these requirements: + # For example, the NetworkResource model has +network_address+ and +cidr_range+ attributes that + # should be aggregated using the NetAddr::CIDR value class (http://netaddr.rubyforge.org). The constructor + # for the value class is called +create+ and it expects a CIDR address string as a parameter. New + # values can be assigned to the value object using either another NetAddr::CIDR object, a string + # or an array. The <tt>:constructor</tt> and <tt>:converter</tt> options can be used to meet + # these requirements: # # class NetworkResource < ActiveRecord::Base # composed_of :cidr, @@ -149,9 +157,9 @@ module ActiveRecord # # == Finding records by a value object # - # Once a +composed_of+ relationship is specified for a model, records can be loaded from the database by specifying an instance - # of the value object in the conditions hash. The following example finds all customers with +balance_amount+ equal to 20 and - # +balance_currency+ equal to "USD": + # Once a +composed_of+ relationship is specified for a model, records can be loaded from the database + # by specifying an instance of the value object in the conditions hash. The following example + # finds all customers with +balance_amount+ equal to 20 and +balance_currency+ equal to "USD": # # Customer.find(:all, :conditions => {:balance => Money.new(20, "USD")}) # @@ -160,23 +168,28 @@ module ActiveRecord # <tt>composed_of :address</tt> adds <tt>address</tt> and <tt>address=(new_address)</tt> methods. # # Options are: - # * <tt>:class_name</tt> - Specifies the class name of the association. Use it only if that name can't be inferred - # from the part id. So <tt>composed_of :address</tt> will by default be linked to the Address class, but - # if the real class name is CompanyAddress, you'll have to specify it with this option. - # * <tt>:mapping</tt> - Specifies the mapping of entity attributes to attributes of the value object. Each mapping - # is represented as an array where the first item is the name of the entity attribute and the second item is the - # name the attribute in the value object. The order in which mappings are defined determine the order in which - # attributes are sent to the value class constructor. + # * <tt>:class_name</tt> - Specifies the class name of the association. Use it only if that name + # can't be inferred from the part id. So <tt>composed_of :address</tt> will by default be linked + # to the Address class, but if the real class name is CompanyAddress, you'll have to specify it + # with this option. + # * <tt>:mapping</tt> - Specifies the mapping of entity attributes to attributes of the value + # object. Each mapping is represented as an array where the first item is the name of the + # entity attribute and the second item is the name the attribute in the value object. The + # order in which mappings are defined determine the order in which attributes are sent to the + # value class constructor. # * <tt>:allow_nil</tt> - Specifies that the value object will not be instantiated when all mapped - # attributes are +nil+. Setting the value object to +nil+ has the effect of writing +nil+ to all mapped attributes. + # attributes are +nil+. Setting the value object to +nil+ has the effect of writing +nil+ to all + # mapped attributes. # This defaults to +false+. - # * <tt>:constructor</tt> - A symbol specifying the name of the constructor method or a Proc that is called to - # initialize the value object. The constructor is passed all of the mapped attributes, in the order that they - # are defined in the <tt>:mapping option</tt>, as arguments and uses them to instantiate a <tt>:class_name</tt> object. + # * <tt>:constructor</tt> - A symbol specifying the name of the constructor method or a Proc that + # is called to initialize the value object. The constructor is passed all of the mapped attributes, + # in the order that they are defined in the <tt>:mapping option</tt>, as arguments and uses them + # to instantiate a <tt>:class_name</tt> object. # The default is <tt>:new</tt>. - # * <tt>:converter</tt> - A symbol specifying the name of a class method of <tt>:class_name</tt> or a Proc that is - # called when a new value is assigned to the value object. The converter is passed the single value that is used - # in the assignment and is only called if the new value is not an instance of <tt>:class_name</tt>. + # * <tt>:converter</tt> - A symbol specifying the name of a class method of <tt>:class_name</tt> + # or a Proc that is called when a new value is assigned to the value object. The converter is + # passed the single value that is used in the assignment and is only called if the new value is + # not an instance of <tt>:class_name</tt>. # # Option examples: # composed_of :temperature, :mapping => %w(reading celsius) diff --git a/activerecord/lib/active_record/association_preload.rb b/activerecord/lib/active_record/association_preload.rb index cbec5789fd..0f0fdc2e21 100644 --- a/activerecord/lib/active_record/association_preload.rb +++ b/activerecord/lib/active_record/association_preload.rb @@ -9,8 +9,8 @@ module ActiveRecord # Implements the details of eager loading of Active Record associations. # Application developers should not use this module directly. # - # ActiveRecord::Base is extended with this module. The source code in - # ActiveRecord::Base references methods defined in this module. + # <tt>ActiveRecord::Base</tt> is extended with this module. The source code in + # <tt>ActiveRecord::Base</tt> references methods defined in this module. # # Note that 'eager loading' and 'preloading' are actually the same thing. # However, there are two different eager loading strategies. @@ -55,7 +55,7 @@ module ActiveRecord # == Parameters # +records+ is an array of ActiveRecord::Base. This array needs not be flat, # i.e. +records+ itself may also contain arrays of records. In any case, - # +preload_associations+ will preload the associations all records by + # +preload_associations+ will preload the all associations records by # flattening +records+. # # +associations+ specifies one or more associations that you want to @@ -110,15 +110,15 @@ module ActiveRecord def preload_one_association(records, association, preload_options={}) class_to_reflection = {} # Not all records have the same class, so group then preload - # group on the reflection itself so that if various subclass share the same association then we do not split them - # unnecessarily - records.group_by {|record| class_to_reflection[record.class] ||= record.class.reflections[association]}.each do |reflection, records| + # group on the reflection itself so that if various subclass share the same association then + # we do not split them unnecessarily + records.group_by { |record| class_to_reflection[record.class] ||= record.class.reflections[association]}.each do |reflection, _records| raise ConfigurationError, "Association named '#{ association }' was not found; perhaps you misspelled it?" unless reflection # 'reflection.macro' can return 'belongs_to', 'has_many', etc. Thus, # the following could call 'preload_belongs_to_association', # 'preload_has_many_association', etc. - send("preload_#{reflection.macro}_association", records, reflection, preload_options) + send("preload_#{reflection.macro}_association", _records, reflection, preload_options) end end @@ -149,7 +149,8 @@ module ActiveRecord seen_keys = {} associated_records.each do |associated_record| #this is a has_one or belongs_to: there should only be one record. - #Unfortunately we can't (in portable way) ask the database for 'all records where foo_id in (x,y,z), but please + #Unfortunately we can't (in portable way) ask the database for + #'all records where foo_id in (x,y,z), but please # only one row per distinct foo_id' so this where we enforce that next if seen_keys[associated_record[key].to_s] seen_keys[associated_record[key].to_s] = true @@ -304,7 +305,8 @@ module ActiveRecord polymorph_type = options[:foreign_type] klasses_and_ids = {} - # Construct a mapping from klass to a list of ids to load and a mapping of those ids back to their parent_records + # Construct a mapping from klass to a list of ids to load and a mapping of those ids back + # to their parent_records records.each do |record| if klass = record.send(polymorph_type) klass_id = record.send(primary_key_name) @@ -378,7 +380,7 @@ module ActiveRecord :order => preload_options[:order] || options[:order] } - reflection.klass.unscoped.apply_finder_options(find_options).to_a + reflection.klass.scoped.apply_finder_options(find_options).to_a end diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 65daa8ffbe..73c0900c8b 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -3,6 +3,7 @@ require 'active_support/core_ext/enumerable' require 'active_support/core_ext/module/delegation' require 'active_support/core_ext/object/blank' require 'active_support/core_ext/string/conversions' +require 'active_support/core_ext/module/remove_method' module ActiveRecord class InverseOfAssociationNotFoundError < ActiveRecordError #:nodoc: @@ -113,7 +114,7 @@ module ActiveRecord autoload :HasOneAssociation, 'active_record/associations/has_one_association' autoload :HasOneThroughAssociation, 'active_record/associations/has_one_through_association' - # Clears out the association cache + # Clears out the association cache. def clear_association_cache #:nodoc: self.class.reflect_on_all_associations.to_a.each do |assoc| instance_variable_set "@#{assoc.name}", nil @@ -121,7 +122,7 @@ module ActiveRecord end private - # Gets the specified association instance if it responds to :loaded?, nil otherwise. + # Returns the specified association instance if it responds to :loaded?, nil otherwise. def association_instance_get(name) ivar = "@#{name}" if instance_variable_defined?(ivar) @@ -135,10 +136,12 @@ module ActiveRecord instance_variable_set("@#{name}", association) end - # Associations are a set of macro-like class methods for tying objects together through foreign keys. They express relationships like - # "Project has one Project Manager" or "Project belongs to a Portfolio". Each macro adds a number of methods to the class which are - # specialized according to the collection or association symbol and the options hash. It works much the same way as Ruby's own <tt>attr*</tt> - # methods. Example: + # Associations are a set of macro-like class methods for tying objects together through + # foreign keys. They express relationships like "Project has one Project Manager" + # or "Project belongs to a Portfolio". Each macro adds a number of methods to the + # class which are specialized according to the collection or association symbol and the + # options hash. It works much the same way as Ruby's own <tt>attr*</tt> + # methods. # # class Project < ActiveRecord::Base # belongs_to :portfolio @@ -147,7 +150,8 @@ module ActiveRecord # has_and_belongs_to_many :categories # end # - # The project class now has the following methods (and more) to ease the traversal and manipulation of its relationships: + # The project class now has the following methods (and more) to ease the traversal and + # manipulation of its relationships: # * <tt>Project#portfolio, Project#portfolio=(portfolio), Project#portfolio.nil?</tt> # * <tt>Project#project_manager, Project#project_manager=(project_manager), Project#project_manager.nil?,</tt> # * <tt>Project#milestones.empty?, Project#milestones.size, Project#milestones, Project#milestones<<(milestone),</tt> @@ -158,8 +162,9 @@ module ActiveRecord # # === A word of warning # - # Don't create associations that have the same name as instance methods of ActiveRecord::Base. Since the association - # adds a method with that name to its model, it will override the inherited method and break things. + # Don't create associations that have the same name as instance methods of + # <tt>ActiveRecord::Base</tt>. Since the association adds a method with that name to + # its model, it will override the inherited method and break things. # For instance, +attributes+ and +connection+ would be bad choices for association names. # # == Auto-generated methods @@ -269,8 +274,8 @@ module ActiveRecord # # == Is it a +belongs_to+ or +has_one+ association? # - # Both express a 1-1 relationship. The difference is mostly where to place the foreign key, which goes on the table for the class - # declaring the +belongs_to+ relationship. Example: + # Both express a 1-1 relationship. The difference is mostly where to place the foreign + # key, which goes on the table for the class declaring the +belongs_to+ relationship. # # class User < ActiveRecord::Base # # I reference an account. @@ -299,36 +304,44 @@ module ActiveRecord # # == Unsaved objects and associations # - # You can manipulate objects and associations before they are saved to the database, but there is some special behavior you should be - # aware of, mostly involving the saving of associated objects. + # You can manipulate objects and associations before they are saved to the database, but + # there is some special behavior you should be aware of, mostly involving the saving of + # associated objects. # - # Unless you set the :autosave option on a <tt>has_one</tt>, <tt>belongs_to</tt>, + # You can set the :autosave option on a <tt>has_one</tt>, <tt>belongs_to</tt>, # <tt>has_many</tt>, or <tt>has_and_belongs_to_many</tt> association. Setting it # to +true+ will _always_ save the members, whereas setting it to +false+ will # _never_ save the members. # # === One-to-one associations # - # * Assigning an object to a +has_one+ association automatically saves that object and the object being replaced (if there is one), in - # order to update their primary keys - except if the parent object is unsaved (<tt>new_record? == true</tt>). - # * If either of these saves fail (due to one of the objects being invalid) the assignment statement returns +false+ and the assignment - # is cancelled. - # * If you wish to assign an object to a +has_one+ association without saving it, use the <tt>association.build</tt> method (documented below). - # * Assigning an object to a +belongs_to+ association does not save the object, since the foreign key field belongs on the parent. It - # does not save the parent either. + # * Assigning an object to a +has_one+ association automatically saves that object and + # the object being replaced (if there is one), in order to update their primary + # keys - except if the parent object is unsaved (<tt>new_record? == true</tt>). + # * If either of these saves fail (due to one of the objects being invalid) the assignment + # statement returns +false+ and the assignment is cancelled. + # * If you wish to assign an object to a +has_one+ association without saving it, + # use the <tt>association.build</tt> method (documented below). + # * Assigning an object to a +belongs_to+ association does not save the object, since + # the foreign key field belongs on the parent. It does not save the parent either. # # === Collections # - # * Adding an object to a collection (+has_many+ or +has_and_belongs_to_many+) automatically saves that object, except if the parent object - # (the owner of the collection) is not yet stored in the database. - # * If saving any of the objects being added to a collection (via <tt>push</tt> or similar) fails, then <tt>push</tt> returns +false+. - # * You can add an object to a collection without automatically saving it by using the <tt>collection.build</tt> method (documented below). - # * All unsaved (<tt>new_record? == true</tt>) members of the collection are automatically saved when the parent is saved. + # * Adding an object to a collection (+has_many+ or +has_and_belongs_to_many+) automatically + # saves that object, except if the parent object (the owner of the collection) is not yet + # stored in the database. + # * If saving any of the objects being added to a collection (via <tt>push</tt> or similar) + # fails, then <tt>push</tt> returns +false+. + # * You can add an object to a collection without automatically saving it by using the + # <tt>collection.build</tt> method (documented below). + # * All unsaved (<tt>new_record? == true</tt>) members of the collection are automatically + # saved when the parent is saved. # # === Association callbacks # - # Similar to the normal callbacks that hook into the lifecycle of an Active Record object, you can also define callbacks that get - # triggered when you add an object to or remove an object from an association collection. Example: + # Similar to the normal callbacks that hook into the lifecycle of an Active Record object, + # you can also define callbacks that get triggered when you add an object to or remove an + # object from an association collection. # # class Project # has_and_belongs_to_many :developers, :after_add => :evaluate_velocity @@ -341,19 +354,21 @@ module ActiveRecord # It's possible to stack callbacks by passing them as an array. Example: # # class Project - # has_and_belongs_to_many :developers, :after_add => [:evaluate_velocity, Proc.new { |p, d| p.shipping_date = Time.now}] + # has_and_belongs_to_many :developers, + # :after_add => [:evaluate_velocity, Proc.new { |p, d| p.shipping_date = Time.now}] # end # # Possible callbacks are: +before_add+, +after_add+, +before_remove+ and +after_remove+. # - # Should any of the +before_add+ callbacks throw an exception, the object does not get added to the collection. Same with - # the +before_remove+ callbacks; if an exception is thrown the object doesn't get removed. + # Should any of the +before_add+ callbacks throw an exception, the object does not get + # added to the collection. Same with the +before_remove+ callbacks; if an exception is + # thrown the object doesn't get removed. # # === Association extensions # - # The proxy objects that control the access to associations can be extended through anonymous modules. This is especially - # beneficial for adding new finders, creators, and other factory-type methods that are only used as part of this association. - # Example: + # The proxy objects that control the access to associations can be extended through anonymous + # modules. This is especially beneficial for adding new finders, creators, and other + # factory-type methods that are only used as part of this association. # # class Account < ActiveRecord::Base # has_many :people do @@ -368,7 +383,8 @@ module ActiveRecord # person.first_name # => "David" # person.last_name # => "Heinemeier Hansson" # - # If you need to share the same extensions between many associations, you can use a named extension module. Example: + # If you need to share the same extensions between many associations, you can use a named + # extension module. # # module FindOrCreateByNameExtension # def find_or_create_by_name(name) @@ -385,9 +401,10 @@ module ActiveRecord # has_many :people, :extend => FindOrCreateByNameExtension # end # - # If you need to use multiple named extension modules, you can specify an array of modules with the <tt>:extend</tt> option. - # In the case of name conflicts between methods in the modules, methods in modules later in the array supercede - # those earlier in the array. Example: + # If you need to use multiple named extension modules, you can specify an array of modules + # with the <tt>:extend</tt> option. + # In the case of name conflicts between methods in the modules, methods in modules later + # in the array supercede those earlier in the array. # # class Account < ActiveRecord::Base # has_many :people, :extend => [FindOrCreateByNameExtension, FindRecentExtension] @@ -398,12 +415,14 @@ module ActiveRecord # # * +proxy_owner+ - Returns the object the association is part of. # * +proxy_reflection+ - Returns the reflection object that describes the association. - # * +proxy_target+ - Returns the associated object for +belongs_to+ and +has_one+, or the collection of associated objects for +has_many+ and +has_and_belongs_to_many+. + # * +proxy_target+ - Returns the associated object for +belongs_to+ and +has_one+, or + # the collection of associated objects for +has_many+ and +has_and_belongs_to_many+. # # === Association Join Models # - # Has Many associations can be configured with the <tt>:through</tt> option to use an explicit join model to retrieve the data. This - # operates similarly to a +has_and_belongs_to_many+ association. The advantage is that you're able to add validations, + # Has Many associations can be configured with the <tt>:through</tt> option to use an + # explicit join model to retrieve the data. This operates similarly to a + # +has_and_belongs_to_many+ association. The advantage is that you're able to add validations, # callbacks, and extra attributes on the join model. Consider the following schema: # # class Author < ActiveRecord::Base @@ -417,7 +436,7 @@ module ActiveRecord # end # # @author = Author.find :first - # @author.authorships.collect { |a| a.book } # selects all books that the author's authorships belong to. + # @author.authorships.collect { |a| a.book } # selects all books that the author's authorships belong to # @author.books # selects all books by using the Authorship join model # # You can also go through a +has_many+ association on the join model: @@ -438,7 +457,7 @@ module ActiveRecord # # @firm = Firm.find :first # @firm.clients.collect { |c| c.invoices }.flatten # select all invoices for all clients of the firm - # @firm.invoices # selects all invoices by going through the Client join model. + # @firm.invoices # selects all invoices by going through the Client join model # # Similarly you can go through a +has_one+ association on the join model: # @@ -460,16 +479,18 @@ module ActiveRecord # @group.users.collect { |u| u.avatar }.flatten # select all avatars for all users in the group # @group.avatars # selects all avatars by going through the User join model. # - # An important caveat with going through +has_one+ or +has_many+ associations on the join model is that these associations are - # *read-only*. For example, the following would not work following the previous example: + # An important caveat with going through +has_one+ or +has_many+ associations on the + # join model is that these associations are *read-only*. For example, the following + # would not work following the previous example: # - # @group.avatars << Avatar.new # this would work if User belonged_to Avatar rather than the other way around. + # @group.avatars << Avatar.new # this would work if User belonged_to Avatar rather than the other way around # @group.avatars.delete(@group.avatars.last) # so would this # # === Polymorphic Associations # - # Polymorphic associations on models are not restricted on what types of models they can be associated with. Rather, they - # specify an interface that a +has_many+ association must adhere to. + # Polymorphic associations on models are not restricted on what types of models they + # can be associated with. Rather, they specify an interface that a +has_many+ association + # must adhere to. # # class Asset < ActiveRecord::Base # belongs_to :attachable, :polymorphic => true @@ -481,13 +502,16 @@ module ActiveRecord # # @asset.attachable = @post # - # This works by using a type column in addition to a foreign key to specify the associated record. In the Asset example, you'd need - # an +attachable_id+ integer column and an +attachable_type+ string column. + # This works by using a type column in addition to a foreign key to specify the associated + # record. In the Asset example, you'd need an +attachable_id+ integer column and an + # +attachable_type+ string column. # - # Using polymorphic associations in combination with single table inheritance (STI) is a little tricky. In order - # for the associations to work as expected, ensure that you store the base model for the STI models in the - # type column of the polymorphic association. To continue with the asset example above, suppose there are guest posts - # and member posts that use the posts table for STI. In this case, there must be a +type+ column in the posts table. + # Using polymorphic associations in combination with single table inheritance (STI) is + # a little tricky. In order for the associations to work as expected, ensure that you + # store the base model for the STI models in the type column of the polymorphic + # association. To continue with the asset example above, suppose there are guest posts + # and member posts that use the posts table for STI. In this case, there must be a +type+ + # column in the posts table. # # class Asset < ActiveRecord::Base # belongs_to :attachable, :polymorphic => true @@ -510,9 +534,10 @@ module ActiveRecord # # == Caching # - # All of the methods are built on a simple caching principle that will keep the result of the last query around unless specifically - # instructed not to. The cache is even shared across methods to make it even cheaper to use the macro-added methods without - # worrying too much about performance at the first go. Example: + # All of the methods are built on a simple caching principle that will keep the result + # of the last query around unless specifically instructed not to. The cache is even + # shared across methods to make it even cheaper to use the macro-added methods without + # worrying too much about performance at the first go. # # project.milestones # fetches milestones from the database # project.milestones.size # uses the milestone cache @@ -522,9 +547,10 @@ module ActiveRecord # # == Eager loading of associations # - # Eager loading is a way to find objects of a certain class and a number of named associations. This is - # one of the easiest ways of to prevent the dreaded 1+N problem in which fetching 100 posts that each need to display their author - # triggers 101 database queries. Through the use of eager loading, the 101 queries can be reduced to 2. Example: + # Eager loading is a way to find objects of a certain class and a number of named associations. + # This is one of the easiest ways of to prevent the dreaded 1+N problem in which fetching 100 + # posts that each need to display their author triggers 101 database queries. Through the + # use of eager loading, the 101 queries can be reduced to 2. # # class Post < ActiveRecord::Base # belongs_to :author @@ -539,44 +565,55 @@ module ActiveRecord # puts "Last comment on: " + post.comments.first.created_on # end # - # To iterate over these one hundred posts, we'll generate 201 database queries. Let's first just optimize it for retrieving the author: + # To iterate over these one hundred posts, we'll generate 201 database queries. Let's + # first just optimize it for retrieving the author: # # for post in Post.find(:all, :include => :author) # - # This references the name of the +belongs_to+ association that also used the <tt>:author</tt> symbol. After loading the posts, find - # will collect the +author_id+ from each one and load all the referenced authors with one query. Doing so will cut down the number of queries from 201 to 102. + # This references the name of the +belongs_to+ association that also used the <tt>:author</tt> + # symbol. After loading the posts, find will collect the +author_id+ from each one and load + # all the referenced authors with one query. Doing so will cut down the number of queries + # from 201 to 102. # # We can improve upon the situation further by referencing both associations in the finder with: # # for post in Post.find(:all, :include => [ :author, :comments ]) # - # This will load all comments with a single query. This reduces the total number of queries to 3. More generally the number of queries - # will be 1 plus the number of associations named (except if some of the associations are polymorphic +belongs_to+ - see below). + # This will load all comments with a single query. This reduces the total number of queries + # to 3. More generally the number of queries will be 1 plus the number of associations + # named (except if some of the associations are polymorphic +belongs_to+ - see below). # # To include a deep hierarchy of associations, use a hash: # # for post in Post.find(:all, :include => [ :author, { :comments => { :author => :gravatar } } ]) # - # That'll grab not only all the comments but all their authors and gravatar pictures. You can mix and match - # symbols, arrays and hashes in any combination to describe the associations you want to load. + # That'll grab not only all the comments but all their authors and gravatar pictures. + # You can mix and match symbols, arrays and hashes in any combination to describe the + # associations you want to load. # - # All of this power shouldn't fool you into thinking that you can pull out huge amounts of data with no performance penalty just because you've reduced - # the number of queries. The database still needs to send all the data to Active Record and it still needs to be processed. So it's no - # catch-all for performance problems, but it's a great way to cut down on the number of queries in a situation as the one described above. + # All of this power shouldn't fool you into thinking that you can pull out huge amounts + # of data with no performance penalty just because you've reduced the number of queries. + # The database still needs to send all the data to Active Record and it still needs to + # be processed. So it's no catch-all for performance problems, but it's a great way to + # cut down on the number of queries in a situation as the one described above. # - # Since only one table is loaded at a time, conditions or orders cannot reference tables other than the main one. If this is the case - # Active Record falls back to the previously used LEFT OUTER JOIN based strategy. For example + # Since only one table is loaded at a time, conditions or orders cannot reference tables + # other than the main one. If this is the case Active Record falls back to the previously + # used LEFT OUTER JOIN based strategy. For example # # Post.find(:all, :include => [ :author, :comments ], :conditions => ['comments.approved = ?', true]) # - # This will result in a single SQL query with joins along the lines of: <tt>LEFT OUTER JOIN comments ON comments.post_id = posts.id</tt> and - # <tt>LEFT OUTER JOIN authors ON authors.id = posts.author_id</tt>. Note that using conditions like this can have unintended consequences. - # In the above example posts with no approved comments are not returned at all, because the conditions apply to the SQL statement as a whole - # and not just to the association. You must disambiguate column references for this fallback to happen, for example + # This will result in a single SQL query with joins along the lines of: + # <tt>LEFT OUTER JOIN comments ON comments.post_id = posts.id</tt> and + # <tt>LEFT OUTER JOIN authors ON authors.id = posts.author_id</tt>. Note that using conditions + # like this can have unintended consequences. + # In the above example posts with no approved comments are not returned at all, because + # the conditions apply to the SQL statement as a whole and not just to the association. + # You must disambiguate column references for this fallback to happen, for example # <tt>:order => "author.name DESC"</tt> will work but <tt>:order => "name DESC"</tt> will not. # - # If you do want eager load only some members of an association it is usually more natural to <tt>:include</tt> an association - # which has conditions defined on it: + # If you do want eager load only some members of an association it is usually more natural + # to <tt>:include</tt> an association which has conditions defined on it: # # class Post < ActiveRecord::Base # has_many :approved_comments, :class_name => 'Comment', :conditions => ['approved = ?', true] @@ -584,9 +621,11 @@ module ActiveRecord # # Post.find(:all, :include => :approved_comments) # - # This will load posts and eager load the +approved_comments+ association, which contains only those comments that have been approved. + # This will load posts and eager load the +approved_comments+ association, which contains + # only those comments that have been approved. # - # If you eager load an association with a specified <tt>:limit</tt> option, it will be ignored, returning all the associated objects: + # If you eager load an association with a specified <tt>:limit</tt> option, it will be ignored, + # returning all the associated objects: # # class Picture < ActiveRecord::Base # has_many :most_recent_comments, :class_name => 'Comment', :order => 'id DESC', :limit => 10 @@ -594,8 +633,8 @@ module ActiveRecord # # Picture.find(:first, :include => :most_recent_comments).most_recent_comments # => returns all associated comments. # - # When eager loaded, conditions are interpolated in the context of the model class, not the model instance. Conditions are lazily interpolated - # before the actual model exists. + # When eager loaded, conditions are interpolated in the context of the model class, not + # the model instance. Conditions are lazily interpolated before the actual model exists. # # Eager loading is supported with polymorphic associations. # @@ -607,17 +646,21 @@ module ActiveRecord # # Address.find(:all, :include => :addressable) # - # This will execute one query to load the addresses and load the addressables with one query per addressable type. - # For example if all the addressables are either of class Person or Company then a total of 3 queries will be executed. The list of - # addressable types to load is determined on the back of the addresses loaded. This is not supported if Active Record has to fallback - # to the previous implementation of eager loading and will raise ActiveRecord::EagerLoadPolymorphicError. The reason is that the parent - # model's type is a column value so its corresponding table name cannot be put in the +FROM+/+JOIN+ clauses of that query. + # This will execute one query to load the addresses and load the addressables with one + # query per addressable type. + # For example if all the addressables are either of class Person or Company then a total + # of 3 queries will be executed. The list of addressable types to load is determined on + # the back of the addresses loaded. This is not supported if Active Record has to fallback + # to the previous implementation of eager loading and will raise ActiveRecord::EagerLoadPolymorphicError. + # The reason is that the parent model's type is a column value so its corresponding table + # name cannot be put in the +FROM+/+JOIN+ clauses of that query. # # == Table Aliasing # - # Active Record uses table aliasing in the case that a table is referenced multiple times in a join. If a table is referenced only once, - # the standard table name is used. The second time, the table is aliased as <tt>#{reflection_name}_#{parent_table_name}</tt>. Indexes are appended - # for any more successive uses of the table name. + # Active Record uses table aliasing in the case that a table is referenced multiple times + # in a join. If a table is referenced only once, the standard table name is used. The + # second time, the table is aliased as <tt>#{reflection_name}_#{parent_table_name}</tt>. + # Indexes are appended for any more successive uses of the table name. # # Post.find :all, :joins => :comments # # => SELECT ... FROM posts INNER JOIN comments ON ... @@ -650,7 +693,8 @@ module ActiveRecord # INNER JOIN categories_posts posts_categories_join INNER JOIN posts posts_categories # INNER JOIN categories_posts categories_posts_join INNER JOIN categories categories_posts_2 # - # If you wish to specify your own custom joins using a <tt>:joins</tt> option, those table names will take precedence over the eager associations: + # If you wish to specify your own custom joins using a <tt>:joins</tt> option, those table + # names will take precedence over the eager associations: # # Post.find :all, :joins => :comments, :joins => "inner join comments ..." # # => SELECT ... FROM posts INNER JOIN comments_posts ON ... INNER JOIN comments ... @@ -659,7 +703,8 @@ module ActiveRecord # INNER JOIN comments special_comments_posts ... # INNER JOIN comments ... # - # Table aliases are automatically truncated according to the maximum length of table identifiers according to the specific database. + # Table aliases are automatically truncated according to the maximum length of table identifiers + # according to the specific database. # # == Modules # @@ -675,9 +720,10 @@ module ActiveRecord # end # end # - # When <tt>Firm#clients</tt> is called, it will in turn call <tt>MyApplication::Business::Client.find_all_by_firm_id(firm.id)</tt>. - # If you want to associate with a class in another module scope, this can be done by specifying the complete class name. - # Example: + # When <tt>Firm#clients</tt> is called, it will in turn call + # <tt>MyApplication::Business::Client.find_all_by_firm_id(firm.id)</tt>. + # If you want to associate with a class in another module scope, this can be done by + # specifying the complete class name. # # module MyApplication # module Business @@ -693,8 +739,8 @@ module ActiveRecord # # == Bi-directional associations # - # When you specify an association there is usually an association on the associated model that specifies the same - # relationship in reverse. For example, with the following models: + # When you specify an association there is usually an association on the associated model + # that specifies the same relationship in reverse. For example, with the following models: # # class Dungeon < ActiveRecord::Base # has_many :traps @@ -709,9 +755,11 @@ module ActiveRecord # belongs_to :dungeon # end # - # The +traps+ association on +Dungeon+ and the the +dungeon+ association on +Trap+ are the inverse of each other and the - # inverse of the +dungeon+ association on +EvilWizard+ is the +evil_wizard+ association on +Dungeon+ (and vice-versa). By default, - # Active Record doesn't know anything about these inverse relationships and so no object loading optimisation is possible. For example: + # The +traps+ association on +Dungeon+ and the the +dungeon+ association on +Trap+ are + # the inverse of each other and the inverse of the +dungeon+ association on +EvilWizard+ + # is the +evil_wizard+ association on +Dungeon+ (and vice-versa). By default, + # Active Record doesn't know anything about these inverse relationships and so no object + # loading optimisation is possible. For example: # # d = Dungeon.first # t = d.traps.first @@ -719,9 +767,11 @@ module ActiveRecord # d.level = 10 # d.level == t.dungeon.level # => false # - # The +Dungeon+ instances +d+ and <tt>t.dungeon</tt> in the above example refer to the same object data from the database, but are - # actually different in-memory copies of that data. Specifying the <tt>:inverse_of</tt> option on associations lets you tell - # Active Record about inverse relationships and it will optimise object loading. For example, if we changed our model definitions to: + # The +Dungeon+ instances +d+ and <tt>t.dungeon</tt> in the above example refer to + # the same object data from the database, but are actually different in-memory copies + # of that data. Specifying the <tt>:inverse_of</tt> option on associations lets you tell + # Active Record about inverse relationships and it will optimise object loading. For + # example, if we changed our model definitions to: # # class Dungeon < ActiveRecord::Base # has_many :traps, :inverse_of => :dungeon @@ -736,8 +786,8 @@ module ActiveRecord # belongs_to :dungeon, :inverse_of => :evil_wizard # end # - # Then, from our code snippet above, +d+ and <tt>t.dungeon</tt> are actually the same in-memory instance and our final <tt>d.level == t.dungeon.level</tt> - # will return +true+. + # Then, from our code snippet above, +d+ and <tt>t.dungeon</tt> are actually the same + # in-memory instance and our final <tt>d.level == t.dungeon.level</tt> will return +true+. # # There are limitations to <tt>:inverse_of</tt> support: # @@ -747,13 +797,13 @@ module ActiveRecord # # == Type safety with <tt>ActiveRecord::AssociationTypeMismatch</tt> # - # If you attempt to assign an object to an association that doesn't match the inferred or specified <tt>:class_name</tt>, you'll - # get an <tt>ActiveRecord::AssociationTypeMismatch</tt>. + # If you attempt to assign an object to an association that doesn't match the inferred + # or specified <tt>:class_name</tt>, you'll get an <tt>ActiveRecord::AssociationTypeMismatch</tt>. # # == Options # - # All of the association macros can be specialized through options. This makes cases more complex than the simple and guessable ones - # possible. + # All of the association macros can be specialized through options. This makes cases + # more complex than the simple and guessable ones possible. module ClassMethods # Specifies a one-to-many association. The following methods for retrieval and query of # collections of associated objects will be added: @@ -827,20 +877,22 @@ module ActiveRecord # === Supported options # [:class_name] # Specify the class name of the association. Use it only if that name can't be inferred - # from the association name. So <tt>has_many :products</tt> will by default be linked to the Product class, but - # if the real class name is SpecialProduct, you'll have to specify it with this option. + # from the association name. So <tt>has_many :products</tt> will by default be linked + # to the Product class, but if the real class name is SpecialProduct, you'll have to + # specify it with this option. # [:conditions] # Specify the conditions that the associated objects must meet in order to be included as a +WHERE+ - # SQL fragment, such as <tt>price > 5 AND name LIKE 'B%'</tt>. Record creations from the association are scoped if a hash - # is used. <tt>has_many :posts, :conditions => {:published => true}</tt> will create published posts with <tt>@blog.posts.create</tt> - # or <tt>@blog.posts.build</tt>. + # SQL fragment, such as <tt>price > 5 AND name LIKE 'B%'</tt>. Record creations from + # the association are scoped if a hash is used. + # <tt>has_many :posts, :conditions => {:published => true}</tt> will create published + # posts with <tt>@blog.posts.create</tt> or <tt>@blog.posts.build</tt>. # [:order] # Specify the order in which the associated objects are returned as an <tt>ORDER BY</tt> SQL fragment, # such as <tt>last_name, first_name DESC</tt>. # [:foreign_key] # Specify the foreign key used for the association. By default this is guessed to be the name - # of this class in lower-case and "_id" suffixed. So a Person class that makes a +has_many+ association will use "person_id" - # as the default <tt>:foreign_key</tt>. + # of this class in lower-case and "_id" suffixed. So a Person class that makes a +has_many+ + # association will use "person_id" as the default <tt>:foreign_key</tt>. # [:primary_key] # Specify the method that returns the primary key used for the association. By default this is +id+. # [:dependent] @@ -854,10 +906,12 @@ module ActiveRecord # # [:finder_sql] # Specify a complete SQL statement to fetch the association. This is a good way to go for complex - # associations that depend on multiple tables. Note: When this option is used, +find_in_collection+ is _not_ added. + # associations that depend on multiple tables. Note: When this option is used, +find_in_collection+ + # is _not_ added. # [:counter_sql] # Specify a complete SQL statement to fetch the size of the association. If <tt>:finder_sql</tt> is - # specified but not <tt>:counter_sql</tt>, <tt>:counter_sql</tt> will be generated by replacing <tt>SELECT ... FROM</tt> with <tt>SELECT COUNT(*) FROM</tt>. + # specified but not <tt>:counter_sql</tt>, <tt>:counter_sql</tt> will be generated by + # replacing <tt>SELECT ... FROM</tt> with <tt>SELECT COUNT(*) FROM</tt>. # [:extend] # Specify a named module for extending the proxy. See "Association extensions". # [:include] @@ -865,25 +919,31 @@ module ActiveRecord # [:group] # An attribute name by which the result should be grouped. Uses the <tt>GROUP BY</tt> SQL-clause. # [:having] - # Combined with +:group+ this can be used to filter the records that a <tt>GROUP BY</tt> returns. Uses the <tt>HAVING</tt> SQL-clause. + # Combined with +:group+ this can be used to filter the records that a <tt>GROUP BY</tt> + # returns. Uses the <tt>HAVING</tt> SQL-clause. # [:limit] # An integer determining the limit on the number of rows that should be returned. # [:offset] - # An integer determining the offset from where the rows should be fetched. So at 5, it would skip the first 4 rows. + # An integer determining the offset from where the rows should be fetched. So at 5, + # it would skip the first 4 rows. # [:select] - # By default, this is <tt>*</tt> as in <tt>SELECT * FROM</tt>, but can be changed if you, for example, want to do a join - # but not include the joined columns. Do not forget to include the primary and foreign keys, otherwise it will raise an error. + # By default, this is <tt>*</tt> as in <tt>SELECT * FROM</tt>, but can be changed if + # you, for example, want to do a join but not include the joined columns. Do not forget + # to include the primary and foreign keys, otherwise it will raise an error. # [:as] # Specifies a polymorphic interface (See <tt>belongs_to</tt>). # [:through] - # Specifies a join model through which to perform the query. Options for <tt>:class_name</tt> and <tt>:foreign_key</tt> - # are ignored, as the association uses the source reflection. You can only use a <tt>:through</tt> query through a <tt>belongs_to</tt> - # <tt>has_one</tt> or <tt>has_many</tt> association on the join model. The collection of join models can be managed via the collection - # API. For example, new join models are created for newly associated objects, and if some are gone their rows are deleted (directly, + # Specifies a join model through which to perform the query. Options for <tt>:class_name</tt> + # and <tt>:foreign_key</tt> are ignored, as the association uses the source reflection. You + # can only use a <tt>:through</tt> query through a <tt>belongs_to</tt>, <tt>has_one</tt> + # or <tt>has_many</tt> association on the join model. The collection of join models + # can be managed via the collection API. For example, new join models are created for + # newly associated objects, and if some are gone their rows are deleted (directly, # no destroy callbacks are triggered). # [:source] - # Specifies the source association name used by <tt>has_many :through</tt> queries. Only use it if the name cannot be - # inferred from the association. <tt>has_many :subscribers, :through => :subscriptions</tt> will look for either <tt>:subscribers</tt> or + # Specifies the source association name used by <tt>has_many :through</tt> queries. + # Only use it if the name cannot be inferred from the association. + # <tt>has_many :subscribers, :through => :subscriptions</tt> will look for either <tt>:subscribers</tt> or # <tt>:subscriber</tt> on Subscription, unless a <tt>:source</tt> is given. # [:source_type] # Specifies type of the source association used by <tt>has_many :through</tt> queries where the source @@ -895,12 +955,14 @@ module ActiveRecord # [:validate] # If false, don't validate the associated objects when saving the parent object. true by default. # [:autosave] - # If true, always save the associated objects or destroy them if marked for destruction, when saving the parent object. + # If true, always save the associated objects or destroy them if marked for destruction, + # when saving the parent object. # If false, never save or destroy the associated objects. # By default, only save associated objects that are new records. # [:inverse_of] - # Specifies the name of the <tt>belongs_to</tt> association on the associated object that is the inverse of this <tt>has_many</tt> - # association. Does not work in combination with <tt>:through</tt> or <tt>:as</tt> options. + # Specifies the name of the <tt>belongs_to</tt> association on the associated object + # that is the inverse of this <tt>has_many</tt> association. Does not work in combination + # with <tt>:through</tt> or <tt>:as</tt> options. # See ActiveRecord::Associations::ClassMethods's overview on Bi-directional associations for more detail. # # Option examples: @@ -974,19 +1036,20 @@ module ActiveRecord # [:conditions] # Specify the conditions that the associated object must meet in order to be included as a +WHERE+ # SQL fragment, such as <tt>rank = 5</tt>. Record creation from the association is scoped if a hash - # is used. <tt>has_one :account, :conditions => {:enabled => true}</tt> will create an enabled account with <tt>@company.create_account</tt> - # or <tt>@company.build_account</tt>. + # is used. <tt>has_one :account, :conditions => {:enabled => true}</tt> will create + # an enabled account with <tt>@company.create_account</tt> or <tt>@company.build_account</tt>. # [:order] # Specify the order in which the associated objects are returned as an <tt>ORDER BY</tt> SQL fragment, # such as <tt>last_name, first_name DESC</tt>. # [:dependent] # If set to <tt>:destroy</tt>, the associated object is destroyed when this object is. If set to - # <tt>:delete</tt>, the associated object is deleted *without* calling its destroy method. If set to <tt>:nullify</tt>, the associated - # object's foreign key is set to +NULL+. Also, association is assigned. + # <tt>:delete</tt>, the associated object is deleted *without* calling its destroy method. + # If set to <tt>:nullify</tt>, the associated object's foreign key is set to +NULL+. + # Also, association is assigned. # [:foreign_key] # Specify the foreign key used for the association. By default this is guessed to be the name - # of this class in lower-case and "_id" suffixed. So a Person class that makes a +has_one+ association will use "person_id" - # as the default <tt>:foreign_key</tt>. + # of this class in lower-case and "_id" suffixed. So a Person class that makes a +has_one+ association + # will use "person_id" as the default <tt>:foreign_key</tt>. # [:primary_key] # Specify the method that returns the primary key used for the association. By default this is +id+. # [:include] @@ -994,15 +1057,18 @@ module ActiveRecord # [:as] # Specifies a polymorphic interface (See <tt>belongs_to</tt>). # [:select] - # By default, this is <tt>*</tt> as in <tt>SELECT * FROM</tt>, but can be changed if, for example, you want to do a join - # but not include the joined columns. Do not forget to include the primary and foreign keys, otherwise it will raise an error. + # By default, this is <tt>*</tt> as in <tt>SELECT * FROM</tt>, but can be changed if, for example, + # you want to do a join but not include the joined columns. Do not forget to include the + # primary and foreign keys, otherwise it will raise an error. # [:through] - # Specifies a Join Model through which to perform the query. Options for <tt>:class_name</tt> and <tt>:foreign_key</tt> - # are ignored, as the association uses the source reflection. You can only use a <tt>:through</tt> query through a - # <tt>has_one</tt> or <tt>belongs_to</tt> association on the join model. + # Specifies a Join Model through which to perform the query. Options for <tt>:class_name</tt> + # and <tt>:foreign_key</tt> are ignored, as the association uses the source reflection. You + # can only use a <tt>:through</tt> query through a <tt>has_one</tt> or <tt>belongs_to</tt> + # association on the join model. # [:source] - # Specifies the source association name used by <tt>has_one :through</tt> queries. Only use it if the name cannot be - # inferred from the association. <tt>has_one :favorite, :through => :favorites</tt> will look for a + # Specifies the source association name used by <tt>has_one :through</tt> queries. + # Only use it if the name cannot be inferred from the association. + # <tt>has_one :favorite, :through => :favorites</tt> will look for a # <tt>:favorite</tt> on Favorite, unless a <tt>:source</tt> is given. # [:source_type] # Specifies type of the source association used by <tt>has_one :through</tt> queries where the source @@ -1012,17 +1078,19 @@ module ActiveRecord # [:validate] # If false, don't validate the associated object when saving the parent object. +false+ by default. # [:autosave] - # If true, always save the associated object or destroy it if marked for destruction, when saving the parent object. - # If false, never save or destroy the associated object. + # If true, always save the associated object or destroy it if marked for destruction, + # when saving the parent object. If false, never save or destroy the associated object. # By default, only save the associated object if it's a new record. # [:inverse_of] - # Specifies the name of the <tt>belongs_to</tt> association on the associated object that is the inverse of this <tt>has_one</tt> - # association. Does not work in combination with <tt>:through</tt> or <tt>:as</tt> options. + # Specifies the name of the <tt>belongs_to</tt> association on the associated object + # that is the inverse of this <tt>has_one</tt> association. Does not work in combination + # with <tt>:through</tt> or <tt>:as</tt> options. # See ActiveRecord::Associations::ClassMethods's overview on Bi-directional associations for more detail. # # Option examples: # has_one :credit_card, :dependent => :destroy # destroys the associated credit card - # has_one :credit_card, :dependent => :nullify # updates the associated records foreign key value to NULL rather than destroying it + # has_one :credit_card, :dependent => :nullify # updates the associated records foreign + # # key value to NULL rather than destroying it # has_one :last_comment, :class_name => "Comment", :order => "posted_on" # has_one :project_manager, :class_name => "Person", :conditions => "role = 'project_manager'" # has_one :attachment, :as => :attachable @@ -1084,27 +1152,34 @@ module ActiveRecord # Specify the conditions that the associated object must meet in order to be included as a +WHERE+ # SQL fragment, such as <tt>authorized = 1</tt>. # [:select] - # By default, this is <tt>*</tt> as in <tt>SELECT * FROM</tt>, but can be changed if, for example, you want to do a join - # but not include the joined columns. Do not forget to include the primary and foreign keys, otherwise it will raise an error. + # By default, this is <tt>*</tt> as in <tt>SELECT * FROM</tt>, but can be changed + # if, for example, you want to do a join but not include the joined columns. Do not + # forget to include the primary and foreign keys, otherwise it will raise an error. # [:foreign_key] # Specify the foreign key used for the association. By default this is guessed to be the name - # of the association with an "_id" suffix. So a class that defines a <tt>belongs_to :person</tt> association will use - # "person_id" as the default <tt>:foreign_key</tt>. Similarly, <tt>belongs_to :favorite_person, :class_name => "Person"</tt> - # will use a foreign key of "favorite_person_id". + # of the association with an "_id" suffix. So a class that defines a <tt>belongs_to :person</tt> + # association will use "person_id" as the default <tt>:foreign_key</tt>. Similarly, + # <tt>belongs_to :favorite_person, :class_name => "Person"</tt> will use a foreign key + # of "favorite_person_id". # [:primary_key] - # Specify the method that returns the primary key of associated object used for the association. By default this is id. + # Specify the method that returns the primary key of associated object used for the association. + # By default this is id. # [:dependent] # If set to <tt>:destroy</tt>, the associated object is destroyed when this object is. If set to - # <tt>:delete</tt>, the associated object is deleted *without* calling its destroy method. This option should not be specified when - # <tt>belongs_to</tt> is used in conjunction with a <tt>has_many</tt> relationship on another class because of the potential to leave + # <tt>:delete</tt>, the associated object is deleted *without* calling its destroy method. + # This option should not be specified when <tt>belongs_to</tt> is used in conjunction with + # a <tt>has_many</tt> relationship on another class because of the potential to leave # orphaned records behind. # [:counter_cache] # Caches the number of belonging objects on the associate class through the use of +increment_counter+ - # and +decrement_counter+. The counter cache is incremented when an object of this class is created and decremented when it's - # destroyed. This requires that a column named <tt>#{table_name}_count</tt> (such as +comments_count+ for a belonging Comment class) - # is used on the associate class (such as a Post class). You can also specify a custom counter cache column by providing - # a column name instead of a +true+/+false+ value to this option (e.g., <tt>:counter_cache => :my_custom_counter</tt>.) - # Note: Specifying a counter cache will add it to that model's list of readonly attributes using +attr_readonly+. + # and +decrement_counter+. The counter cache is incremented when an object of this + # class is created and decremented when it's destroyed. This requires that a column + # named <tt>#{table_name}_count</tt> (such as +comments_count+ for a belonging Comment class) + # is used on the associate class (such as a Post class). You can also specify a custom counter + # cache column by providing a column name instead of a +true+/+false+ value to this + # option (e.g., <tt>:counter_cache => :my_custom_counter</tt>.) + # Note: Specifying a counter cache will add it to that model's list of readonly attributes + # using +attr_readonly+. # [:include] # Specify second-order associations that should be eager loaded when this object is loaded. # [:polymorphic] @@ -1116,15 +1191,18 @@ module ActiveRecord # [:validate] # If false, don't validate the associated objects when saving the parent object. +false+ by default. # [:autosave] - # If true, always save the associated object or destroy it if marked for destruction, when saving the parent object. + # If true, always save the associated object or destroy it if marked for destruction, when + # saving the parent object. # If false, never save or destroy the associated object. # By default, only save the associated object if it's a new record. # [:touch] - # If true, the associated object will be touched (the updated_at/on attributes set to now) when this record is either saved or - # destroyed. If you specify a symbol, that attribute will be updated with the current time instead of the updated_at/on attribute. + # If true, the associated object will be touched (the updated_at/on attributes set to now) + # when this record is either saved or destroyed. If you specify a symbol, that attribute + # will be updated with the current time instead of the updated_at/on attribute. # [:inverse_of] - # Specifies the name of the <tt>has_one</tt> or <tt>has_many</tt> association on the associated object that is the inverse of this <tt>belongs_to</tt> - # association. Does not work in combination with the <tt>:polymorphic</tt> options. + # Specifies the name of the <tt>has_one</tt> or <tt>has_many</tt> association on the associated + # object that is the inverse of this <tt>belongs_to</tt> association. Does not work in + # combination with the <tt>:polymorphic</tt> options. # See ActiveRecord::Associations::ClassMethods's overview on Bi-directional associations for more detail. # # Option examples: @@ -1158,9 +1236,10 @@ module ActiveRecord # Specifies a many-to-many relationship with another class. This associates two classes via an # intermediate join table. Unless the join table is explicitly specified as an option, it is # guessed using the lexical order of the class names. So a join between Developer and Project - # will give the default join table name of "developers_projects" because "D" outranks "P". Note that this precedence - # is calculated using the <tt><</tt> operator for String. This means that if the strings are of different lengths, - # and the strings are equal when compared up to the shortest length, then the longer string is considered of higher + # will give the default join table name of "developers_projects" because "D" outranks "P". + # Note that this precedence is calculated using the <tt><</tt> operator for String. This + # means that if the strings are of different lengths, and the strings are equal when compared + # up to the shortest length, then the longer string is considered of higher # lexical precedence than the shorter one. For example, one would expect the tables "paper_boxes" and "papers" # to generate a join table name of "papers_paper_boxes" because of the length of the name "paper_boxes", # but it in fact generates a join table name of "paper_boxes_papers". Be aware of this caveat, and use the @@ -1182,9 +1261,10 @@ module ActiveRecord # end # end # - # Deprecated: Any additional fields added to the join table will be placed as attributes when pulling records out through - # +has_and_belongs_to_many+ associations. Records returned from join tables with additional attributes will be marked as - # readonly (because we can't save changes to the additional attributes). It's strongly recommended that you upgrade any + # Deprecated: Any additional fields added to the join table will be placed as attributes when + # pulling records out through +has_and_belongs_to_many+ associations. Records returned from join + # tables with additional attributes will be marked as readonly (because we can't save changes + # to the additional attributes). It's strongly recommended that you upgrade any # associations with attributes to a real join model (see introduction). # # Adds the following methods for retrieval and query: @@ -1224,7 +1304,8 @@ module ActiveRecord # with +attributes+ and linked to this object through the join table, but has not yet been saved. # [collection.create(attributes = {})] # Returns a new object of the collection type that has been instantiated - # with +attributes+, linked to this object through the join table, and that has already been saved (if it passed the validation). + # with +attributes+, linked to this object through the join table, and that has already been + # saved (if it passed the validation). # # (+collection+ is replaced with the symbol passed as the first argument, so # <tt>has_and_belongs_to_many :categories</tt> would add among others <tt>categories.empty?</tt>.) @@ -1259,8 +1340,9 @@ module ActiveRecord # MUST be declared underneath any +has_and_belongs_to_many+ declaration in order to work. # [:foreign_key] # Specify the foreign key used for the association. By default this is guessed to be the name - # of this class in lower-case and "_id" suffixed. So a Person class that makes a +has_and_belongs_to_many+ association - # to Project will use "person_id" as the default <tt>:foreign_key</tt>. + # of this class in lower-case and "_id" suffixed. So a Person class that makes + # a +has_and_belongs_to_many+ association to Project will use "person_id" as the + # default <tt>:foreign_key</tt>. # [:association_foreign_key] # Specify the foreign key used for the association on the receiving side of the association. # By default this is guessed to be the name of the associated class in lower-case and "_id" suffixed. @@ -1268,7 +1350,8 @@ module ActiveRecord # the association will use "project_id" as the default <tt>:association_foreign_key</tt>. # [:conditions] # Specify the conditions that the associated object must meet in order to be included as a +WHERE+ - # SQL fragment, such as <tt>authorized = 1</tt>. Record creations from the association are scoped if a hash is used. + # SQL fragment, such as <tt>authorized = 1</tt>. Record creations from the association are + # scoped if a hash is used. # <tt>has_many :posts, :conditions => {:published => true}</tt> will create published posts with <tt>@blog.posts.create</tt> # or <tt>@blog.posts.build</tt>. # [:order] @@ -1280,7 +1363,8 @@ module ActiveRecord # Overwrite the default generated SQL statement used to fetch the association with a manual statement # [:counter_sql] # Specify a complete SQL statement to fetch the size of the association. If <tt>:finder_sql</tt> is - # specified but not <tt>:counter_sql</tt>, <tt>:counter_sql</tt> will be generated by replacing <tt>SELECT ... FROM</tt> with <tt>SELECT COUNT(*) FROM</tt>. + # specified but not <tt>:counter_sql</tt>, <tt>:counter_sql</tt> will be generated by + # replacing <tt>SELECT ... FROM</tt> with <tt>SELECT COUNT(*) FROM</tt>. # [:delete_sql] # Overwrite the default generated SQL statement used to remove links between the associated # classes with a manual statement. @@ -1294,20 +1378,24 @@ module ActiveRecord # [:group] # An attribute name by which the result should be grouped. Uses the <tt>GROUP BY</tt> SQL-clause. # [:having] - # Combined with +:group+ this can be used to filter the records that a <tt>GROUP BY</tt> returns. Uses the <tt>HAVING</tt> SQL-clause. + # Combined with +:group+ this can be used to filter the records that a <tt>GROUP BY</tt> returns. + # Uses the <tt>HAVING</tt> SQL-clause. # [:limit] # An integer determining the limit on the number of rows that should be returned. # [:offset] - # An integer determining the offset from where the rows should be fetched. So at 5, it would skip the first 4 rows. + # An integer determining the offset from where the rows should be fetched. So at 5, + # it would skip the first 4 rows. # [:select] - # By default, this is <tt>*</tt> as in <tt>SELECT * FROM</tt>, but can be changed if, for example, you want to do a join - # but not include the joined columns. Do not forget to include the primary and foreign keys, otherwise it will raise an error. + # By default, this is <tt>*</tt> as in <tt>SELECT * FROM</tt>, but can be changed if, for example, + # you want to do a join but not include the joined columns. Do not forget to include the primary + # and foreign keys, otherwise it will raise an error. # [:readonly] # If true, all the associated objects are readonly through the association. # [:validate] # If false, don't validate the associated objects when saving the parent object. +true+ by default. # [:autosave] - # If true, always save the associated objects or destroy them if marked for destruction, when saving the parent object. + # If true, always save the associated objects or destroy them if marked for destruction, when + # saving the parent object. # If false, never save or destroy the associated objects. # By default, only save associated objects that are new records. # @@ -1354,7 +1442,7 @@ module ActiveRecord end def association_accessor_methods(reflection, association_proxy_class) - define_method(reflection.name) do |*params| + redefine_method(reflection.name) do |*params| force_reload = params.first unless params.empty? association = association_instance_get(reflection.name) @@ -1371,12 +1459,12 @@ module ActiveRecord association.target.nil? ? nil : association end - define_method("loaded_#{reflection.name}?") do + redefine_method("loaded_#{reflection.name}?") do association = association_instance_get(reflection.name) association && association.loaded? end - - define_method("#{reflection.name}=") do |new_value| + + redefine_method("#{reflection.name}=") do |new_value| association = association_instance_get(reflection.name) if association.nil? || association.target != new_value @@ -1386,8 +1474,8 @@ module ActiveRecord association.replace(new_value) association_instance_set(reflection.name, new_value.nil? ? nil : association) end - - define_method("set_#{reflection.name}_target") do |target| + + redefine_method("set_#{reflection.name}_target") do |target| return if target.nil? and association_proxy_class == BelongsToAssociation association = association_proxy_class.new(self, reflection) association.target = target @@ -1396,7 +1484,7 @@ module ActiveRecord end def collection_reader_method(reflection, association_proxy_class) - define_method(reflection.name) do |*params| + redefine_method(reflection.name) do |*params| force_reload = params.first unless params.empty? association = association_instance_get(reflection.name) @@ -1409,8 +1497,8 @@ module ActiveRecord association end - - define_method("#{reflection.name.to_s.singularize}_ids") do + + redefine_method("#{reflection.name.to_s.singularize}_ids") do if send(reflection.name).loaded? || reflection.options[:finder_sql] send(reflection.name).map(&:id) else @@ -1430,22 +1518,24 @@ module ActiveRecord collection_reader_method(reflection, association_proxy_class) if writer - define_method("#{reflection.name}=") do |new_value| + redefine_method("#{reflection.name}=") do |new_value| # Loads proxy class instance (defined in collection_reader_method) if not already loaded association = send(reflection.name) association.replace(new_value) association end - define_method("#{reflection.name.to_s.singularize}_ids=") do |new_value| - ids = (new_value || []).reject { |nid| nid.blank? }.map(&:to_i) + redefine_method("#{reflection.name.to_s.singularize}_ids=") do |new_value| + pk_column = reflection.primary_key_column + ids = (new_value || []).reject { |nid| nid.blank? } + ids.map!{ |i| pk_column.type_cast(i) } send("#{reflection.name}=", reflection.klass.find(ids).index_by(&:id).values_at(*ids)) end end end def association_constructor_method(constructor, reflection, association_proxy_class) - define_method("#{constructor}_#{reflection.name}") do |*params| + redefine_method("#{constructor}_#{reflection.name}") do |*params| attributees = params.first unless params.empty? replace_existing = params[1].nil? ? true : params[1] association = association_instance_get(reflection.name) @@ -1486,8 +1576,8 @@ module ActiveRecord end def add_touch_callbacks(reflection, touch_attribute) - method_name = "belongs_to_touch_after_save_or_destroy_for_#{reflection.name}".to_sym - define_method(method_name) do + method_name = :"belongs_to_touch_after_save_or_destroy_for_#{reflection.name}" + redefine_method(method_name) do association = send(reflection.name) if touch_attribute == true @@ -1497,20 +1587,18 @@ module ActiveRecord end end after_save(method_name) + after_touch(method_name) after_destroy(method_name) end # Creates before_destroy callback methods that nullify, delete or destroy # has_many associated objects, according to the defined :dependent rule. - # If the association is marked as :dependent => :restrict, create a callback - # that prevents deleting entirely. # - # See HasManyAssociation#delete_records. Dependent associations - # delete children, otherwise foreign key is set to NULL. - # See HasManyAssociation#delete_records. Dependent associations - # delete children if the option is set to :destroy or :delete_all, set the - # foreign key to NULL if the option is set to :nullify, and do not touch the - # child records if the option is set to :restrict. + # See HasManyAssociation#delete_records for more information. In general + # - delete children if the option is set to :destroy or :delete_all + # - set the foreign key to NULL if the option is set to :nullify + # - do not delete the parent record if there is any child record if the + # option is set to :restrict # # The +extra_conditions+ parameter, which is not used within the main # Active Record codebase, is meant to allow plugins to define extra @@ -1761,7 +1849,7 @@ module ActiveRecord def graft(*associations) associations.each do |association| join_associations.detect {|a| association == a} || - build(association.reflection.name, association.find_parent_in(self), association.join_class) + build(association.reflection.name, association.find_parent_in(self) || join_base, association.join_class) end self end @@ -1801,9 +1889,7 @@ module ActiveRecord case associations when Symbol, String reflection = base.reflections[associations] - if reflection && reflection.collection? - records.each { |record| record.send(reflection.name).target.uniq! } - end + remove_uniq_by_reflection(reflection, records) when Array associations.each do |association| remove_duplicate_results!(base, records, association) @@ -1811,6 +1897,7 @@ module ActiveRecord when Hash associations.keys.each do |name| reflection = base.reflections[name] + remove_uniq_by_reflection(reflection, records) parent_records = [] records.each do |record| @@ -1829,6 +1916,7 @@ module ActiveRecord end protected + def build(associations, parent = nil, join_class = Arel::InnerJoin) parent ||= @joins.last case associations @@ -1851,6 +1939,12 @@ module ActiveRecord end end + def remove_uniq_by_reflection(reflection, records) + if reflection && reflection.collection? + records.each { |record| record.send(reflection.name).target.uniq! } + end + end + def build_join_association(reflection, parent) JoinAssociation.new(reflection, self, parent) end @@ -1965,7 +2059,7 @@ module ActiveRecord end class JoinAssociation < JoinBase # :nodoc: - attr_reader :reflection, :parent, :aliased_table_name, :aliased_prefix, :aliased_join_table_name, :parent_table_name + attr_reader :reflection, :parent, :aliased_table_name, :aliased_prefix, :aliased_join_table_name, :parent_table_name, :join_class delegate :options, :klass, :through_reflection, :source_reflection, :to => :reflection def initialize(reflection, join_dependency, parent = nil) @@ -1982,6 +2076,7 @@ module ActiveRecord @parent_table_name = parent.active_record.table_name @aliased_table_name = aliased_table_name_for(table_name) @join = nil + @join_class = Arel::InnerJoin if reflection.macro == :has_and_belongs_to_many @aliased_join_table_name = aliased_table_name_for(reflection.options[:join_table], "_join") @@ -2004,10 +2099,6 @@ module ActiveRecord end end - def join_class - @join_class ||= Arel::InnerJoin - end - def with_join_class(join_class) @join_class = join_class self diff --git a/activerecord/lib/active_record/associations/association_collection.rb b/activerecord/lib/active_record/associations/association_collection.rb index 615b7d2719..b5159eead3 100644 --- a/activerecord/lib/active_record/associations/association_collection.rb +++ b/activerecord/lib/active_record/associations/association_collection.rb @@ -183,10 +183,13 @@ module ActiveRecord # descendant's +construct_sql+ method will have set :counter_sql automatically. # Otherwise, construct options and pass them with scope to the target class's +count+. def count(column_name = nil, options = {}) - if @reflection.options[:counter_sql] + column_name, options = nil, column_name if column_name.is_a?(Hash) + + if @reflection.options[:counter_sql] && !options.blank? + raise ArgumentError, "If finder_sql/counter_sql is used then options cannot be passed" + elsif @reflection.options[:counter_sql] @reflection.klass.count_by_sql(@counter_sql) else - column_name, options = nil, column_name if column_name.is_a?(Hash) if @reflection.options[:uniq] # This is needed because 'SELECT count(DISTINCT *)..' is not valid SQL. @@ -215,9 +218,9 @@ module ActiveRecord # are actually removed from the database, that depends precisely on # +delete_records+. They are in any case removed from the collection. def delete(*records) - remove_records(records) do |records, old_records| + remove_records(records) do |_records, old_records| delete_records(old_records) if old_records.any? - records.each { |record| @target.delete(record) } + _records.each { |record| @target.delete(record) } end end @@ -228,7 +231,7 @@ module ActiveRecord # ignoring the +:dependent+ option. def destroy(*records) records = find(records) if records.any? {|record| record.kind_of?(Fixnum) || record.kind_of?(String)} - remove_records(records) do |records, old_records| + remove_records(records) do |_records, old_records| old_records.each { |record| record.destroy } end @@ -393,11 +396,12 @@ module ActiveRecord if @target.is_a?(Array) && @target.any? @target = find_target.map do |f| i = @target.index(f) - t = @target.delete_at(i) if i - if t && t.changed? - t + if i + @target.delete_at(i).tap do |t| + keys = ["id"] + t.changes.keys + (f.attribute_names - t.attribute_names) + t.attributes = f.attributes.except(*keys) + end else - f.mark_for_destruction if t && t.marked_for_destruction? f end end + @target @@ -415,15 +419,10 @@ module ActiveRecord end def method_missing(method, *args) - case method.to_s - when 'find_or_create' - return find(:first, :conditions => args.first) || create(args.first) - when /^find_or_create_by_(.*)$/ - rest = $1 - return send("find_by_#{rest}", *args) || - method_missing("create_by_#{rest}", *args) - when /^create_by_(.*)$/ - return create Hash[$1.split('_and_').zip(args)] + match = DynamicFinderMatch.match(method) + if match && match.creator? + attributes = match.attribute_names + return send(:"find_by_#{attributes.join('_and_')}", *args) || create(Hash[attributes.zip(args)]) end if @target.respond_to?(method) || (!@reflection.klass.respond_to?(method) && Class.respond_to?(method)) @@ -479,7 +478,11 @@ module ActiveRecord callback(:before_add, record) yield(record) if block_given? @target ||= [] unless loaded? - @target << record unless @reflection.options[:uniq] && @target.include?(record) + if index = @target.index(record) + @target[index] = record + else + @target << record + end callback(:after_add, record) set_inverse_instance(record, @owner) record diff --git a/activerecord/lib/active_record/associations/belongs_to_association.rb b/activerecord/lib/active_record/associations/belongs_to_association.rb index c2a6495db5..4558872a2b 100644 --- a/activerecord/lib/active_record/associations/belongs_to_association.rb +++ b/activerecord/lib/active_record/associations/belongs_to_association.rb @@ -22,7 +22,7 @@ module ActiveRecord else raise_on_type_mismatch(record) - if counter_cache_name && !@owner.new_record? + if counter_cache_name && !@owner.new_record? && record.id != @owner[@reflection.primary_key_name] @reflection.klass.increment_counter(counter_cache_name, record.id) @reflection.klass.decrement_counter(counter_cache_name, @owner[@reflection.primary_key_name]) if @owner[@reflection.primary_key_name] end diff --git a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb index c989c3536d..bec123e7a2 100644 --- a/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb +++ b/activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb @@ -45,17 +45,23 @@ module ActiveRecord if @reflection.options[:insert_sql] @owner.connection.insert(interpolate_sql(@reflection.options[:insert_sql], record)) else - relation = Arel::Table.new(@reflection.options[:join_table]) + relation = Arel::Table.new(@reflection.options[:join_table]) + timestamps = record_timestamp_columns(record) + timezone = record.send(:current_time_from_proper_timezone) if timestamps.any? + attributes = columns.inject({}) do |attrs, column| - case column.name.to_s + name = column.name + case name.to_s when @reflection.primary_key_name.to_s - attrs[relation[column.name]] = owner_quoted_id + attrs[relation[name]] = @owner.id when @reflection.association_foreign_key.to_s - attrs[relation[column.name]] = record.quoted_id + attrs[relation[name]] = record.id + when *timestamps + attrs[relation[name]] = timezone else - if record.has_attribute?(column.name) - value = @owner.send(:quote_value, record[column.name], column) - attrs[relation[column.name]] = value unless value.nil? + if record.has_attribute?(name) + value = @owner.send(:quote_value, record[name], column) + attrs[relation[name]] = value unless value.nil? end end attrs @@ -100,9 +106,10 @@ module ActiveRecord :limit => @reflection.options[:limit] } } end - # Join tables with additional columns on top of the two foreign keys must be considered ambiguous unless a select - # clause has been explicitly defined. Otherwise you can get broken records back, if, for example, the join column also has - # an id column. This will then overwrite the id column of the records coming back. + # Join tables with additional columns on top of the two foreign keys must be considered + # ambiguous unless a select clause has been explicitly defined. Otherwise you can get + # broken records back, if, for example, the join column also has an id column. This will + # then overwrite the id column of the records coming back. def finding_with_ambiguous_select?(select_clause) !select_clause && columns.size != 2 end @@ -117,6 +124,14 @@ module ActiveRecord build_record(attributes, &block) end end + + def record_timestamp_columns(record) + if record.record_timestamps + record.send(:all_timestamp_attributes).map(&:to_s) + else + [] + end + end end end end diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index d74fb7c702..c33bc6aa47 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -24,7 +24,7 @@ module ActiveRecord # If the association has a counter cache it gets that value. Otherwise # it will attempt to do a count via SQL, bounded to <tt>:limit</tt> if # there's one. Some configuration options like :group make it impossible - # to do a SQL count, in those cases the array count will be used. + # to do an SQL count, in those cases the array count will be used. # # That does not depend on whether the collection has already been loaded # or not. The +size+ method is the one that takes the loaded flag into diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb index 17f850756f..608b1c741a 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -24,9 +24,10 @@ module ActiveRecord end end - # Returns the size of the collection by executing a SELECT COUNT(*) query if the collection hasn't been loaded and - # calling collection.size if it has. If it's more likely than not that the collection does have a size larger than zero, - # and you need to fetch that collection afterwards, it'll take one fewer SELECT query if you use #length. + # Returns the size of the collection by executing a SELECT COUNT(*) query if the collection hasn't been + # loaded and calling collection.size if it has. If it's more likely than not that the collection does + # have a size larger than zero, and you need to fetch that collection afterwards, it'll take one fewer + # SELECT query if you use #length. def size return @owner.send(:read_attribute, cached_counter_attribute_name) if has_cached_counter? return @target.size if loaded? diff --git a/activerecord/lib/active_record/associations/through_association_scope.rb b/activerecord/lib/active_record/associations/through_association_scope.rb index 22e1033a9d..cabb33c4a8 100644 --- a/activerecord/lib/active_record/associations/through_association_scope.rb +++ b/activerecord/lib/active_record/associations/through_association_scope.rb @@ -35,7 +35,7 @@ module ActiveRecord @owner.class.base_class.name.to_s, reflection.klass.columns_hash["#{as}_type"]) } elsif reflection.macro == :belongs_to - { reflection.klass.primary_key => @owner[reflection.primary_key_name] } + { reflection.klass.primary_key => @owner.class.quote_value(@owner[reflection.primary_key_name]) } else { reflection.primary_key_name => owner_quoted_id } end diff --git a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb index 783d61383b..8f0aacba42 100644 --- a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb +++ b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb @@ -14,7 +14,8 @@ module ActiveRecord module ClassMethods protected # Defined for all +datetime+ and +timestamp+ attributes when +time_zone_aware_attributes+ are enabled. - # This enhanced read method automatically converts the UTC time stored in the database to the time zone stored in Time.zone. + # This enhanced read method automatically converts the UTC time stored in the database to the time + # zone stored in Time.zone. def define_method_attribute(attr_name) if create_time_zone_conversion_attribute?(attr_name, columns_hash[attr_name]) method_body, line = <<-EOV, __LINE__ + 1 diff --git a/activerecord/lib/active_record/attribute_methods/write.rb b/activerecord/lib/active_record/attribute_methods/write.rb index e31acac050..7a2de3bf80 100644 --- a/activerecord/lib/active_record/attribute_methods/write.rb +++ b/activerecord/lib/active_record/attribute_methods/write.rb @@ -14,8 +14,8 @@ module ActiveRecord end end - # Updates the attribute identified by <tt>attr_name</tt> with the specified +value+. Empty strings for fixnum and float - # columns are turned into +nil+. + # Updates the attribute identified by <tt>attr_name</tt> with the specified +value+. Empty strings + # for fixnum and float columns are turned into +nil+. def write_attribute(attr_name, value) attr_name = attr_name.to_s attr_name = self.class.primary_key if attr_name == 'id' diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb index 7517896235..2c7afe3c9f 100644 --- a/activerecord/lib/active_record/autosave_association.rb +++ b/activerecord/lib/active_record/autosave_association.rb @@ -4,14 +4,13 @@ module ActiveRecord # = Active Record Autosave Association # # AutosaveAssociation is a module that takes care of automatically saving - # your associations when the parent is saved. In addition to saving, it - # also destroys any associations that were marked for destruction. + # associacted records when parent is saved. In addition to saving, it + # also destroys any associated records that were marked for destruction. # (See mark_for_destruction and marked_for_destruction?) # # Saving of the parent, its associations, and the destruction of marked # associations, all happen inside 1 transaction. This should never leave the - # database in an inconsistent state after, for instance, mass assigning - # attributes and saving them. + # database in an inconsistent state. # # If validations for any of the associations fail, their error messages will # be applied to the parent. @@ -21,8 +20,6 @@ module ActiveRecord # # === One-to-one Example # - # Consider a Post model with one Author: - # # class Post # has_one :author, :autosave => true # end @@ -155,11 +152,12 @@ module ActiveRecord CODE end - # Adds a validate and save callback for the association as specified by + # Adds validation and save callbacks for the association as specified by # the +reflection+. # - # For performance reasons, we don't check whether to validate at runtime, - # but instead only define the method and callback when needed. However, + # For performance reasons, we don't check whether to validate at runtime. + # However the validation and callback methods are lazy and those methods + # get created when they are invoked for the very first time. However, # this can change, for instance, when using nested attributes, which is # called _after_ the association has been defined. Since we don't want # the callbacks to get defined multiple times, there are guards that @@ -197,14 +195,15 @@ module ActiveRecord end end - # Reloads the attributes of the object as usual and removes a mark for destruction. + # Reloads the attributes of the object as usual and clears <tt>marked_for_destruction</tt> flag. def reload(options = nil) @marked_for_destruction = false super end # Marks this record to be destroyed as part of the parents save transaction. - # This does _not_ actually destroy the record yet, rather it will be destroyed when <tt>parent.save</tt> is called. + # This does _not_ actually destroy the record instantly, rather child record will be destroyed + # when <tt>parent.save</tt> is called. # # Only useful if the <tt>:autosave</tt> option on the parent is enabled for this associated model. def mark_for_destruction @@ -249,7 +248,7 @@ module ActiveRecord end # Validate the association if <tt>:validate</tt> or <tt>:autosave</tt> is - # turned on for the association specified by +reflection+. + # turned on for the association. def validate_single_association(reflection) if (association = association_instance_get(reflection.name)) && !association.target.nil? association_valid?(reflection, association) @@ -357,14 +356,9 @@ module ActiveRecord end end - # Saves the associated record if it's new or <tt>:autosave</tt> is enabled - # on the association. + # Saves the associated record if it's new or <tt>:autosave</tt> is enabled. # - # In addition, it will destroy the association if it was marked for - # destruction with mark_for_destruction. - # - # This all happens inside a transaction, _if_ the Transactions module is included into - # ActiveRecord::Base after the AutosaveAssociation module, which it does by default. + # In addition, it will destroy the association if it was marked for destruction. def save_belongs_to_association(reflection) if (association = association_instance_get(reflection.name)) && !association.destroyed? autosave = reflection.options[:autosave] @@ -377,10 +371,6 @@ module ActiveRecord if association.updated? association_id = association.send(reflection.options[:primary_key] || :id) self[reflection.primary_key_name] = association_id - # TODO: Removing this code doesn't seem to matter... - if reflection.options[:polymorphic] - self[reflection.options[:foreign_type]] = association.class.base_class.name.to_s - end end saved if autosave @@ -388,4 +378,4 @@ module ActiveRecord end end end -end
\ No newline at end of file +end diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index c78060c956..8da4fbcba7 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -26,17 +26,19 @@ require 'active_record/log_subscriber' module ActiveRecord #:nodoc: # = Active Record # - # Active Record objects don't specify their attributes directly, but rather infer them from the table definition with - # which they're linked. Adding, removing, and changing attributes and their type is done directly in the database. Any change - # is instantly reflected in the Active Record objects. The mapping that binds a given Active Record class to a certain + # Active Record objects don't specify their attributes directly, but rather infer them from + # the table definition with which they're linked. Adding, removing, and changing attributes + # and their type is done directly in the database. Any change is instantly reflected in the + # Active Record objects. The mapping that binds a given Active Record class to a certain # database table will happen automatically in most common cases, but can be overwritten for the uncommon ones. # # See the mapping rules in table_name and the full example in link:files/README.html for more insight. # # == Creation # - # Active Records accept constructor parameters either in a hash or as a block. The hash method is especially useful when - # you're receiving the data from somewhere else, like an HTTP request. It works like this: + # Active Records accept constructor parameters either in a hash or as a block. The hash + # method is especially useful when you're receiving the data from somewhere else, like an + # HTTP request. It works like this: # # user = User.new(:name => "David", :occupation => "Code Artist") # user.name # => "David" @@ -75,14 +77,17 @@ module ActiveRecord #:nodoc: # end # end # - # The <tt>authenticate_unsafely</tt> method inserts the parameters directly into the query and is thus susceptible to SQL-injection - # attacks if the <tt>user_name</tt> and +password+ parameters come directly from an HTTP request. The <tt>authenticate_safely</tt> and - # <tt>authenticate_safely_simply</tt> both will sanitize the <tt>user_name</tt> and +password+ before inserting them in the query, - # which will ensure that an attacker can't escape the query and fake the login (or worse). + # The <tt>authenticate_unsafely</tt> method inserts the parameters directly into the query + # and is thus susceptible to SQL-injection attacks if the <tt>user_name</tt> and +password+ + # parameters come directly from an HTTP request. The <tt>authenticate_safely</tt> and + # <tt>authenticate_safely_simply</tt> both will sanitize the <tt>user_name</tt> and +password+ + # before inserting them in the query, which will ensure that an attacker can't escape the + # query and fake the login (or worse). # - # When using multiple parameters in the conditions, it can easily become hard to read exactly what the fourth or fifth - # question mark is supposed to represent. In those cases, you can resort to named bind variables instead. That's done by replacing - # the question marks with symbols and supplying a hash with values for the matching symbol keys: + # When using multiple parameters in the conditions, it can easily become hard to read exactly + # what the fourth or fifth question mark is supposed to represent. In those cases, you can + # resort to named bind variables instead. That's done by replacing the question marks with + # symbols and supplying a hash with values for the matching symbol keys: # # Company.where( # "id = :id AND name = :name AND division = :division AND created_at > :accounting_date", @@ -103,18 +108,19 @@ module ActiveRecord #:nodoc: # # Student.where(:grade => [9,11,12]) # - # When joining tables, nested hashes or keys written in the form 'table_name.column_name' can be used to qualify the table name of a - # particular condition. For instance: + # When joining tables, nested hashes or keys written in the form 'table_name.column_name' + # can be used to qualify the table name of a particular condition. For instance: # # Student.joins(:schools).where(:schools => { :type => 'public' }) # Student.joins(:schools).where('schools.type' => 'public' ) # # == Overwriting default accessors # - # All column values are automatically available through basic accessors on the Active Record object, but sometimes you - # want to specialize this behavior. This can be done by overwriting the default accessors (using the same - # name as the attribute) and calling <tt>read_attribute(attr_name)</tt> and <tt>write_attribute(attr_name, value)</tt> to actually change things. - # Example: + # All column values are automatically available through basic accessors on the Active Record + # object, but sometimes you want to specialize this behavior. This can be done by overwriting + # the default accessors (using the same name as the attribute) and calling + # <tt>read_attribute(attr_name)</tt> and <tt>write_attribute(attr_name, value)</tt> to actually + # change things. # # class Song < ActiveRecord::Base # # Uses an integer of seconds to hold the length of the song @@ -128,8 +134,8 @@ module ActiveRecord #:nodoc: # end # end # - # You can alternatively use <tt>self[:attribute]=(value)</tt> and <tt>self[:attribute]</tt> instead of <tt>write_attribute(:attribute, value)</tt> and - # <tt>read_attribute(:attribute)</tt> as a shorter form. + # You can alternatively use <tt>self[:attribute]=(value)</tt> and <tt>self[:attribute]</tt> + # instead of <tt>write_attribute(:attribute, value)</tt> and <tt>read_attribute(:attribute)</tt>. # # == Attribute query methods # @@ -147,34 +153,43 @@ module ActiveRecord #:nodoc: # # == Accessing attributes before they have been typecasted # - # Sometimes you want to be able to read the raw attribute data without having the column-determined typecast run its course first. - # That can be done by using the <tt><attribute>_before_type_cast</tt> accessors that all attributes have. For example, if your Account model - # has a <tt>balance</tt> attribute, you can call <tt>account.balance_before_type_cast</tt> or <tt>account.id_before_type_cast</tt>. + # Sometimes you want to be able to read the raw attribute data without having the column-determined + # typecast run its course first. That can be done by using the <tt><attribute>_before_type_cast</tt> + # accessors that all attributes have. For example, if your Account model has a <tt>balance</tt> attribute, + # you can call <tt>account.balance_before_type_cast</tt> or <tt>account.id_before_type_cast</tt>. # - # This is especially useful in validation situations where the user might supply a string for an integer field and you want to display - # the original string back in an error message. Accessing the attribute normally would typecast the string to 0, which isn't what you - # want. + # This is especially useful in validation situations where the user might supply a string for an + # integer field and you want to display the original string back in an error message. Accessing the + # attribute normally would typecast the string to 0, which isn't what you want. # # == Dynamic attribute-based finders # - # Dynamic attribute-based finders are a cleaner way of getting (and/or creating) objects by simple queries without turning to SQL. They work by - # appending the name of an attribute to <tt>find_by_</tt>, <tt>find_last_by_</tt>, or <tt>find_all_by_</tt>, so you get finders like <tt>Person.find_by_user_name</tt>, - # <tt>Person.find_all_by_last_name</tt>, and <tt>Payment.find_by_transaction_id</tt>. So instead of writing + # Dynamic attribute-based finders are a cleaner way of getting (and/or creating) objects + # by simple queries without turning to SQL. They work by appending the name of an attribute + # to <tt>find_by_</tt>, <tt>find_last_by_</tt>, or <tt>find_all_by_</tt> and thus produces finders + # like <tt>Person.find_by_user_name</tt>, <tt>Person.find_all_by_last_name</tt>, and + # <tt>Payment.find_by_transaction_id</tt>. Instead of writing # <tt>Person.where(:user_name => user_name).first</tt>, you just do <tt>Person.find_by_user_name(user_name)</tt>. - # And instead of writing <tt>Person.where(:last_name => last_name).all</tt>, you just do <tt>Person.find_all_by_last_name(last_name)</tt>. + # And instead of writing <tt>Person.where(:last_name => last_name).all</tt>, you just do + # <tt>Person.find_all_by_last_name(last_name)</tt>. # - # It's also possible to use multiple attributes in the same find by separating them with "_and_", so you get finders like - # <tt>Person.find_by_user_name_and_password</tt> or even <tt>Payment.find_by_purchaser_and_state_and_country</tt>. So instead of writing - # <tt>Person.where(:user_name => user_name, :password => password).first</tt>, you just do - # <tt>Person.find_by_user_name_and_password(user_name, password)</tt>. + # It's also possible to use multiple attributes in the same find by separating them with "_and_". + # + # Person.where(:user_name => user_name, :password => password).first + # Person.find_by_user_name_and_password #with dynamic finder + # + # Person.where(:user_name => user_name, :password => password, :gender => 'male').first + # Payment.find_by_user_name_and_password_and_gender # - # It's even possible to call these dynamic finder methods on relations and named scopes. For example : + # It's even possible to call these dynamic finder methods on relations and named scopes. # # Payment.order("created_on").find_all_by_amount(50) # Payment.pending.find_last_by_amount(100) # - # The same dynamic finder style can be used to create the object if it doesn't already exist. This dynamic finder is called with - # <tt>find_or_create_by_</tt> and will return the object if it already exists and otherwise creates it, then returns it. Protected attributes won't be set unless they are given in a block. For example: + # The same dynamic finder style can be used to create the object if it doesn't already exist. + # This dynamic finder is called with <tt>find_or_create_by_</tt> and will return the object if + # it already exists and otherwise creates it, then returns it. Protected attributes won't be set + # unless they are given in a block. # # # No 'Summer' tag exists # Tag.find_or_create_by_name("Summer") # equal to Tag.create(:name => "Summer") @@ -185,23 +200,33 @@ module ActiveRecord #:nodoc: # # Now 'Bob' exist and is an 'admin' # User.find_or_create_by_name('Bob', :age => 40) { |u| u.admin = true } # - # Use the <tt>find_or_initialize_by_</tt> finder if you want to return a new record without saving it first. Protected attributes won't be set unless they are given in a block. For example: + # Use the <tt>find_or_initialize_by_</tt> finder if you want to return a new record without + # saving it first. Protected attributes won't be set unless they are given in a block. # # # No 'Winter' tag exists # winter = Tag.find_or_initialize_by_name("Winter") # winter.new_record? # true # # To find by a subset of the attributes to be used for instantiating a new object, pass a hash instead of - # a list of parameters. For example: + # a list of parameters. # # Tag.find_or_create_by_name(:name => "rails", :creator => current_user) # - # That will either find an existing tag named "rails", or create a new one while setting the user that created it. + # That will either find an existing tag named "rails", or create a new one while setting the + # user that created it. + # + # Just like <tt>find_by_*</tt>, you can also use <tt>scoped_by_*</tt> to retrieve data. The good thing about + # using this feature is that the very first time result is returned using <tt>method_missing</tt> technique + # but after that the method is declared on the class. Henceforth <tt>method_missing</tt> will not be hit. + # + # User.scoped_by_user_name('David') # # == Saving arrays, hashes, and other non-mappable objects in text columns # - # Active Record can serialize any object in text columns using YAML. To do so, you must specify this with a call to the class method +serialize+. - # This makes it possible to store arrays, hashes, and other non-mappable objects without doing any additional work. Example: + # Active Record can serialize any object in text columns using YAML. To do so, you must + # specify this with a call to the class method +serialize+. + # This makes it possible to store arrays, hashes, and other non-mappable objects without doing + # any additional work. # # class User < ActiveRecord::Base # serialize :preferences @@ -210,8 +235,8 @@ module ActiveRecord #:nodoc: # user = User.create(:preferences => { "background" => "black", "display" => large }) # User.find(user.id).preferences # => { "background" => "black", "display" => large } # - # You can also specify a class option as the second parameter that'll raise an exception if a serialized object is retrieved as a - # descendant of a class not in the hierarchy. Example: + # You can also specify a class option as the second parameter that'll raise an exception + # if a serialized object is retrieved as a descendant of a class not in the hierarchy. # # class User < ActiveRecord::Base # serialize :preferences, Hash @@ -222,52 +247,63 @@ module ActiveRecord #:nodoc: # # == Single table inheritance # - # Active Record allows inheritance by storing the name of the class in a column that by default is named "type" (can be changed - # by overwriting <tt>Base.inheritance_column</tt>). This means that an inheritance looking like this: + # Active Record allows inheritance by storing the name of the class in a column that by + # default is named "type" (can be changed by overwriting <tt>Base.inheritance_column</tt>). + # This means that an inheritance looking like this: # # class Company < ActiveRecord::Base; end # class Firm < Company; end # class Client < Company; end # class PriorityClient < Client; end # - # When you do <tt>Firm.create(:name => "37signals")</tt>, this record will be saved in the companies table with type = "Firm". You can then - # fetch this row again using <tt>Company.where(:name => '37signals').first</tt> and it will return a Firm object. + # When you do <tt>Firm.create(:name => "37signals")</tt>, this record will be saved in + # the companies table with type = "Firm". You can then fetch this row again using + # <tt>Company.where(:name => '37signals').first</tt> and it will return a Firm object. # - # If you don't have a type column defined in your table, single-table inheritance won't be triggered. In that case, it'll work just - # like normal subclasses with no special magic for differentiating between them or reloading the right type with find. + # If you don't have a type column defined in your table, single-table inheritance won't + # be triggered. In that case, it'll work just like normal subclasses with no special magic + # for differentiating between them or reloading the right type with find. # # Note, all the attributes for all the cases are kept in the same table. Read more: # http://www.martinfowler.com/eaaCatalog/singleTableInheritance.html # # == Connection to multiple databases in different models # - # Connections are usually created through ActiveRecord::Base.establish_connection and retrieved by ActiveRecord::Base.connection. - # All classes inheriting from ActiveRecord::Base will use this connection. But you can also set a class-specific connection. - # For example, if Course is an ActiveRecord::Base, but resides in a different database, you can just say <tt>Course.establish_connection</tt> + # Connections are usually created through ActiveRecord::Base.establish_connection and retrieved + # by ActiveRecord::Base.connection. All classes inheriting from ActiveRecord::Base will use this + # connection. But you can also set a class-specific connection. For example, if Course is an + # ActiveRecord::Base, but resides in a different database, you can just say <tt>Course.establish_connection</tt> # and Course and all of its subclasses will use this connection instead. # - # This feature is implemented by keeping a connection pool in ActiveRecord::Base that is a Hash indexed by the class. If a connection is - # requested, the retrieve_connection method will go up the class-hierarchy until a connection is found in the connection pool. + # This feature is implemented by keeping a connection pool in ActiveRecord::Base that is + # a Hash indexed by the class. If a connection is requested, the retrieve_connection method + # will go up the class-hierarchy until a connection is found in the connection pool. # # == Exceptions # # * ActiveRecordError - Generic error class and superclass of all other errors raised by Active Record. # * AdapterNotSpecified - The configuration hash used in <tt>establish_connection</tt> didn't include an # <tt>:adapter</tt> key. - # * AdapterNotFound - The <tt>:adapter</tt> key used in <tt>establish_connection</tt> specified a non-existent adapter + # * AdapterNotFound - The <tt>:adapter</tt> key used in <tt>establish_connection</tt> specified a + # non-existent adapter # (or a bad spelling of an existing one). - # * AssociationTypeMismatch - The object assigned to the association wasn't of the type specified in the association definition. + # * AssociationTypeMismatch - The object assigned to the association wasn't of the type + # specified in the association definition. # * SerializationTypeMismatch - The serialized object wasn't of the class specified as the second parameter. - # * ConnectionNotEstablished+ - No connection has been established. Use <tt>establish_connection</tt> before querying. + # * ConnectionNotEstablished+ - No connection has been established. Use <tt>establish_connection</tt> + # before querying. # * RecordNotFound - No record responded to the +find+ method. Either the row with the given ID doesn't exist # or the row didn't meet the additional restrictions. Some +find+ calls do not raise this exception to signal # nothing was found, please check its documentation for further details. # * StatementInvalid - The database server rejected the SQL statement. The precise error is added in the message. # * MultiparameterAssignmentErrors - Collection of errors that occurred during a mass assignment using the - # <tt>attributes=</tt> method. The +errors+ property of this exception contains an array of AttributeAssignmentError + # <tt>attributes=</tt> method. The +errors+ property of this exception contains an array of + # AttributeAssignmentError # objects that should be inspected to determine which attributes triggered the errors. - # * AttributeAssignmentError - An error occurred while doing a mass assignment through the <tt>attributes=</tt> method. - # You can inspect the +attribute+ property of the exception object to determine which attribute triggered the error. + # * AttributeAssignmentError - An error occurred while doing a mass assignment through the + # <tt>attributes=</tt> method. + # You can inspect the +attribute+ property of the exception object to determine which attribute + # triggered the error. # # *Note*: The attributes listed are class-level attributes (accessible from both the class and instance level). # So it's possible to assign a logger to the class through <tt>Base.logger=</tt> which will then be used by all @@ -275,8 +311,9 @@ module ActiveRecord #:nodoc: class Base ## # :singleton-method: - # Accepts a logger conforming to the interface of Log4r or the default Ruby 1.8+ Logger class, which is then passed - # on to any new database connections made and which can be retrieved on both a class and instance level by calling +logger+. + # Accepts a logger conforming to the interface of Log4r or the default Ruby 1.8+ Logger class, + # which is then passed on to any new database connections made and which can be retrieved on both + # a class and instance level by calling +logger+. cattr_accessor :logger, :instance_writer => false class << self @@ -323,21 +360,24 @@ module ActiveRecord #:nodoc: ## # :singleton-method: - # Accessor for the prefix type that will be prepended to every primary key column name. The options are :table_name and - # :table_name_with_underscore. If the first is specified, the Product class will look for "productid" instead of "id" as - # the primary column. If the latter is specified, the Product class will look for "product_id" instead of "id". Remember + # Accessor for the prefix type that will be prepended to every primary key column name. + # The options are :table_name and :table_name_with_underscore. If the first is specified, + # the Product class will look for "productid" instead of "id" as the primary column. If the + # latter is specified, the Product class will look for "product_id" instead of "id". Remember # that this is a global setting for all Active Records. cattr_accessor :primary_key_prefix_type, :instance_writer => false @@primary_key_prefix_type = nil ## # :singleton-method: - # Accessor for the name of the prefix string to prepend to every table name. So if set to "basecamp_", all - # table names will be named like "basecamp_projects", "basecamp_people", etc. This is a convenient way of creating a namespace - # for tables in a shared database. By default, the prefix is the empty string. + # Accessor for the name of the prefix string to prepend to every table name. So if set + # to "basecamp_", all table names will be named like "basecamp_projects", "basecamp_people", + # etc. This is a convenient way of creating a namespace for tables in a shared database. + # By default, the prefix is the empty string. # - # If you are organising your models within modules you can add a prefix to the models within a namespace by defining - # a singleton method in the parent module called table_name_prefix which returns your chosen prefix. + # If you are organising your models within modules you can add a prefix to the models within + # a namespace by defining a singleton method in the parent module called table_name_prefix which + # returns your chosen prefix. class_attribute :table_name_prefix, :instance_writer => false self.table_name_prefix = "" @@ -358,8 +398,8 @@ module ActiveRecord #:nodoc: ## # :singleton-method: - # Determines whether to use Time.local (using :local) or Time.utc (using :utc) when pulling dates and times from the database. - # This is set to :local by default. + # Determines whether to use Time.local (using :local) or Time.utc (using :utc) when pulling + # dates and times from the database. This is set to :local by default. cattr_accessor :default_timezone, :instance_writer => false @@default_timezone = :local @@ -398,7 +438,7 @@ module ActiveRecord #:nodoc: delegate :find, :first, :last, :all, :destroy, :destroy_all, :exists?, :delete, :delete_all, :update, :update_all, :to => :scoped delegate :find_each, :find_in_batches, :to => :scoped - delegate :select, :group, :order, :limit, :joins, :where, :preload, :eager_load, :includes, :from, :lock, :readonly, :having, :create_with, :to => :scoped + delegate :select, :group, :order, :reorder, :limit, :joins, :where, :preload, :eager_load, :includes, :from, :lock, :readonly, :having, :create_with, :to => :scoped delegate :count, :average, :minimum, :maximum, :sum, :calculate, :to => :scoped # Executes a custom SQL query against your database and returns all the results. The results will @@ -476,7 +516,8 @@ module ActiveRecord #:nodoc: connection.select_value(sql, "#{name} Count").to_i end - # Attributes listed as readonly can be set for a new record, but will be ignored in database updates afterwards. + # Attributes listed as readonly will be used to create a new record but update operations will + # ignore these fields. def attr_readonly(*attributes) write_inheritable_attribute(:attr_readonly, Set.new(attributes.map(&:to_s)) + (readonly_attributes || [])) end @@ -505,15 +546,18 @@ module ActiveRecord #:nodoc: serialized_attributes[attr_name.to_s] = class_name end - # Returns a hash of all the attributes that have been specified for serialization as keys and their class restriction as values. + # Returns a hash of all the attributes that have been specified for serialization as + # keys and their class restriction as values. def serialized_attributes read_inheritable_attribute(:attr_serialized) or write_inheritable_attribute(:attr_serialized, {}) end - # Guesses the table name (in forced lower-case) based on the name of the class in the inheritance hierarchy descending - # directly from ActiveRecord::Base. So if the hierarchy looks like: Reply < Message < ActiveRecord::Base, then Message is used - # to guess the table name even when called on Reply. The rules used to do the guess are handled by the Inflector class - # in Active Support, which knows almost all common English inflections. You can add new inflections in config/initializers/inflections.rb. + # Guesses the table name (in forced lower-case) based on the name of the class in the + # inheritance hierarchy descending directly from ActiveRecord::Base. So if the hierarchy + # looks like: Reply < Message < ActiveRecord::Base, then Message is used + # to guess the table name even when called on Reply. The rules used to do the guess + # are handled by the Inflector class in Active Support, which knows almost all common + # English inflections. You can add new inflections in config/initializers/inflections.rb. # # Nested classes are given table names prefixed by the singular form of # the parent's table name. Enclosing modules are not considered. @@ -561,8 +605,8 @@ module ActiveRecord #:nodoc: (parents.detect{ |p| p.respond_to?(:table_name_prefix) } || self).table_name_prefix end - # Defines the column name for use with single table inheritance - # -- can be set in subclasses like so: self.inheritance_column = "type_id" + # Defines the column name for use with single table inheritance. Use + # <tt>set_inheritance_column</tt> to set a different value. def inheritance_column @inheritance_column ||= "type".freeze end @@ -579,8 +623,8 @@ module ActiveRecord #:nodoc: default end - # Sets the table name to use to the given value, or (if the value - # is nil or false) to the value returned by the given block. + # Sets the table name. If the value is nil or false then the value returned by the given + # block is used. # # class Project < ActiveRecord::Base # set_table_name "project" @@ -803,7 +847,7 @@ module ActiveRecord #:nodoc: end def arel_table - @arel_table ||= Arel::Table.new(table_name, :engine => arel_engine) + @arel_table ||= Arel::Table.new(table_name, arel_engine) end def arel_engine @@ -923,15 +967,15 @@ module ActiveRecord #:nodoc: end end - # Enables dynamic finders like <tt>find_by_user_name(user_name)</tt> and <tt>find_by_user_name_and_password(user_name, password)</tt> - # that are turned into <tt>where(:user_name => user_name).first</tt> and <tt>where(:user_name => user_name, :password => :password).first</tt> - # respectively. Also works for <tt>all</tt> by using <tt>find_all_by_amount(50)</tt> that is turned into <tt>where(:amount => 50).all</tt>. + # Enables dynamic finders like <tt>User.find_by_user_name(user_name)</tt> and + # <tt>User.scoped_by_user_name(user_name). Refer to Dynamic attribute-based finders + # section at the top of this file for more detailed information. # - # It's even possible to use all the additional parameters to +find+. For example, the full interface for +find_all_by_amount+ - # is actually <tt>find_all_by_amount(amount, options)</tt>. + # It's even possible to use all the additional parameters to +find+. For example, the + # full interface for +find_all_by_amount+ is actually <tt>find_all_by_amount(amount, options)</tt>. # - # Each dynamic finder, scope or initializer/creator is also defined in the class after it is first invoked, so that future - # attempts to use it do not run through method_missing. + # Each dynamic finder using <tt>scoped_by_*</tt> is also defined in the class after it + # is first invoked, so that future attempts to use it do not run through method_missing. def method_missing(method_id, *arguments, &block) if match = DynamicFinderMatch.match(method_id) attribute_names = match.attribute_names @@ -991,8 +1035,8 @@ module ActiveRecord #:nodoc: end protected - # Scope parameters to method calls within the block. Takes a hash of method_name => parameters hash. - # method_name may be <tt>:find</tt> or <tt>:create</tt>. <tt>:find</tt> parameter is <tt>Relation</tt> while + # with_scope lets you apply options to inner block incrementally. It takes a hash and the keys must be + # <tt>:find</tt> or <tt>:create</tt>. <tt>:find</tt> parameter is <tt>Relation</tt> while # <tt>:create</tt> parameters are an attributes hash. # # class Article < ActiveRecord::Base @@ -1030,15 +1074,14 @@ module ActiveRecord #:nodoc: # class Article < ActiveRecord::Base # def self.find_with_exclusive_scope # with_scope(:find => where(:blog_id => 1).limit(1)) do - # with_exclusive_scope(:find => limit(10)) + # with_exclusive_scope(:find => limit(10)) do # all # => SELECT * from articles LIMIT 10 # end # end # end # end # - # *Note*: the +:find+ scope also has effect on update and deletion methods, - # like +update_all+ and +delete_all+. + # *Note*: the +:find+ scope also has effect on update and deletion methods, like +update_all+ and +delete_all+. def with_scope(method_scoping = {}, action = :merge, &block) method_scoping = method_scoping.method_scoping if method_scoping.respond_to?(:method_scoping) @@ -1255,6 +1298,8 @@ MSG replace_named_bind_variables(statement, values.first) elsif statement.include?('?') replace_bind_variables(statement, values) + elsif statement.blank? + statement else statement % values.collect { |value| connection.quote_string(value.to_s) } end @@ -1355,7 +1400,7 @@ MSG # as it copies the object's attributes only, not its associations. The extent of a "deep" clone is # application specific and is therefore left to the application to implement according to its need. def initialize_copy(other) - callback(:after_initialize) if respond_to_without_attributes?(:after_initialize) + _run_after_initialize_callbacks if respond_to?(:_run_after_initialize_callbacks) cloned_attributes = other.clone_attributes(:read_attribute_before_type_cast) cloned_attributes.delete(self.class.primary_key) @@ -1471,7 +1516,7 @@ MSG # user.send(:attributes=, { :username => 'Phusion', :is_admin => true }, false) # user.is_admin? # => true def attributes=(new_attributes, guard_protected_attributes = true) - return unless new_attributes.is_a? Hash + return unless new_attributes.is_a?(Hash) attributes = new_attributes.stringify_keys multi_parameter_attributes = [] @@ -1605,10 +1650,11 @@ MSG private - # Sets the attribute used for single table inheritance to this class name if this is not the ActiveRecord::Base descendant. - # Considering the hierarchy Reply < Message < ActiveRecord::Base, this makes it possible to do Reply.new without having to - # set <tt>Reply[Reply.inheritance_column] = "Reply"</tt> yourself. No such attribute would be set for objects of the - # Message class in that example. + # Sets the attribute used for single table inheritance to this class name if this is not the + # ActiveRecord::Base descendant. + # Considering the hierarchy Reply < Message < ActiveRecord::Base, this makes it possible to + # do Reply.new without having to set <tt>Reply[Reply.inheritance_column] = "Reply"</tt> yourself. + # No such attribute would be set for objects of the Message class in that example. def ensure_proper_type unless self.class.descends_from_active_record? write_attribute(self.class.inheritance_column, self.class.sti_name) @@ -1657,8 +1703,9 @@ MSG # by calling new on the column type or aggregation type (through composed_of) object with these parameters. # So having the pairs written_on(1) = "2004", written_on(2) = "6", written_on(3) = "24", will instantiate # written_on (a date type) with Date.new("2004", "6", "24"). You can also specify a typecast character in the - # parentheses to have the parameters typecasted before they're used in the constructor. Use i for Fixnum, f for Float, - # s for String, and a for Array. If all the values for a given attribute are empty, the attribute will be set to nil. + # parentheses to have the parameters typecasted before they're used in the constructor. Use i for Fixnum, + # f for Float, s for String, and a for Array. If all the values for a given attribute are empty, the + # attribute will be set to nil. def assign_multiparameter_attributes(pairs) execute_callstack_for_multiparameter_attributes( extract_callstack_for_multiparameter_attributes(pairs) diff --git a/activerecord/lib/active_record/callbacks.rb b/activerecord/lib/active_record/callbacks.rb index 637dac450b..aa92bf999f 100644 --- a/activerecord/lib/active_record/callbacks.rb +++ b/activerecord/lib/active_record/callbacks.rb @@ -26,8 +26,8 @@ module ActiveRecord # <tt>after_rollback</tt>. # # That's a total of ten callbacks, which gives you immense power to react and prepare for each state in the - # Active Record lifecycle. The sequence for calling <tt>Base#save</tt> for an existing record is similar, except that each - # <tt>_on_create</tt> callback is replaced by the corresponding <tt>_on_update</tt> callback. + # Active Record lifecycle. The sequence for calling <tt>Base#save</tt> for an existing record is similar, + # except that each <tt>_on_create</tt> callback is replaced by the corresponding <tt>_on_update</tt> callback. # # Examples: # class CreditCard < ActiveRecord::Base @@ -55,9 +55,9 @@ module ActiveRecord # # == Inheritable callback queues # - # Besides the overwritable callback methods, it's also possible to register callbacks through the use of the callback macros. - # Their main advantage is that the macros add behavior into a callback queue that is kept intact down through an inheritance - # hierarchy. Example: + # Besides the overwritable callback methods, it's also possible to register callbacks through the + # use of the callback macros. Their main advantage is that the macros add behavior into a callback + # queue that is kept intact down through an inheritance hierarchy. # # class Topic < ActiveRecord::Base # before_destroy :destroy_author @@ -67,9 +67,9 @@ module ActiveRecord # before_destroy :destroy_readers # end # - # Now, when <tt>Topic#destroy</tt> is run only +destroy_author+ is called. When <tt>Reply#destroy</tt> is run, both +destroy_author+ and - # +destroy_readers+ are called. Contrast this to the situation where we've implemented the save behavior through overwriteable - # methods: + # Now, when <tt>Topic#destroy</tt> is run only +destroy_author+ is called. When <tt>Reply#destroy</tt> is + # run, both +destroy_author+ and +destroy_readers+ are called. Contrast this to the following situation + # where the +before_destroy+ methis is overriden: # # class Topic < ActiveRecord::Base # def before_destroy() destroy_author end @@ -79,20 +79,21 @@ module ActiveRecord # def before_destroy() destroy_readers end # end # - # In that case, <tt>Reply#destroy</tt> would only run +destroy_readers+ and _not_ +destroy_author+. So, use the callback macros when - # you want to ensure that a certain callback is called for the entire hierarchy, and use the regular overwriteable methods - # when you want to leave it up to each descendant to decide whether they want to call +super+ and trigger the inherited callbacks. + # In that case, <tt>Reply#destroy</tt> would only run +destroy_readers+ and _not_ +destroy_author+. + # So, use the callback macros when you want to ensure that a certain callback is called for the entire + # hierarchy, and use the regular overwriteable methods when you want to leave it up to each descendant + # to decide whether they want to call +super+ and trigger the inherited callbacks. # - # *IMPORTANT:* In order for inheritance to work for the callback queues, you must specify the callbacks before specifying the - # associations. Otherwise, you might trigger the loading of a child before the parent has registered the callbacks and they won't - # be inherited. + # *IMPORTANT:* In order for inheritance to work for the callback queues, you must specify the + # callbacks before specifying the associations. Otherwise, you might trigger the loading of a + # child before the parent has registered the callbacks and they won't be inherited. # # == Types of callbacks # # There are four types of callbacks accepted by the callback macros: Method references (symbol), callback objects, - # inline methods (using a proc), and inline eval methods (using a string). Method references and callback objects are the - # recommended approaches, inline methods using a proc are sometimes appropriate (such as for creating mix-ins), and inline - # eval methods are deprecated. + # inline methods (using a proc), and inline eval methods (using a string). Method references and callback objects + # are the recommended approaches, inline methods using a proc are sometimes appropriate (such as for + # creating mix-ins), and inline eval methods are deprecated. # # The method reference callbacks work by specifying a protected or private method available in the object, like this: # @@ -169,15 +170,15 @@ module ActiveRecord # end # end # - # The callback macros usually accept a symbol for the method they're supposed to run, but you can also pass a "method string", - # which will then be evaluated within the binding of the callback. Example: + # The callback macros usually accept a symbol for the method they're supposed to run, but you can also + # pass a "method string", which will then be evaluated within the binding of the callback. Example: # # class Topic < ActiveRecord::Base # before_destroy 'self.class.delete_all "parent_id = #{id}"' # end # - # Notice that single quotes (') are used so the <tt>#{id}</tt> part isn't evaluated until the callback is triggered. Also note that these - # inline callbacks can be stacked just like the regular ones: + # Notice that single quotes (') are used so the <tt>#{id}</tt> part isn't evaluated until the callback + # is triggered. Also note that these inline callbacks can be stacked just like the regular ones: # # class Topic < ActiveRecord::Base # before_destroy 'self.class.delete_all "parent_id = #{id}"', @@ -186,22 +187,24 @@ module ActiveRecord # # == The +after_find+ and +after_initialize+ exceptions # - # Because +after_find+ and +after_initialize+ are called for each object found and instantiated by a finder, such as <tt>Base.find(:all)</tt>, we've had - # to implement a simple performance constraint (50% more speed on a simple test case). Unlike all the other callbacks, +after_find+ and - # +after_initialize+ will only be run if an explicit implementation is defined (<tt>def after_find</tt>). In that case, all of the + # Because +after_find+ and +after_initialize+ are called for each object found and instantiated by a finder, + # such as <tt>Base.find(:all)</tt>, we've had to implement a simple performance constraint (50% more speed + # on a simple test case). Unlike all the other callbacks, +after_find+ and +after_initialize+ will only be + # run if an explicit implementation is defined (<tt>def after_find</tt>). In that case, all of the # callback types will be called. # # == <tt>before_validation*</tt> returning statements # - # If the returning value of a +before_validation+ callback can be evaluated to +false+, the process will be aborted and <tt>Base#save</tt> will return +false+. - # If Base#save! is called it will raise a ActiveRecord::RecordInvalid exception. - # Nothing will be appended to the errors object. + # If the returning value of a +before_validation+ callback can be evaluated to +false+, the process will be + # aborted and <tt>Base#save</tt> will return +false+. If Base#save! is called it will raise a + # ActiveRecord::RecordInvalid exception. Nothing will be appended to the errors object. # # == Canceling callbacks # - # If a <tt>before_*</tt> callback returns +false+, all the later callbacks and the associated action are cancelled. If an <tt>after_*</tt> callback returns - # +false+, all the later callbacks are cancelled. Callbacks are generally run in the order they are defined, with the exception of callbacks - # defined as methods on the model, which are called last. + # If a <tt>before_*</tt> callback returns +false+, all the later callbacks and the associated action are + # cancelled. If an <tt>after_*</tt> callback returns +false+, all the later callbacks are cancelled. + # Callbacks are generally run in the order they are defined, with the exception of callbacks defined as + # methods on the model, which are called last. # # == Transactions # @@ -217,7 +220,8 @@ module ActiveRecord # # == Debugging callbacks # - # To list the methods and procs registered with a particular callback, append <tt>_callback_chain</tt> to the callback name that you wish to list and send that to your class from the Rails console: + # To list the methods and procs registered with a particular callback, append <tt>_callback_chain</tt> to + # the callback name that you wish to list and send that to your class from the Rails console: # # >> Topic.after_save_callback_chain # => [#<ActiveSupport::Callbacks::Callback:0x3f6a448 @@ -228,7 +232,7 @@ module ActiveRecord extend ActiveSupport::Concern CALLBACKS = [ - :after_initialize, :after_find, :before_validation, :after_validation, + :after_initialize, :after_find, :after_touch, :before_validation, :after_validation, :before_save, :around_save, :after_save, :before_create, :around_create, :after_create, :before_update, :around_update, :after_update, :before_destroy, :around_destroy, :after_destroy @@ -238,7 +242,7 @@ module ActiveRecord extend ActiveModel::Callbacks include ActiveModel::Validations::Callbacks - define_model_callbacks :initialize, :find, :only => :after + define_model_callbacks :initialize, :find, :touch, :only => :after define_model_callbacks :save, :create, :update, :destroy end @@ -256,6 +260,10 @@ module ActiveRecord _run_destroy_callbacks { super } end + def touch(*) #:nodoc: + _run_touch_callbacks { super } + end + def deprecated_callback_method(symbol) #:nodoc: if respond_to?(symbol, true) ActiveSupport::Deprecation.warn("Overwriting #{symbol} in your models has been deprecated, please use Base##{symbol} :method_name instead") diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb index c2d79a421d..02a8f4e214 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -103,8 +103,8 @@ module ActiveRecord # Signal that the thread is finished with the current connection. # #release_connection releases the connection-thread association # and returns the connection to the pool. - def release_connection - conn = @reserved_connections.delete(current_connection_id) + def release_connection(with_id = current_connection_id) + conn = @reserved_connections.delete(with_id) checkin conn if conn end @@ -112,10 +112,11 @@ module ActiveRecord # exists checkout a connection, yield it to the block, and checkin the # connection when finished. def with_connection - fresh_connection = true unless @reserved_connections[current_connection_id] + connection_id = current_connection_id + fresh_connection = true unless @reserved_connections[connection_id] yield connection ensure - release_connection if fresh_connection + release_connection(connection_id) if fresh_connection end # Returns true if a connection has already been opened. @@ -161,8 +162,13 @@ module ActiveRecord # Return any checked-out connections back to the pool by threads that # are no longer alive. def clear_stale_cached_connections! - remove_stale_cached_threads!(@reserved_connections) do |name, conn| - checkin conn + keys = @reserved_connections.keys - Thread.list.find_all { |t| + t.alive? + }.map { |thread| thread.object_id } + + keys.each do |key| + checkin @reserved_connections[key] + @reserved_connections.delete(key) end end @@ -232,20 +238,6 @@ module ActiveRecord Thread.current.object_id end - # Remove stale threads from the cache. - def remove_stale_cached_threads!(cache, &block) - keys = Set.new(cache.keys) - - Thread.list.each do |thread| - keys.delete(thread.object_id) if thread.alive? - end - keys.each do |key| - next unless cache.has_key?(key) - block.call(key, cache[key]) - cache.delete(key) - end - end - def checkout_new_connection c = new_connection @connections << c @@ -290,14 +282,12 @@ module ActiveRecord # ActiveRecord::Base.connection_handler. Active Record models use this to # determine that connection pool that they should use. class ConnectionHandler + attr_reader :connection_pools + def initialize(pools = {}) @connection_pools = pools end - def connection_pools - @connection_pools ||= {} - end - def establish_connection(name, spec) @connection_pools[name] = ConnectionAdapters::ConnectionPool.new(spec) end @@ -345,9 +335,11 @@ module ActiveRecord # re-establishing the connection. def remove_connection(klass) pool = @connection_pools[klass.name] + return nil unless pool + @connection_pools.delete_if { |key, value| value == pool } - pool.disconnect! if pool - pool.spec.config if pool + pool.disconnect! + pool.spec.config end def retrieve_connection_pool(klass) diff --git a/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb b/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb index 23c42d670b..8e74eff0ab 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb @@ -66,15 +66,9 @@ module ActiveRecord unless spec.key?(:adapter) then raise AdapterNotSpecified, "database configuration does not specify adapter" end begin - require 'rubygems' - gem "activerecord-#{spec[:adapter]}-adapter" require "active_record/connection_adapters/#{spec[:adapter]}_adapter" rescue LoadError - begin - require "active_record/connection_adapters/#{spec[:adapter]}_adapter" - rescue LoadError - raise "Please install the #{spec[:adapter]} adapter: `gem install activerecord-#{spec[:adapter]}-adapter` (#{$!})" - end + raise "Please install the #{spec[:adapter]} adapter: `gem install activerecord-#{spec[:adapter]}-adapter` (#{$!})" end adapter_method = "#{spec[:adapter]}_connection" diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb index 4118ea7b31..a130c330dd 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb @@ -42,7 +42,7 @@ module ActiveRecord 65535 end - # the maximum length of a SQL query + # the maximum length of an SQL query def sql_query_length 1048575 end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb index d7b5bf8e31..e2b3773a99 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb @@ -30,7 +30,7 @@ module ActiveRecord if value.acts_like?(:date) || value.acts_like?(:time) "'#{quoted_date(value)}'" else - "'#{quote_string(value.to_yaml)}'" + "'#{quote_string(value.to_s)}'" end end end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb index 7691b6a788..9118ceb33c 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -23,7 +23,8 @@ module ActiveRecord # # +name+ is the column's name, such as <tt>supplier_id</tt> in <tt>supplier_id int(11)</tt>. # +default+ is the type-casted default value, such as +new+ in <tt>sales_stage varchar(20) default 'new'</tt>. - # +sql_type+ is used to extract the column's length, if necessary. For example +60+ in <tt>company_name varchar(60)</tt>. + # +sql_type+ is used to extract the column's length, if necessary. For example +60+ in + # <tt>company_name varchar(60)</tt>. # It will be mapped to one of the standard Rails SQL types in the <tt>type</tt> attribute. # +null+ determines if this column allows +NULL+ values. def initialize(name, default, sql_type = nil, null = true) @@ -359,7 +360,8 @@ module ActiveRecord # # Available options are (none of these exists by default): # * <tt>:limit</tt> - - # Requests a maximum column length. This is number of characters for <tt>:string</tt> and <tt>:text</tt> columns and number of bytes for :binary and :integer columns. + # Requests a maximum column length. This is number of characters for <tt>:string</tt> and + # <tt>:text</tt> columns and number of bytes for :binary and :integer columns. # * <tt>:default</tt> - # The column's default value. Use nil for NULL. # * <tt>:null</tt> - @@ -462,8 +464,8 @@ module ActiveRecord # TableDefinition#timestamps that'll add created_at and +updated_at+ as datetimes. # # TableDefinition#references will add an appropriately-named _id column, plus a corresponding _type - # column if the <tt>:polymorphic</tt> option is supplied. If <tt>:polymorphic</tt> is a hash of options, these will be - # used when creating the <tt>_type</tt> column. So what can be written like this: + # column if the <tt>:polymorphic</tt> option is supplied. If <tt>:polymorphic</tt> is a hash of + # options, these will be used when creating the <tt>_type</tt> column. So what can be written like this: # # create_table :taggings do |t| # t.integer :tag_id, :tagger_id, :taggable_id @@ -535,7 +537,7 @@ module ActiveRecord end end - # Represents a SQL table in an abstract way for updating a table. + # Represents an SQL table in an abstract way for updating a table. # Also see TableDefinition and SchemaStatements#create_table # # Available transformations are: diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb index ffc3847a31..7dee68502f 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -327,6 +327,8 @@ module ActiveRecord # # Note: SQLite doesn't support index length def add_index(table_name, column_name, options = {}) + options[:name] = options[:name].to_s if options.key?(:name) + column_names = Array.wrap(column_name) index_name = index_name(table_name, :column => column_names) diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index be8d1bd76b..d8c92d0ad3 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -36,14 +36,12 @@ module ActiveRecord define_callbacks :checkout, :checkin - @@row_even = true - def initialize(connection, logger = nil) #:nodoc: @active = nil @connection, @logger = connection, logger - @runtime = 0 @query_cache_enabled = false @query_cache = {} + @instrumenter = ActiveSupport::Notifications.instrumenter end # Returns the human-readable name of the adapter. Use mixed case - one @@ -92,11 +90,6 @@ module ActiveRecord false end - def reset_runtime #:nodoc: - rt, @runtime = @runtime, 0 - rt - end - # QUOTING ================================================== # Override to return the quoted table name. Defaults to column quoting. @@ -199,12 +192,10 @@ module ActiveRecord def log(sql, name) name ||= "SQL" - result = nil - ActiveSupport::Notifications.instrument("sql.active_record", - :sql => sql, :name => name, :connection_id => self.object_id) do - @runtime += Benchmark.ms { result = yield } + @instrumenter.instrument("sql.active_record", + :sql => sql, :name => name, :connection_id => object_id) do + yield end - result rescue Exception => e message = "#{e.class.name}: #{e.message}: #{sql}" @logger.debug message if @logger diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb new file mode 100644 index 0000000000..568759775b --- /dev/null +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -0,0 +1,639 @@ +# encoding: utf-8 + +require 'mysql2' unless defined? Mysql2 + +module ActiveRecord + class Base + def self.mysql2_connection(config) + config[:username] = 'root' if config[:username].nil? + client = Mysql2::Client.new(config.symbolize_keys) + options = [config[:host], config[:username], config[:password], config[:database], config[:port], config[:socket], 0] + ConnectionAdapters::Mysql2Adapter.new(client, logger, options, config) + end + end + + module ConnectionAdapters + class Mysql2Column < Column + BOOL = "tinyint(1)" + def extract_default(default) + if sql_type =~ /blob/i || type == :text + if default.blank? + return null ? nil : '' + else + raise ArgumentError, "#{type} columns cannot have a default value: #{default.inspect}" + end + elsif missing_default_forged_as_empty_string?(default) + nil + else + super + end + end + + def has_default? + return false if sql_type =~ /blob/i || type == :text #mysql forbids defaults on blob and text columns + super + end + + # Returns the Ruby class that corresponds to the abstract data type. + def klass + case type + when :integer then Fixnum + when :float then Float + when :decimal then BigDecimal + when :datetime then Time + when :date then Date + when :timestamp then Time + when :time then Time + when :text, :string then String + when :binary then String + when :boolean then Object + end + end + + def type_cast(value) + return nil if value.nil? + case type + when :string then value + when :text then value + when :integer then value.to_i rescue value ? 1 : 0 + when :float then value.to_f # returns self if it's already a Float + when :decimal then self.class.value_to_decimal(value) + when :datetime, :timestamp then value.class == Time ? value : self.class.string_to_time(value) + when :time then value.class == Time ? value : self.class.string_to_dummy_time(value) + when :date then value.class == Date ? value : self.class.string_to_date(value) + when :binary then value + when :boolean then self.class.value_to_boolean(value) + else value + end + end + + def type_cast_code(var_name) + case type + when :string then nil + when :text then nil + when :integer then "#{var_name}.to_i rescue #{var_name} ? 1 : 0" + when :float then "#{var_name}.to_f" + when :decimal then "#{self.class.name}.value_to_decimal(#{var_name})" + when :datetime, :timestamp then "#{var_name}.class == Time ? #{var_name} : #{self.class.name}.string_to_time(#{var_name})" + when :time then "#{var_name}.class == Time ? #{var_name} : #{self.class.name}.string_to_dummy_time(#{var_name})" + when :date then "#{var_name}.class == Date ? #{var_name} : #{self.class.name}.string_to_date(#{var_name})" + when :binary then nil + when :boolean then "#{self.class.name}.value_to_boolean(#{var_name})" + else nil + end + end + + private + def simplified_type(field_type) + return :boolean if Mysql2Adapter.emulate_booleans && field_type.downcase.index(BOOL) + return :string if field_type =~ /enum/i or field_type =~ /set/i + return :integer if field_type =~ /year/i + return :binary if field_type =~ /bit/i + super + end + + def extract_limit(sql_type) + case sql_type + when /blob|text/i + case sql_type + when /tiny/i + 255 + when /medium/i + 16777215 + when /long/i + 2147483647 # mysql only allows 2^31-1, not 2^32-1, somewhat inconsistently with the tiny/medium/normal cases + else + super # we could return 65535 here, but we leave it undecorated by default + end + when /^bigint/i; 8 + when /^int/i; 4 + when /^mediumint/i; 3 + when /^smallint/i; 2 + when /^tinyint/i; 1 + else + super + end + end + + # MySQL misreports NOT NULL column default when none is given. + # We can't detect this for columns which may have a legitimate '' + # default (string) but we can for others (integer, datetime, boolean, + # and the rest). + # + # Test whether the column has default '', is not null, and is not + # a type allowing default ''. + def missing_default_forged_as_empty_string?(default) + type != :string && !null && default == '' + end + end + + class Mysql2Adapter < AbstractAdapter + cattr_accessor :emulate_booleans + self.emulate_booleans = true + + ADAPTER_NAME = 'Mysql2' + PRIMARY = "PRIMARY" + + LOST_CONNECTION_ERROR_MESSAGES = [ + "Server shutdown in progress", + "Broken pipe", + "Lost connection to MySQL server during query", + "MySQL server has gone away" ] + + QUOTED_TRUE, QUOTED_FALSE = '1', '0' + + NATIVE_DATABASE_TYPES = { + :primary_key => "int(11) DEFAULT NULL auto_increment PRIMARY KEY", + :string => { :name => "varchar", :limit => 255 }, + :text => { :name => "text" }, + :integer => { :name => "int", :limit => 4 }, + :float => { :name => "float" }, + :decimal => { :name => "decimal" }, + :datetime => { :name => "datetime" }, + :timestamp => { :name => "datetime" }, + :time => { :name => "time" }, + :date => { :name => "date" }, + :binary => { :name => "blob" }, + :boolean => { :name => "tinyint", :limit => 1 } + } + + def initialize(connection, logger, connection_options, config) + super(connection, logger) + @connection_options, @config = connection_options, config + @quoted_column_names, @quoted_table_names = {}, {} + configure_connection + end + + def adapter_name + ADAPTER_NAME + end + + def supports_migrations? + true + end + + def supports_primary_key? + true + end + + def supports_savepoints? + true + end + + def native_database_types + NATIVE_DATABASE_TYPES + end + + # QUOTING ================================================== + + def quote(value, column = nil) + if value.kind_of?(String) && column && column.type == :binary && column.class.respond_to?(:string_to_binary) + s = column.class.string_to_binary(value).unpack("H*")[0] + "x'#{s}'" + elsif value.kind_of?(BigDecimal) + value.to_s("F") + else + super + end + end + + def quote_column_name(name) #:nodoc: + @quoted_column_names[name] ||= "`#{name}`" + end + + def quote_table_name(name) #:nodoc: + @quoted_table_names[name] ||= quote_column_name(name).gsub('.', '`.`') + end + + def quote_string(string) + @connection.escape(string) + end + + def quoted_true + QUOTED_TRUE + end + + def quoted_false + QUOTED_FALSE + end + + # REFERENTIAL INTEGRITY ==================================== + + def disable_referential_integrity(&block) #:nodoc: + old = select_value("SELECT @@FOREIGN_KEY_CHECKS") + + begin + update("SET FOREIGN_KEY_CHECKS = 0") + yield + ensure + update("SET FOREIGN_KEY_CHECKS = #{old}") + end + end + + # CONNECTION MANAGEMENT ==================================== + + def active? + return false unless @connection + @connection.query 'select 1' + true + rescue Mysql2::Error + false + end + + def reconnect! + disconnect! + connect + end + + # this is set to true in 2.3, but we don't want it to be + def requires_reloading? + false + end + + def disconnect! + unless @connection.nil? + @connection.close + @connection = nil + end + end + + def reset! + disconnect! + connect + end + + # DATABASE STATEMENTS ====================================== + + # FIXME: re-enable the following once a "better" query_cache solution is in core + # + # The overrides below perform much better than the originals in AbstractAdapter + # because we're able to take advantage of mysql2's lazy-loading capabilities + # + # # Returns a record hash with the column names as keys and column values + # # as values. + # def select_one(sql, name = nil) + # result = execute(sql, name) + # result.each(:as => :hash) do |r| + # return r + # end + # end + # + # # Returns a single value from a record + # def select_value(sql, name = nil) + # result = execute(sql, name) + # if first = result.first + # first.first + # end + # end + # + # # Returns an array of the values of the first column in a select: + # # select_values("SELECT id FROM companies LIMIT 3") => [1,2,3] + # def select_values(sql, name = nil) + # execute(sql, name).map { |row| row.first } + # end + + # Returns an array of arrays containing the field values. + # Order is the same as that returned by +columns+. + def select_rows(sql, name = nil) + execute(sql, name).to_a + end + + # Executes the SQL statement in the context of this connection. + def execute(sql, name = nil) + # make sure we carry over any changes to ActiveRecord::Base.default_timezone that have been + # made since we established the connection + @connection.query_options[:database_timezone] = ActiveRecord::Base.default_timezone + if name == :skip_logging + @connection.query(sql) + else + log(sql, name) { @connection.query(sql) } + end + rescue ActiveRecord::StatementInvalid => exception + if exception.message.split(":").first =~ /Packets out of order/ + raise ActiveRecord::StatementInvalid, "'Packets out of order' error was received from the database. Please update your mysql bindings (gem install mysql) and read http://dev.mysql.com/doc/mysql/en/password-hashing.html for more information. If you're on Windows, use the Instant Rails installer to get the updated mysql bindings." + else + raise + end + end + + def insert_sql(sql, name = nil, pk = nil, id_value = nil, sequence_name = nil) + super + id_value || @connection.last_id + end + alias :create :insert_sql + + def update_sql(sql, name = nil) + super + @connection.affected_rows + end + + def begin_db_transaction + execute "BEGIN" + rescue Exception + # Transactions aren't supported + end + + def commit_db_transaction + execute "COMMIT" + rescue Exception + # Transactions aren't supported + end + + def rollback_db_transaction + execute "ROLLBACK" + rescue Exception + # Transactions aren't supported + end + + def create_savepoint + execute("SAVEPOINT #{current_savepoint_name}") + end + + def rollback_to_savepoint + execute("ROLLBACK TO SAVEPOINT #{current_savepoint_name}") + end + + def release_savepoint + execute("RELEASE SAVEPOINT #{current_savepoint_name}") + end + + def add_limit_offset!(sql, options) + limit, offset = options[:limit], options[:offset] + if limit && offset + sql << " LIMIT #{offset.to_i}, #{sanitize_limit(limit)}" + elsif limit + sql << " LIMIT #{sanitize_limit(limit)}" + elsif offset + sql << " OFFSET #{offset.to_i}" + end + sql + end + + # SCHEMA STATEMENTS ======================================== + + def structure_dump + if supports_views? + sql = "SHOW FULL TABLES WHERE Table_type = 'BASE TABLE'" + else + sql = "SHOW TABLES" + end + + select_all(sql).inject("") do |structure, table| + table.delete('Table_type') + structure += select_one("SHOW CREATE TABLE #{quote_table_name(table.to_a.first.last)}")["Create Table"] + ";\n\n" + end + end + + def recreate_database(name, options = {}) + drop_database(name) + create_database(name, options) + end + + # Create a new MySQL database with optional <tt>:charset</tt> and <tt>:collation</tt>. + # Charset defaults to utf8. + # + # Example: + # create_database 'charset_test', :charset => 'latin1', :collation => 'latin1_bin' + # create_database 'matt_development' + # create_database 'matt_development', :charset => :big5 + def create_database(name, options = {}) + if options[:collation] + execute "CREATE DATABASE `#{name}` DEFAULT CHARACTER SET `#{options[:charset] || 'utf8'}` COLLATE `#{options[:collation]}`" + else + execute "CREATE DATABASE `#{name}` DEFAULT CHARACTER SET `#{options[:charset] || 'utf8'}`" + end + end + + def drop_database(name) #:nodoc: + execute "DROP DATABASE IF EXISTS `#{name}`" + end + + def current_database + select_value 'SELECT DATABASE() as db' + end + + # Returns the database character set. + def charset + show_variable 'character_set_database' + end + + # Returns the database collation strategy. + def collation + show_variable 'collation_database' + end + + def tables(name = nil) + tables = [] + execute("SHOW TABLES", name).each do |field| + tables << field.first + end + tables + end + + def drop_table(table_name, options = {}) + super(table_name, options) + end + + def indexes(table_name, name = nil) + indexes = [] + current_index = nil + result = execute("SHOW KEYS FROM #{quote_table_name(table_name)}", name) + result.each(:symbolize_keys => true, :as => :hash) do |row| + if current_index != row[:Key_name] + next if row[:Key_name] == PRIMARY # skip the primary key + current_index = row[:Key_name] + indexes << IndexDefinition.new(row[:Table], row[:Key_name], row[:Non_unique] == 0, []) + end + + indexes.last.columns << row[:Column_name] + end + indexes + end + + def columns(table_name, name = nil) + sql = "SHOW FIELDS FROM #{quote_table_name(table_name)}" + columns = [] + result = execute(sql, :skip_logging) + result.each(:symbolize_keys => true, :as => :hash) { |field| + columns << Mysql2Column.new(field[:Field], field[:Default], field[:Type], field[:Null] == "YES") + } + columns + end + + def create_table(table_name, options = {}) + super(table_name, options.reverse_merge(:options => "ENGINE=InnoDB")) + end + + def rename_table(table_name, new_name) + execute "RENAME TABLE #{quote_table_name(table_name)} TO #{quote_table_name(new_name)}" + end + + def add_column(table_name, column_name, type, options = {}) + add_column_sql = "ALTER TABLE #{quote_table_name(table_name)} ADD #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}" + add_column_options!(add_column_sql, options) + add_column_position!(add_column_sql, options) + execute(add_column_sql) + end + + def change_column_default(table_name, column_name, default) + column = column_for(table_name, column_name) + change_column table_name, column_name, column.sql_type, :default => default + end + + def change_column_null(table_name, column_name, null, default = nil) + column = column_for(table_name, column_name) + + unless null || default.nil? + execute("UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote(default)} WHERE #{quote_column_name(column_name)} IS NULL") + end + + change_column table_name, column_name, column.sql_type, :null => null + end + + def change_column(table_name, column_name, type, options = {}) + column = column_for(table_name, column_name) + + unless options_include_default?(options) + options[:default] = column.default + end + + unless options.has_key?(:null) + options[:null] = column.null + end + + change_column_sql = "ALTER TABLE #{quote_table_name(table_name)} CHANGE #{quote_column_name(column_name)} #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}" + add_column_options!(change_column_sql, options) + add_column_position!(change_column_sql, options) + execute(change_column_sql) + end + + def rename_column(table_name, column_name, new_column_name) + options = {} + if column = columns(table_name).find { |c| c.name == column_name.to_s } + options[:default] = column.default + options[:null] = column.null + else + raise ActiveRecordError, "No such column: #{table_name}.#{column_name}" + end + current_type = select_one("SHOW COLUMNS FROM #{quote_table_name(table_name)} LIKE '#{column_name}'")["Type"] + rename_column_sql = "ALTER TABLE #{quote_table_name(table_name)} CHANGE #{quote_column_name(column_name)} #{quote_column_name(new_column_name)} #{current_type}" + add_column_options!(rename_column_sql, options) + execute(rename_column_sql) + end + + # Maps logical Rails types to MySQL-specific data types. + def type_to_sql(type, limit = nil, precision = nil, scale = nil) + return super unless type.to_s == 'integer' + + case limit + when 1; 'tinyint' + when 2; 'smallint' + when 3; 'mediumint' + when nil, 4, 11; 'int(11)' # compatibility with MySQL default + when 5..8; 'bigint' + else raise(ActiveRecordError, "No integer type has byte size #{limit}") + end + end + + def add_column_position!(sql, options) + if options[:first] + sql << " FIRST" + elsif options[:after] + sql << " AFTER #{quote_column_name(options[:after])}" + end + end + + def show_variable(name) + variables = select_all("SHOW VARIABLES LIKE '#{name}'") + variables.first['Value'] unless variables.empty? + end + + def pk_and_sequence_for(table) + keys = [] + result = execute("describe #{quote_table_name(table)}") + result.each(:symbolize_keys => true, :as => :hash) do |row| + keys << row[:Field] if row[:Key] == "PRI" + end + keys.length == 1 ? [keys.first, nil] : nil + end + + # Returns just a table's primary key + def primary_key(table) + pk_and_sequence = pk_and_sequence_for(table) + pk_and_sequence && pk_and_sequence.first + end + + def case_sensitive_equality_operator + "= BINARY" + end + + def limited_update_conditions(where_sql, quoted_table_name, quoted_primary_key) + where_sql + end + + protected + def quoted_columns_for_index(column_names, options = {}) + length = options[:length] if options.is_a?(Hash) + + quoted_column_names = case length + when Hash + column_names.map {|name| length[name] ? "#{quote_column_name(name)}(#{length[name]})" : quote_column_name(name) } + when Fixnum + column_names.map {|name| "#{quote_column_name(name)}(#{length})"} + else + column_names.map {|name| quote_column_name(name) } + end + end + + def translate_exception(exception, message) + return super unless exception.respond_to?(:error_number) + + case exception.error_number + when 1062 + RecordNotUnique.new(message, exception) + when 1452 + InvalidForeignKey.new(message, exception) + else + super + end + end + + private + def connect + @connection = Mysql2::Client.new(@config) + configure_connection + end + + def configure_connection + @connection.query_options.merge!(:as => :array) + encoding = @config[:encoding] + execute("SET NAMES '#{encoding}'", :skip_logging) if encoding + + # By default, MySQL 'where id is null' selects the last inserted id. + # Turn this off. http://dev.rubyonrails.org/ticket/6778 + execute("SET SQL_AUTO_IS_NULL=0", :skip_logging) + end + + # Returns an array of record hashes with the column names as keys and + # column values as values. + def select(sql, name = nil) + execute(sql, name).each(:as => :hash) + end + + def supports_views? + version[0] >= 5 + end + + def version + @version ||= @connection.info[:version].scan(/^(\d+)\.(\d+)\.(\d+)/).flatten.map { |v| v.to_i } + end + + def column_for(table_name, column_name) + unless column = columns(table_name).find { |c| c.name == column_name.to_s } + raise "No such column: #{table_name}.#{column_name}" + end + column + end + end + end +end diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb index aa3626a37e..ba0051de05 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -125,7 +125,7 @@ module ActiveRecord # By default, the MysqlAdapter will consider all columns of type <tt>tinyint(1)</tt> # as boolean. If you wish to disable this emulation (which was the default # behavior in versions 0.13.1 and earlier) you can add the following line - # to your environment.rb file: + # to your application.rb file: # # ActiveRecord::ConnectionAdapters::MysqlAdapter.emulate_booleans = false cattr_accessor :emulate_booleans @@ -278,7 +278,8 @@ module ActiveRecord rows end - # Executes a SQL query and returns a MySQL::Result object. Note that you have to free the Result object after you're done using it. + # Executes an SQL query and returns a MySQL::Result object. Note that you have to free + # the Result object after you're done using it. def execute(sql, name = nil) #:nodoc: if name == :skip_logging @connection.query(sql) diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 2fe2ae7136..6fae899e87 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -183,10 +183,14 @@ module ActiveRecord # * <tt>:username</tt> - Defaults to nothing. # * <tt>:password</tt> - Defaults to nothing. # * <tt>:database</tt> - The name of the database. No default, must be provided. - # * <tt>:schema_search_path</tt> - An optional schema search path for the connection given as a string of comma-separated schema names. This is backward-compatible with the <tt>:schema_order</tt> option. - # * <tt>:encoding</tt> - An optional client encoding that is used in a <tt>SET client_encoding TO <encoding></tt> call on the connection. - # * <tt>:min_messages</tt> - An optional client min messages that is used in a <tt>SET client_min_messages TO <min_messages></tt> call on the connection. - # * <tt>:allow_concurrency</tt> - If true, use async query methods so Ruby threads don't deadlock; otherwise, use blocking query methods. + # * <tt>:schema_search_path</tt> - An optional schema search path for the connection given + # as a string of comma-separated schema names. This is backward-compatible with the <tt>:schema_order</tt> option. + # * <tt>:encoding</tt> - An optional client encoding that is used in a <tt>SET client_encoding TO + # <encoding></tt> call on the connection. + # * <tt>:min_messages</tt> - An optional client min messages that is used in a + # <tt>SET client_min_messages TO <min_messages></tt> call on the connection. + # * <tt>:allow_concurrency</tt> - If true, use async query methods so Ruby threads don't deadlock; + # otherwise, use blocking query methods. class PostgreSQLAdapter < AbstractAdapter ADAPTER_NAME = 'PostgreSQL'.freeze @@ -218,6 +222,9 @@ module ActiveRecord # @local_tz is initialized as nil to avoid warnings when connect tries to use it @local_tz = nil + @table_alias_length = nil + @postgresql_version = nil + connect @local_tz = execute('SHOW TIME ZONE').first["TimeZone"] end @@ -308,14 +315,16 @@ module ActiveRecord # Quotes PostgreSQL-specific data types for SQL input. def quote(value, column = nil) #:nodoc: - if value.kind_of?(String) && column && column.type == :binary + return super unless column + + if value.kind_of?(String) && column.type == :binary "'#{escape_bytea(value)}'" - elsif value.kind_of?(String) && column && column.sql_type == 'xml' + elsif value.kind_of?(String) && column.sql_type == 'xml' "xml '#{quote_string(value)}'" - elsif value.kind_of?(Numeric) && column && column.sql_type == 'money' + elsif value.kind_of?(Numeric) && column.sql_type == 'money' # Not truly string input, so doesn't require (or allow) escape string syntax. - "'#{value.to_s}'" - elsif value.kind_of?(String) && column && column.sql_type =~ /^bit/ + "'#{value}'" + elsif value.kind_of?(String) && column.sql_type =~ /^bit/ case value when /^[01]*$/ "B'#{value}'" # Bit-string notation @@ -370,7 +379,7 @@ module ActiveRecord def supports_disable_referential_integrity?() #:nodoc: version = query("SHOW server_version")[0][0].split('.') - (version[0].to_i >= 8 && version[1].to_i >= 1) ? true : false + version[0].to_i >= 8 && version[1].to_i >= 1 rescue return false end @@ -431,17 +440,37 @@ module ActiveRecord def result_as_array(res) #:nodoc: # check if we have any binary column and if they need escaping unescape_col = [] - for j in 0...res.nfields do - # unescape string passed BYTEA field (OID == 17) - unescape_col << ( res.ftype(j)==17 ) + res.nfields.times do |j| + unescape_col << res.ftype(j) end ary = [] - for i in 0...res.ntuples do + res.ntuples.times do |i| ary << [] - for j in 0...res.nfields do + res.nfields.times do |j| data = res.getvalue(i,j) - data = unescape_bytea(data) if unescape_col[j] and data.is_a?(String) + case unescape_col[j] + + # unescape string passed BYTEA field (OID == 17) + when BYTEA_COLUMN_TYPE_OID + data = unescape_bytea(data) if String === data + + # If this is a money type column and there are any currency symbols, + # then strip them off. Indeed it would be prettier to do this in + # PostgreSQLColumn.string_to_decimal but would break form input + # fields that call value_before_type_cast. + when MONEY_COLUMN_TYPE_OID + # Because money output is formatted according to the locale, there are two + # cases to consider (note the decimal separators): + # (1) $12,345,678.12 + # (2) $12.345.678,12 + case data + when /^-?\D+[\d,]+\.\d{2}$/ # (1) + data.gsub!(/[^-\d\.]/, '') + when /^-?\D+[\d\.]+,\d{2}$/ # (2) + data.gsub!(/[^-\d,]/, '').sub!(/,/, '.') + end + end ary[i] << data end end @@ -828,11 +857,12 @@ module ActiveRecord # Maps logical Rails types to PostgreSQL-specific data types. def type_to_sql(type, limit = nil, precision = nil, scale = nil) return super unless type.to_s == 'integer' + return 'integer' unless limit case limit - when 1..2; 'smallint' - when 3..4, nil; 'integer' - when 5..8; 'bigint' + when 1, 2; 'smallint' + when 3, 4; 'integer' + when 5..8; 'bigint' else raise(ActiveRecordError, "No integer type has byte size #{limit}. Use a numeric with precision 0 instead.") end end @@ -889,6 +919,8 @@ module ActiveRecord private # The internal PostgreSQL identifier of the money data type. MONEY_COLUMN_TYPE_OID = 790 #:nodoc: + # The internal PostgreSQL identifier of the BYTEA data type. + BYTEA_COLUMN_TYPE_OID = 17 #:nodoc: # Connects to a PostgreSQL server and sets up the adapter depending on the # connected server's characteristics. @@ -941,51 +973,17 @@ module ActiveRecord # conversions that are required to be performed here instead of in PostgreSQLColumn. def select(sql, name = nil) fields, rows = select_raw(sql, name) - result = [] - for row in rows - row_hash = {} - fields.each_with_index do |f, i| - row_hash[f] = row[i] - end - result << row_hash + rows.map do |row| + Hash[*fields.zip(row).flatten] end - result end def select_raw(sql, name = nil) res = execute(sql, name) results = result_as_array(res) - fields = [] - rows = [] - if res.ntuples > 0 - fields = res.fields - results.each do |row| - hashed_row = {} - row.each_index do |cell_index| - # If this is a money type column and there are any currency symbols, - # then strip them off. Indeed it would be prettier to do this in - # PostgreSQLColumn.string_to_decimal but would break form input - # fields that call value_before_type_cast. - if res.ftype(cell_index) == MONEY_COLUMN_TYPE_OID - # Because money output is formatted according to the locale, there are two - # cases to consider (note the decimal separators): - # (1) $12,345,678.12 - # (2) $12.345.678,12 - case column = row[cell_index] - when /^-?\D+[\d,]+\.\d{2}$/ # (1) - row[cell_index] = column.gsub(/[^-\d\.]/, '') - when /^-?\D+[\d\.]+,\d{2}$/ # (2) - row[cell_index] = column.gsub(/[^-\d,]/, '').sub(/,/, '.') - end - end - - hashed_row[fields[cell_index]] = column - end - rows << row - end - end + fields = res.fields res.clear - return fields, rows + return fields, results end # Returns the list of a table's column names, data types, and default values. diff --git a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb index 117cf447df..82ad0a3b8e 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb @@ -29,8 +29,8 @@ module ActiveRecord end end - # The SQLite adapter works with both the 2.x and 3.x series of SQLite with the sqlite-ruby drivers (available both as gems and - # from http://rubyforge.org/projects/sqlite-ruby/). + # The SQLite adapter works with both the 2.x and 3.x series of SQLite with the sqlite-ruby + # drivers (available both as gems and from http://rubyforge.org/projects/sqlite-ruby/). # # Options: # @@ -190,16 +190,21 @@ module ActiveRecord def indexes(table_name, name = nil) #:nodoc: execute("PRAGMA index_list(#{quote_table_name(table_name)})", name).map do |row| - index = IndexDefinition.new(table_name, row['name']) - index.unique = row['unique'].to_i != 0 - index.columns = execute("PRAGMA index_info('#{index.name}')").map { |col| col['name'] } - index + IndexDefinition.new( + table_name, + row['name'], + row['unique'].to_i != 0, + execute("PRAGMA index_info('#{row['name']}')").map { |col| + col['name'] + }) end end def primary_key(table_name) #:nodoc: - column = table_structure(table_name).find {|field| field['pk'].to_i == 1} - column ? column['name'] : nil + column = table_structure(table_name).find { |field| + field['pk'].to_i == 1 + } + column && column['name'] end def remove_index!(table_name, index_name) #:nodoc: @@ -278,10 +283,8 @@ module ActiveRecord def select(sql, name = nil) #:nodoc: execute(sql, name).map do |row| record = {} - row.each_key do |key| - if key.is_a?(String) - record[key.sub(/^"?\w+"?\./, '')] = row[key] - end + row.each do |key, value| + record[key.sub(/^"?\w+"?\./, '')] = value if key.is_a?(String) end record end @@ -378,9 +381,9 @@ module ActiveRecord def default_primary_key_type if supports_autoincrement? - 'INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL'.freeze + 'INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL' else - 'INTEGER PRIMARY KEY NOT NULL'.freeze + 'INTEGER PRIMARY KEY NOT NULL' end end diff --git a/activerecord/lib/active_record/dynamic_finder_match.rb b/activerecord/lib/active_record/dynamic_finder_match.rb index b39b291352..0dc965bd26 100644 --- a/activerecord/lib/active_record/dynamic_finder_match.rb +++ b/activerecord/lib/active_record/dynamic_finder_match.rb @@ -2,8 +2,8 @@ module ActiveRecord # = Active Record Dynamic Finder Match # - # Provides dynamic attribute-based finders such as <tt>find_by_country</tt> - # if, for example, the <tt>Person</tt> has an attribute with that name. + # Refer to ActiveRecord::Base documentation for Dynamic attribute-based finders for detailed info + # class DynamicFinderMatch def self.match(method) df_match = self.new(method) @@ -42,6 +42,10 @@ module ActiveRecord @finder == :first && !@instantiator.nil? end + def creator? + @finder == :first && @instantiator == :create + end + def bang? @bang end diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb index 7aa725d095..e9ac5516ec 100644 --- a/activerecord/lib/active_record/errors.rb +++ b/activerecord/lib/active_record/errors.rb @@ -30,7 +30,8 @@ module ActiveRecord class SerializationTypeMismatch < ActiveRecordError end - # Raised when adapter not specified on connection (or configuration file <tt>config/database.yml</tt> misses adapter field). + # Raised when adapter not specified on connection (or configuration file <tt>config/database.yml</tt> + # misses adapter field). class AdapterNotSpecified < ActiveRecordError end @@ -38,7 +39,8 @@ module ActiveRecord class AdapterNotFound < ActiveRecordError end - # Raised when connection to the database could not been established (for example when <tt>connection=</tt> is given a nil object). + # Raised when connection to the database could not been established (for example when <tt>connection=</tt> + # is given a nil object). class ConnectionNotEstablished < ActiveRecordError end @@ -51,7 +53,8 @@ module ActiveRecord class RecordNotSaved < ActiveRecordError end - # Raised when SQL statement cannot be executed by the database (for example, it's often the case for MySQL when Ruby driver used is too old). + # Raised when SQL statement cannot be executed by the database (for example, it's often the case for + # MySQL when Ruby driver used is too old). class StatementInvalid < ActiveRecordError end @@ -78,7 +81,8 @@ module ActiveRecord class InvalidForeignKey < WrappedDatabaseException end - # Raised when number of bind variables in statement given to <tt>:condition</tt> key (for example, when using +find+ method) + # Raised when number of bind variables in statement given to <tt>:condition</tt> key (for example, + # when using +find+ method) # does not match number of expected variables. # # For example, in @@ -165,4 +169,4 @@ module ActiveRecord @errors = errors end end -end
\ No newline at end of file +end diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb index 82270c56b3..e44102b538 100644 --- a/activerecord/lib/active_record/fixtures.rb +++ b/activerecord/lib/active_record/fixtures.rb @@ -39,9 +39,10 @@ end # This type of fixture is in YAML format and the preferred default. YAML is a file format which describes data structures # in a non-verbose, human-readable format. It ships with Ruby 1.8.1+. # -# Unlike single-file fixtures, YAML fixtures are stored in a single file per model, which are placed in the directory appointed -# by <tt>ActiveSupport::TestCase.fixture_path=(path)</tt> (this is automatically configured for Rails, so you can just -# put your files in <tt><your-rails-app>/test/fixtures/</tt>). The fixture file ends with the <tt>.yml</tt> file extension (Rails example: +# Unlike single-file fixtures, YAML fixtures are stored in a single file per model, which are placed +# in the directory appointed by <tt>ActiveSupport::TestCase.fixture_path=(path)</tt> (this is +# automatically configured for Rails, so you can just put your files in <tt><your-rails-app>/test/fixtures/</tt>). +# The fixture file ends with the <tt>.yml</tt> file extension (Rails example: # <tt><your-rails-app>/test/fixtures/web_sites.yml</tt>). The format of a YAML fixture file looks like this: # # rubyonrails: @@ -58,7 +59,8 @@ end # indented list of key/value pairs in the "key: value" format. Records are separated by a blank line for your viewing # pleasure. # -# Note that YAML fixtures are unordered. If you want ordered fixtures, use the omap YAML type. See http://yaml.org/type/omap.html +# Note that YAML fixtures are unordered. If you want ordered fixtures, use the omap YAML type. +# See http://yaml.org/type/omap.html # for the specification. You will need ordered fixtures when you have foreign key constraints on keys in the same table. # This is commonly needed for tree structures. Example: # @@ -79,7 +81,8 @@ end # (Rails example: <tt><your-rails-app>/test/fixtures/web_sites.csv</tt>). # # The format of this type of fixture file is much more compact than the others, but also a little harder to read by us -# humans. The first line of the CSV file is a comma-separated list of field names. The rest of the file is then comprised +# humans. The first line of the CSV file is a comma-separated list of field names. The rest of the +# file is then comprised # of the actual data (1 per line). Here's an example: # # id, name, url @@ -99,15 +102,16 @@ end # # == Single-file fixtures # -# This type of fixture was the original format for Active Record that has since been deprecated in favor of the YAML and CSV formats. -# Fixtures for this format are created by placing text files in a sub-directory (with the name of the model) to the directory -# appointed by <tt>ActiveSupport::TestCase.fixture_path=(path)</tt> (this is automatically configured for Rails, so you can just -# put your files in <tt><your-rails-app>/test/fixtures/<your-model-name>/</tt> -- +# This type of fixture was the original format for Active Record that has since been deprecated in +# favor of the YAML and CSV formats. +# Fixtures for this format are created by placing text files in a sub-directory (with the name of the model) +# to the directory appointed by <tt>ActiveSupport::TestCase.fixture_path=(path)</tt> (this is automatically +# configured for Rails, so you can just put your files in <tt><your-rails-app>/test/fixtures/<your-model-name>/</tt> -- # like <tt><your-rails-app>/test/fixtures/web_sites/</tt> for the WebSite model). # # Each text file placed in this directory represents a "record". Usually these types of fixtures are named without -# extensions, but if you are on a Windows machine, you might consider adding <tt>.txt</tt> as the extension. Here's what the -# above example might look like: +# extensions, but if you are on a Windows machine, you might consider adding <tt>.txt</tt> as the extension. +# Here's what the above example might look like: # # web_sites/google # web_sites/yahoo.txt @@ -133,7 +137,8 @@ end # end # end # -# By default, the <tt>test_helper module</tt> will load all of your fixtures into your test database, so this test will succeed. +# By default, the <tt>test_helper module</tt> will load all of your fixtures into your test database, +# so this test will succeed. # The testing environment will automatically load the all fixtures into the database before each test. # To ensure consistent data, the environment deletes the fixtures before running the load. # @@ -182,13 +187,15 @@ end # This will create 1000 very simple YAML fixtures. # # Using ERb, you can also inject dynamic values into your fixtures with inserts like <tt><%= Date.today.strftime("%Y-%m-%d") %></tt>. -# This is however a feature to be used with some caution. The point of fixtures are that they're stable units of predictable -# sample data. If you feel that you need to inject dynamic values, then perhaps you should reexamine whether your application -# is properly testable. Hence, dynamic values in fixtures are to be considered a code smell. +# This is however a feature to be used with some caution. The point of fixtures are that they're +# stable units of predictable sample data. If you feel that you need to inject dynamic values, then +# perhaps you should reexamine whether your application is properly testable. Hence, dynamic values +# in fixtures are to be considered a code smell. # # = Transactional fixtures # -# TestCases can use begin+rollback to isolate their changes to the database instead of having to delete+insert for every test case. +# TestCases can use begin+rollback to isolate their changes to the database instead of having to +# delete+insert for every test case. # # class FooTest < ActiveSupport::TestCase # self.use_transactional_fixtures = true @@ -205,15 +212,18 @@ end # end # # If you preload your test database with all fixture data (probably in the Rakefile task) and use transactional fixtures, -# then you may omit all fixtures declarations in your test cases since all the data's already there and every case rolls back its changes. +# then you may omit all fixtures declarations in your test cases since all the data's already there +# and every case rolls back its changes. # # In order to use instantiated fixtures with preloaded data, set +self.pre_loaded_fixtures+ to true. This will provide -# access to fixture data for every table that has been loaded through fixtures (depending on the value of +use_instantiated_fixtures+) +# access to fixture data for every table that has been loaded through fixtures (depending on the +# value of +use_instantiated_fixtures+) # # When *not* to use transactional fixtures: # -# 1. You're testing whether a transaction works correctly. Nested transactions don't commit until all parent transactions commit, -# particularly, the fixtures transaction which is begun in setup and rolled back in teardown. Thus, you won't be able to verify +# 1. You're testing whether a transaction works correctly. Nested transactions don't commit until +# all parent transactions commit, particularly, the fixtures transaction which is begun in setup +# and rolled back in teardown. Thus, you won't be able to verify # the results of your transaction until Active Record supports nested transactions or savepoints (in progress). # 2. Your database does not support transactions. Every Active Record database supports transactions except MySQL MyISAM. # Use InnoDB, MaxDB, or NDB instead. @@ -664,14 +674,13 @@ class Fixtures < (RUBY_VERSION < '1.9' ? YAML::Omap : Hash) end def has_primary_key_column? - @has_primary_key_column ||= model_class && primary_key_name && - model_class.columns.find { |c| c.name == primary_key_name } + @has_primary_key_column ||= primary_key_name && + model_class.columns.any? { |c| c.name == primary_key_name } end def timestamp_column_names - @timestamp_column_names ||= %w(created_at created_on updated_at updated_on).select do |name| - column_names.include?(name) - end + @timestamp_column_names ||= + %w(created_at created_on updated_at updated_on) & column_names end def inheritance_column_name @@ -872,7 +881,7 @@ module ActiveRecord table_names.each do |table_name| table_name = table_name.to_s.tr('./', '_') - define_method(table_name) do |*fixtures| + redefine_method(table_name) do |*fixtures| force_reload = fixtures.pop if fixtures.last == true || fixtures.last == :reload @fixture_cache[table_name] ||= {} diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb index ceb0902fde..b6f87a57b8 100644 --- a/activerecord/lib/active_record/locking/optimistic.rb +++ b/activerecord/lib/active_record/locking/optimistic.rb @@ -124,6 +124,7 @@ module ActiveRecord end end + @destroyed = true freeze end diff --git a/activerecord/lib/active_record/log_subscriber.rb b/activerecord/lib/active_record/log_subscriber.rb index 71065f9908..c7ae12977a 100644 --- a/activerecord/lib/active_record/log_subscriber.rb +++ b/activerecord/lib/active_record/log_subscriber.rb @@ -1,19 +1,35 @@ module ActiveRecord class LogSubscriber < ActiveSupport::LogSubscriber + def self.runtime=(value) + Thread.current["active_record_sql_runtime"] = value + end + + def self.runtime + Thread.current["active_record_sql_runtime"] ||= 0 + end + + def self.reset_runtime + rt, self.runtime = runtime, 0 + rt + end + def initialize super @odd_or_even = false end def sql(event) + self.class.runtime += event.duration + return unless logger.debug? + name = '%s (%.1fms)' % [event.payload[:name], event.duration] sql = event.payload[:sql].squeeze(' ') if odd? - name = color(name, :cyan, true) + name = color(name, CYAN, true) sql = color(sql, nil, true) else - name = color(name, :magenta, true) + name = color(name, MAGENTA, true) end debug " #{name} #{sql}" diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 4c5e1ae218..5e272f0ba4 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -284,7 +284,7 @@ module ActiveRecord # # config.active_record.timestamped_migrations = false # - # In environment.rb. + # In application.rb. # class Migration @@verbose = true diff --git a/activerecord/lib/active_record/named_scope.rb b/activerecord/lib/active_record/named_scope.rb index 849ec9c884..0e560418dc 100644 --- a/activerecord/lib/active_record/named_scope.rb +++ b/activerecord/lib/active_record/named_scope.rb @@ -26,7 +26,7 @@ module ActiveRecord # You can define a \scope that applies to all finders using # ActiveRecord::Base.default_scope. def scoped(options = nil) - if options.present? + if options scoped.apply_finder_options(options) else current_scoped_methods ? relation.merge(current_scoped_methods) : relation.clone @@ -48,18 +48,21 @@ module ActiveRecord # The above calls to <tt>scope</tt> define class methods Shirt.red and Shirt.dry_clean_only. Shirt.red, # in effect, represents the query <tt>Shirt.where(:color => 'red')</tt>. # - # Unlike <tt>Shirt.find(...)</tt>, however, the object returned by Shirt.red is not an Array; it resembles the association object - # constructed by a <tt>has_many</tt> declaration. For instance, you can invoke <tt>Shirt.red.first</tt>, <tt>Shirt.red.count</tt>, - # <tt>Shirt.red.where(:size => 'small')</tt>. Also, just as with the association objects, named \scopes act like an Array, - # implementing Enumerable; <tt>Shirt.red.each(&block)</tt>, <tt>Shirt.red.first</tt>, and <tt>Shirt.red.inject(memo, &block)</tt> + # Unlike <tt>Shirt.find(...)</tt>, however, the object returned by Shirt.red is not an Array; it + # resembles the association object constructed by a <tt>has_many</tt> declaration. For instance, + # you can invoke <tt>Shirt.red.first</tt>, <tt>Shirt.red.count</tt>, <tt>Shirt.red.where(:size => 'small')</tt>. + # Also, just as with the association objects, named \scopes act like an Array, implementing Enumerable; + # <tt>Shirt.red.each(&block)</tt>, <tt>Shirt.red.first</tt>, and <tt>Shirt.red.inject(memo, &block)</tt> # all behave as if Shirt.red really was an Array. # - # These named \scopes are composable. For instance, <tt>Shirt.red.dry_clean_only</tt> will produce all shirts that are both red and dry clean only. - # Nested finds and calculations also work with these compositions: <tt>Shirt.red.dry_clean_only.count</tt> returns the number of garments - # for which these criteria obtain. Similarly with <tt>Shirt.red.dry_clean_only.average(:thread_count)</tt>. + # These named \scopes are composable. For instance, <tt>Shirt.red.dry_clean_only</tt> will produce + # all shirts that are both red and dry clean only. + # Nested finds and calculations also work with these compositions: <tt>Shirt.red.dry_clean_only.count</tt> + # returns the number of garments for which these criteria obtain. Similarly with + # <tt>Shirt.red.dry_clean_only.average(:thread_count)</tt>. # - # All \scopes are available as class methods on the ActiveRecord::Base descendant upon which the \scopes were defined. But they are also available to - # <tt>has_many</tt> associations. If, + # All \scopes are available as class methods on the ActiveRecord::Base descendant upon which + # the \scopes were defined. But they are also available to <tt>has_many</tt> associations. If, # # class Person < ActiveRecord::Base # has_many :shirts @@ -105,7 +108,7 @@ module ActiveRecord extension ? relation.extending(extension) : relation end - singleton_class.send :define_method, name, &scopes[name] + singleton_class.send(:redefine_method, name, &scopes[name]) end def named_scope(*args, &block) diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb index cf8c5aaf84..e652296e2c 100644 --- a/activerecord/lib/active_record/nested_attributes.rb +++ b/activerecord/lib/active_record/nested_attributes.rb @@ -78,7 +78,7 @@ module ActiveRecord # member.avatar_attributes = { :id => '2', :_destroy => '1' } # member.avatar.marked_for_destruction? # => true # member.save - # member.reload.avatar #=> nil + # member.reload.avatar # => nil # # Note that the model will _not_ be destroyed until the parent is saved. # @@ -180,7 +180,7 @@ module ActiveRecord # # member.attributes = params['member'] # member.posts.detect { |p| p.id == 2 }.marked_for_destruction? # => true - # member.posts.length #=> 2 + # member.posts.length # => 2 # member.save # member.reload.posts.length # => 1 # diff --git a/activerecord/lib/active_record/observer.rb b/activerecord/lib/active_record/observer.rb index d2ed643f35..78bac55bf2 100644 --- a/activerecord/lib/active_record/observer.rb +++ b/activerecord/lib/active_record/observer.rb @@ -67,8 +67,8 @@ module ActiveRecord # # == Configuration # - # In order to activate an observer, list it in the <tt>config.active_record.observers</tt> configuration setting in your - # <tt>config/environment.rb</tt> file. + # In order to activate an observer, list it in the <tt>config.active_record.observers</tt> configuration + # setting in your <tt>config/application.rb</tt> file. # # config.active_record.observers = :comment_observer, :signup_observer # diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index 828a8b41b6..71b46beaef 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -60,7 +60,7 @@ module ActiveRecord # reflect that no changes should be made (since they can't be # persisted). Returns the frozen instance. # - # The row is simply removed with a SQL +DELETE+ statement on the + # The row is simply removed with an SQL +DELETE+ statement on the # record's primary key, and no callbacks are executed. # # To enforce the object's +before_destroy+ and +after_destroy+ @@ -91,8 +91,8 @@ module ActiveRecord # like render <tt>:partial => @client.becomes(Company)</tt> to render that # instance using the companies/company partial instead of clients/client. # - # Note: The new instance will share a link to the same attributes as the original class. So any change to the attributes in either - # instance will affect the other. + # Note: The new instance will share a link to the same attributes as the original class. + # So any change to the attributes in either instance will affect the other. def becomes(klass) became = klass.new became.instance_variable_set("@attributes", @attributes) @@ -102,35 +102,57 @@ module ActiveRecord became end - # Updates a single attribute and saves the record without going through the normal validation procedure - # or callbacks. This is especially useful for boolean flags on existing records. + # Updates a single attribute and saves the record. + # This is especially useful for boolean flags on existing records. Also note that + # + # * The attribute being updated must be a column name. + # * Validation is skipped. + # * No callbacks are invoked. + # * updated_at/updated_on column is updated if that column is available. + # * Does not work on associations. + # * Does not work on attr_accessor attributes. + # * Does not work on new record. <tt>record.new_record?</tt> should return false for this method to work. + # * Updates only the attribute that is input to the method. If there are other changed attributes then + # those attributes are left alone. In that case even after this method has done its work <tt>record.changed?</tt> + # will return true. + # def update_attribute(name, value) - send("#{name}=", value) - hash = { name => read_attribute(name) } + raise ActiveRecordError, "#{name.to_s} is marked as readonly" if self.class.readonly_attributes.include? name.to_s + + changes = record_update_timestamps || {} - if record_update_timestamps - timestamp_attributes_for_update_in_model.each do |column| - hash[column] = read_attribute(column) - end + if name + name = name.to_s + send("#{name}=", value) + changes[name] = read_attribute(name) end - @changed_attributes.delete(name.to_s) + @changed_attributes.except!(*changes.keys) primary_key = self.class.primary_key - self.class.update_all(hash, { primary_key => self[primary_key] }) == 1 + self.class.update_all(changes, { primary_key => self[primary_key] }) == 1 end - # Updates all the attributes from the passed-in Hash and saves the record. - # If the object is invalid, the saving will fail and false will be returned. + # Updates the attributes of the model from the passed-in hash and saves the + # record, all wrapped in a transaction. If the object is invalid, the saving + # will fail and false will be returned. def update_attributes(attributes) - self.attributes = attributes - save + # The following transaction covers any possible database side-effects of the + # attributes assignment. For example, setting the IDs of a child collection. + with_transaction_returning_status do + self.attributes = attributes + save + end end - # Updates an object just like Base.update_attributes but calls save! instead - # of save so an exception is raised if the record is invalid. + # Updates its receiver just like +update_attributes+ but calls <tt>save!</tt> instead + # of +save+, so an exception is raised if the record is invalid. def update_attributes!(attributes) - self.attributes = attributes - save! + # The following transaction covers any possible database side-effects of the + # attributes assignment. For example, setting the IDs of a child collection. + with_transaction_returning_status do + self.attributes = attributes + save! + end end # Initializes +attribute+ to zero if +nil+ and adds the value passed as +by+ (default is 1). @@ -196,6 +218,19 @@ module ActiveRecord self end + # Saves the record with the updated_at/on attributes set to the current time. + # Please note that no validation is performed and no callbacks are executed. + # If an attribute name is passed, that attribute is updated along with + # updated_at/on attributes. + # + # Examples: + # + # product.touch # updates updated_at/on + # product.touch(:designed_at) # updates the designed_at attribute and updated_at/on + def touch(attribute = nil) + update_attribute(attribute, current_time_from_proper_timezone) + end + private def create_or_update raise ReadOnlyRecord if readonly? diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb index 2808e199fe..78fdb77216 100644 --- a/activerecord/lib/active_record/railtie.rb +++ b/activerecord/lib/active_record/railtie.rb @@ -16,16 +16,18 @@ module ActiveRecord config.generators.orm :active_record, :migration => true, :timestamps => true - config.app_middleware.insert_after "::ActionDispatch::Callbacks", - "ActiveRecord::QueryCache" - - config.app_middleware.insert_after "::ActionDispatch::Callbacks", - "ActiveRecord::ConnectionAdapters::ConnectionManagement" + config.app_middleware.insert_after "::ActionDispatch::Callbacks", "ActiveRecord::QueryCache" rake_tasks do load "active_record/railties/databases.rake" end + # When loading console, force ActiveRecord to be loaded to avoid cross + # references when loading a constant for the first time. + console do + ActiveRecord::Base + end + initializer "active_record.initialize_timezone" do ActiveSupport.on_load(:active_record) do self.time_zone_aware_attributes = true @@ -72,6 +74,13 @@ module ActiveRecord end end + initializer "active_record.add_concurrency_middleware" do |app| + if app.config.allow_concurrency + app.config.middleware.insert_after "::ActionDispatch::Callbacks", + "ActiveRecord::ConnectionAdapters::ConnectionManagement" + end + end + config.after_initialize do ActiveSupport.on_load(:active_record) do instantiate_observers diff --git a/activerecord/lib/active_record/railties/controller_runtime.rb b/activerecord/lib/active_record/railties/controller_runtime.rb index aed1c59b00..bc6ca936c0 100644 --- a/activerecord/lib/active_record/railties/controller_runtime.rb +++ b/activerecord/lib/active_record/railties/controller_runtime.rb @@ -11,9 +11,9 @@ module ActiveRecord def cleanup_view_runtime if ActiveRecord::Base.connected? - db_rt_before_render = ActiveRecord::Base.connection.reset_runtime + db_rt_before_render = ActiveRecord::LogSubscriber.reset_runtime runtime = super - db_rt_after_render = ActiveRecord::Base.connection.reset_runtime + db_rt_after_render = ActiveRecord::LogSubscriber.reset_runtime self.db_runtime = db_rt_before_render + db_rt_after_render runtime - db_rt_after_render else diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index 5024787c3c..ae605d3e7a 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -274,7 +274,7 @@ namespace :db do task :setup => [ 'db:create', 'db:schema:load', 'db:seed' ] desc 'Load the seed data from db/seeds.rb' - task :seed => :environment do + task :seed => 'db:abort_if_pending_migrations' do seed_file = File.join(Rails.root, 'db', 'seeds.rb') load(seed_file) if File.exist?(seed_file) end @@ -339,7 +339,7 @@ namespace :db do end namespace :structure do - desc "Dump the database structure to a SQL file" + desc "Dump the database structure to an SQL file" task :dump => :environment do abcs = ActiveRecord::Base.configurations case abcs[Rails.env]["adapter"] diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index a82e5d7ed1..7f47a812eb 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -3,14 +3,14 @@ module ActiveRecord module Reflection # :nodoc: extend ActiveSupport::Concern - # Reflection allows you to interrogate Active Record classes and objects + # Reflection enables to interrogate Active Record classes and objects # about their associations and aggregations. This information can, - # for example, be used in a form builder that took an Active Record object - # and created input fields for all of the attributes depending on their type - # and displayed the associations to other objects. + # for example, be used in a form builder that takes an Active Record object + # and creates input fields for all of the attributes depending on their type + # and displays the associations to other objects. # - # You can find the interface for the AggregateReflection and AssociationReflection - # classes in the abstract MacroReflection class. + # MacroReflection class has info for AggregateReflection and AssociationReflection + # classes. module ClassMethods def create_reflection(macro, name, options, active_record) case macro @@ -24,7 +24,7 @@ module ActiveRecord reflection end - # Returns a hash containing all AssociationReflection objects for the current class + # Returns a hash containing all AssociationReflection objects for the current class. # Example: # # Invoice.reflections @@ -39,9 +39,9 @@ module ActiveRecord reflections.values.select { |reflection| reflection.is_a?(AggregateReflection) } end - # Returns the AggregateReflection object for the named +aggregation+ (use the symbol). Example: + # Returns the AggregateReflection object for the named +aggregation+ (use the symbol). # - # Account.reflect_on_aggregation(:balance) # returns the balance AggregateReflection + # Account.reflect_on_aggregation(:balance) #=> the balance AggregateReflection # def reflect_on_aggregation(aggregation) reflections[aggregation].is_a?(AggregateReflection) ? reflections[aggregation] : nil @@ -50,7 +50,7 @@ module ActiveRecord # Returns an array of AssociationReflection objects for all the # associations in the class. If you only want to reflect on a certain # association type, pass in the symbol (<tt>:has_many</tt>, <tt>:has_one</tt>, - # <tt>:belongs_to</tt>) for that as the first parameter. + # <tt>:belongs_to</tt>) as the first parameter. # # Example: # @@ -62,9 +62,9 @@ module ActiveRecord macro ? association_reflections.select { |reflection| reflection.macro == macro } : association_reflections end - # Returns the AssociationReflection object for the named +association+ (use the symbol). Example: + # Returns the AssociationReflection object for the +association+ (use the symbol). # - # Account.reflect_on_association(:owner) # returns the owner AssociationReflection + # Account.reflect_on_association(:owner) # returns the owner AssociationReflection # Invoice.reflect_on_association(:line_items).macro # returns :has_many # def reflect_on_association(association) @@ -78,8 +78,7 @@ module ActiveRecord end - # Abstract base class for AggregateReflection and AssociationReflection that - # describes the interface available for both of those classes. Objects of + # Abstract base class for AggregateReflection and AssociationReflection. Objects of # AggregateReflection and AssociationReflection are returned by the Reflection::ClassMethods. class MacroReflection attr_reader :active_record @@ -88,34 +87,36 @@ module ActiveRecord @macro, @name, @options, @active_record = macro, name, options, active_record end - # Returns the name of the macro. For example, <tt>composed_of :balance, - # :class_name => 'Money'</tt> will return <tt>:balance</tt> or for - # <tt>has_many :clients</tt> it will return <tt>:clients</tt>. - def name - @name - end + # Returns the name of the macro. + # + # <tt>composed_of :balance, :class_name => 'Money'</tt> returns <tt>:balance</tt> + # <tt>has_many :clients</tt> returns <tt>:clients</tt> + attr_reader :name - # Returns the macro type. For example, - # <tt>composed_of :balance, :class_name => 'Money'</tt> will return <tt>:composed_of</tt> - # or for <tt>has_many :clients</tt> will return <tt>:has_many</tt>. - def macro - @macro - end + # Returns the macro type. + # + # <tt>composed_of :balance, :class_name => 'Money'</tt> returns <tt>:composed_of</tt> + # <tt>has_many :clients</tt> returns <tt>:has_many</tt> + attr_reader :macro - # Returns the hash of options used for the macro. For example, it would return <tt>{ :class_name => "Money" }</tt> for - # <tt>composed_of :balance, :class_name => 'Money'</tt> or +{}+ for <tt>has_many :clients</tt>. - def options - @options - end + # Returns the hash of options used for the macro. + # + # <tt>composed_of :balance, :class_name => 'Money'</tt> returns <tt>{ :class_name => "Money" }</tt> + # <tt>has_many :clients</tt> returns +{}+ + attr_reader :options - # Returns the class for the macro. For example, <tt>composed_of :balance, :class_name => 'Money'</tt> returns the Money - # class and <tt>has_many :clients</tt> returns the Client class. + # Returns the class for the macro. + # + # <tt>composed_of :balance, :class_name => 'Money'</tt> returns the Money class + # <tt>has_many :clients</tt> returns the Client class def klass @klass ||= class_name.constantize end - # Returns the class name for the macro. For example, <tt>composed_of :balance, :class_name => 'Money'</tt> returns <tt>'Money'</tt> - # and <tt>has_many :clients</tt> returns <tt>'Client'</tt>. + # Returns the class name for the macro. + # + # <tt>composed_of :balance, :class_name => 'Money'</tt> returns <tt>'Money'</tt> + # <tt>has_many :clients</tt> returns <tt>'Client'</tt> def class_name @class_name ||= options[:class_name] || derive_class_name end @@ -130,11 +131,6 @@ module ActiveRecord @sanitized_conditions ||= klass.send(:sanitize_sql, options[:conditions]) if options[:conditions] end - # Returns +true+ if +self+ is a +belongs_to+ reflection. - def belongs_to? - macro == :belongs_to - end - private def derive_class_name name.to_s.camelize @@ -150,7 +146,7 @@ module ActiveRecord # Holds all the meta-data about an association as it was specified in the # Active Record class. class AssociationReflection < MacroReflection #:nodoc: - # Returns the target association's class: + # Returns the target association's class. # # class Author < ActiveRecord::Base # has_many :books @@ -159,7 +155,7 @@ module ActiveRecord # Author.reflect_on_association(:books).klass # # => Book # - # <b>Note:</b> do not call +klass.new+ or +klass.create+ to instantiate + # <b>Note:</b> Do not call +klass.new+ or +klass.create+ to instantiate # a new association object. Use +build_association+ or +create_association+ # instead. This allows plugins to hook into association object creation. def klass @@ -206,6 +202,10 @@ module ActiveRecord @primary_key_name ||= options[:foreign_key] || derive_primary_key_name end + def primary_key_column + @primary_key_column ||= klass.columns.find { |c| c.name == klass.primary_key } + end + def association_foreign_key @association_foreign_key ||= @options[:association_foreign_key] || class_name.foreign_key end @@ -270,7 +270,7 @@ module ActiveRecord end # Returns whether or not this association reflection is for a collection - # association. Returns +true+ if the +macro+ is one of +has_many+ or + # association. Returns +true+ if the +macro+ is either +has_many+ or # +has_and_belongs_to_many+, +false+ otherwise. def collection? @collection @@ -280,7 +280,7 @@ module ActiveRecord # the parent's validation. # # Unless you explicitly disable validation with - # <tt>:validate => false</tt>, it will take place when: + # <tt>:validate => false</tt>, validation will take place when: # # * you explicitly enable validation; <tt>:validate => true</tt> # * you use autosave; <tt>:autosave => true</tt> @@ -300,6 +300,11 @@ module ActiveRecord dependent_conditions end + # Returns +true+ if +self+ is a +belongs_to+ reflection. + def belongs_to? + macro == :belongs_to + end + private def derive_class_name class_name = name.to_s.camelize @@ -324,8 +329,6 @@ module ActiveRecord # Gets the source of the through reflection. It checks both a singularized # and pluralized form for <tt>:belongs_to</tt> or <tt>:has_many</tt>. # - # (The <tt>:tags</tt> association on Tagging below.) - # # class Post < ActiveRecord::Base # has_many :taggings # has_many :tags, :through => :taggings @@ -336,7 +339,7 @@ module ActiveRecord end # Returns the AssociationReflection object specified in the <tt>:through</tt> option - # of a HasManyThrough or HasOneThrough association. Example: + # of a HasManyThrough or HasOneThrough association. # # class Post < ActiveRecord::Base # has_many :taggings diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index d9fc1b4940..30be723291 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -10,17 +10,18 @@ module ActiveRecord include FinderMethods, Calculations, SpawnMethods, QueryMethods, Batches - delegate :to_xml, :to_json, :to_yaml, :length, :collect, :map, :each, :all?, :include?, :to => :to_a + delegate :to_xml, :to_yaml, :length, :collect, :map, :each, :all?, :include?, :to => :to_a delegate :insert, :to => :arel - attr_reader :table, :klass + attr_reader :table, :klass, :loaded attr_accessor :extensions + alias :loaded? :loaded def initialize(klass, table) @klass, @table = klass, table @implicit_readonly = nil - @loaded = nil + @loaded = false SINGLE_VALUE_METHODS.each {|v| instance_variable_set(:"@#{v}_value", nil)} (ASSOCIATION_METHODS + MULTI_VALUE_METHODS).each {|v| instance_variable_set(:"@#{v}_values", [])} @@ -66,7 +67,8 @@ module ActiveRecord preload += @includes_values unless eager_loading? preload.each {|associations| @klass.send(:preload_associations, @records, associations) } - # @readonly_value is true only if set explicitly. @implicit_readonly is true if there are JOINS and no explicit SELECT. + # @readonly_value is true only if set explicitly. @implicit_readonly is true if there + # are JOINS and no explicit SELECT. readonly = @readonly_value.nil? ? @implicit_readonly : @readonly_value @records.each { |record| record.readonly! } if readonly @@ -74,6 +76,8 @@ module ActiveRecord @records end + def as_json(options = nil) to_a end #:nodoc: + # Returns size of the records. def size loaded? ? @records.length : count @@ -96,7 +100,7 @@ module ActiveRecord if block_given? to_a.many? { |*block_args| yield(*block_args) } else - @limit_value.present? ? to_a.many? : size > 1 + @limit_value ? to_a.many? : size > 1 end end @@ -105,7 +109,7 @@ module ActiveRecord # ==== Example # # Comment.where(:post_id => 1).scoping do - # Comment.first #=> SELECT * FROM comments WHERE post_id = 1 + # Comment.first # SELECT * FROM comments WHERE post_id = 1 # end # # Please check unscoped if you want to remove all previous scopes (including @@ -127,7 +131,8 @@ module ActiveRecord # ==== Parameters # # * +updates+ - A string, array, or hash representing the SET part of an SQL statement. - # * +conditions+ - A string, array, or hash representing the WHERE part of an SQL statement. See conditions in the intro. + # * +conditions+ - A string, array, or hash representing the WHERE part of an SQL statement. + # See conditions in the intro. # * +options+ - Additional options are <tt>:limit</tt> and <tt>:order</tt>, see the examples for usage. # # ==== Examples @@ -141,7 +146,7 @@ module ActiveRecord # # Update all avatars migrated more than a week ago # Avatar.update_all ['migrated_at = ?', Time.now.utc], ['migrated_at > ?', 1.week.ago] # - # # Update all books that match our conditions, but limit it to 5 ordered by date + # # Update all books that match conditions, but limit it to 5 ordered by date # Book.update_all "author = 'David'", "title LIKE '%Rails%'", :order => 'created_at', :limit => 5 def update_all(updates, conditions = nil, options = {}) if conditions || options.present? @@ -162,14 +167,14 @@ module ActiveRecord # ==== Parameters # # * +id+ - This should be the id or an array of ids to be updated. - # * +attributes+ - This should be a hash of attributes to be set on the object, or an array of hashes. + # * +attributes+ - This should be a hash of attributes or an array of hashes. # # ==== Examples # - # # Updating one record: + # # Updates one record # Person.update(15, :user_name => 'Samuel', :group => 'expert') # - # # Updating multiple records: + # # Updates multiple records # people = { 1 => { "first_name" => "David" }, 2 => { "first_name" => "Jeremy" } } # Person.update(people.keys, people.values) def update(id, attributes) @@ -290,10 +295,6 @@ module ActiveRecord where(@klass.primary_key => id_or_array).delete_all end - def loaded? - @loaded - end - def reload reset to_a # force reload @@ -317,12 +318,14 @@ module ActiveRecord def scope_for_create @scope_for_create ||= begin - @create_with_value || @where_values.inject({}) do |hash, where| - if where.is_a?(Arel::Predicates::Equality) - hash[where.operand1.name] = where.operand2.respond_to?(:value) ? where.operand2.value : where.operand2 - end - hash - end + @create_with_value || Hash[ + @where_values.find_all { |w| + w.respond_to?(:operator) && w.operator == :== + }.map { |where| + [where.operand1.name, + where.operand2.respond_to?(:value) ? + where.operand2.value : where.operand2] + }] end end diff --git a/activerecord/lib/active_record/relation/batches.rb b/activerecord/lib/active_record/relation/batches.rb index 412be895c4..d7494ebb5a 100644 --- a/activerecord/lib/active_record/relation/batches.rb +++ b/activerecord/lib/active_record/relation/batches.rb @@ -50,9 +50,9 @@ module ActiveRecord def find_in_batches(options = {}) relation = self - if orders.present? || taken.present? - ActiveRecord::Base.logger.warn("Scoped order and limit are ignored, it's forced to be batch order and batch size") - end + if orders.present? || taken.present? + ActiveRecord::Base.logger.warn("Scoped order and limit are ignored, it's forced to be batch order and batch size") + end if (finder_options = options.except(:start, :batch_size)).present? raise "You can't specify an order, it's forced to be #{batch_order}" if options[:order].present? @@ -73,7 +73,7 @@ module ActiveRecord break if records.size < batch_size if primary_key_offset = records.last.id - records = relation.where(primary_key.gt(primary_key_offset)).all + records = relation.where(primary_key.gt(primary_key_offset)).to_a else raise "Primary key not included in the custom select clause" end diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index 44baeb6c84..a679c444cf 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -1,30 +1,38 @@ require 'active_support/core_ext/object/blank' +require 'active_support/core_ext/object/try' module ActiveRecord module Calculations # Count operates using three different approaches. # # * Count all: By not passing any parameters to count, it will return a count of all the rows for the model. - # * Count using column: By passing a column name to count, it will return a count of all the rows for the model with supplied column present + # * Count using column: By passing a column name to count, it will return a count of all the + # rows for the model with supplied column present # * Count using options will find the row count matched by the options used. # # The third approach, count using options, accepts an option hash as the only parameter. The options are: # - # * <tt>:conditions</tt>: An SQL fragment like "administrator = 1" or [ "user_name = ?", username ]. See conditions in the intro to ActiveRecord::Base. + # * <tt>:conditions</tt>: An SQL fragment like "administrator = 1" or [ "user_name = ?", username ]. + # See conditions in the intro to ActiveRecord::Base. # * <tt>:joins</tt>: Either an SQL fragment for additional joins like "LEFT JOIN comments ON comments.post_id = id" (rarely needed) - # or named associations in the same form used for the <tt>:include</tt> option, which will perform an INNER JOIN on the associated table(s). - # If the value is a string, then the records will be returned read-only since they will have attributes that do not correspond to the table's columns. + # or named associations in the same form used for the <tt>:include</tt> option, which will + # perform an INNER JOIN on the associated table(s). + # If the value is a string, then the records will be returned read-only since they will have + # attributes that do not correspond to the table's columns. # Pass <tt>:readonly => false</tt> to override. - # * <tt>:include</tt>: Named associations that should be loaded alongside using LEFT OUTER JOINs. The symbols named refer - # to already defined associations. When using named associations, count returns the number of DISTINCT items for the model you're counting. + # * <tt>:include</tt>: Named associations that should be loaded alongside using LEFT OUTER JOINs. + # The symbols named refer to already defined associations. When using named associations, count + # returns the number of DISTINCT items for the model you're counting. # See eager loading under Associations. # * <tt>:order</tt>: An SQL fragment like "created_at DESC, name" (really only used with GROUP BY calculations). # * <tt>:group</tt>: An attribute name by which the result should be grouped. Uses the GROUP BY SQL-clause. - # * <tt>:select</tt>: By default, this is * as in SELECT * FROM, but can be changed if you, for example, want to do a join but not + # * <tt>:select</tt>: By default, this is * as in SELECT * FROM, but can be changed if you, for example, + # want to do a join but not # include the joined columns. - # * <tt>:distinct</tt>: Set this to true to make this a distinct calculation, such as SELECT COUNT(DISTINCT posts.id) ... - # * <tt>:from</tt> - By default, this is the table name of the class, but can be changed to an alternate table name (or even the name - # of a database view). + # * <tt>:distinct</tt>: Set this to true to make this a distinct calculation, such as + # SELECT COUNT(DISTINCT posts.id) ... + # * <tt>:from</tt> - By default, this is the table name of the class, but can be changed to an + # alternate table name (or even the name of a database view). # # Examples for counting all: # Person.count # returns the total count of all people @@ -34,12 +42,19 @@ module ActiveRecord # # Examples for count with options: # Person.count(:conditions => "age > 26") - # Person.count(:conditions => "age > 26 AND job.salary > 60000", :include => :job) # because of the named association, it finds the DISTINCT count using LEFT OUTER JOIN. - # Person.count(:conditions => "age > 26 AND job.salary > 60000", :joins => "LEFT JOIN jobs on jobs.person_id = person.id") # finds the number of rows matching the conditions and joins. + # + # # because of the named association, it finds the DISTINCT count using LEFT OUTER JOIN. + # Person.count(:conditions => "age > 26 AND job.salary > 60000", :include => :job) + # + # # finds the number of rows matching the conditions and joins. + # Person.count(:conditions => "age > 26 AND job.salary > 60000", + # :joins => "LEFT JOIN jobs on jobs.person_id = person.id") + # # Person.count('id', :conditions => "age > 26") # Performs a COUNT(id) # Person.count(:all, :conditions => "age > 26") # Performs a COUNT(*) (:all is an alias for '*') # - # Note: <tt>Person.count(:all)</tt> will not work because it will use <tt>:all</tt> as the condition. Use Person.count instead. + # Note: <tt>Person.count(:all)</tt> will not work because it will use <tt>:all</tt> as the condition. + # Use Person.count instead. def count(column_name = nil, options = {}) column_name, options = nil, column_name if column_name.is_a?(Hash) calculate(:count, column_name, options) @@ -80,13 +95,15 @@ module ActiveRecord calculate(:sum, column_name, options) end - # This calculates aggregate values in the given column. Methods for count, sum, average, minimum, and maximum have been added as shortcuts. - # Options such as <tt>:conditions</tt>, <tt>:order</tt>, <tt>:group</tt>, <tt>:having</tt>, and <tt>:joins</tt> can be passed to customize the query. + # This calculates aggregate values in the given column. Methods for count, sum, average, + # minimum, and maximum have been added as shortcuts. Options such as <tt>:conditions</tt>, + # <tt>:order</tt>, <tt>:group</tt>, <tt>:having</tt>, and <tt>:joins</tt> can be passed to customize the query. # # There are two basic forms of output: - # * Single aggregate value: The single value is type cast to Fixnum for COUNT, Float for AVG, and the given column's type for everything else. - # * Grouped values: This returns an ordered hash of the values and groups them by the <tt>:group</tt> option. It takes either a column name, or the name - # of a belongs_to association. + # * Single aggregate value: The single value is type cast to Fixnum for COUNT, Float + # for AVG, and the given column's type for everything else. + # * Grouped values: This returns an ordered hash of the values and groups them by the + # <tt>:group</tt> option. It takes either a column name, or the name of a belongs_to association. # # values = Person.maximum(:age, :group => 'last_name') # puts values["Drake"] @@ -102,21 +119,30 @@ module ActiveRecord # end # # Options: - # * <tt>:conditions</tt> - An SQL fragment like "administrator = 1" or [ "user_name = ?", username ]. See conditions in the intro to ActiveRecord::Base. - # * <tt>:include</tt>: Eager loading, see Associations for details. Since calculations don't load anything, the purpose of this is to access fields on joined tables in your conditions, order, or group clauses. - # * <tt>:joins</tt> - An SQL fragment for additional joins like "LEFT JOIN comments ON comments.post_id = id". (Rarely needed). - # The records will be returned read-only since they will have attributes that do not correspond to the table's columns. + # * <tt>:conditions</tt> - An SQL fragment like "administrator = 1" or [ "user_name = ?", username ]. + # See conditions in the intro to ActiveRecord::Base. + # * <tt>:include</tt>: Eager loading, see Associations for details. Since calculations don't load anything, + # the purpose of this is to access fields on joined tables in your conditions, order, or group clauses. + # * <tt>:joins</tt> - An SQL fragment for additional joins like "LEFT JOIN comments ON comments.post_id = id". + # (Rarely needed). + # The records will be returned read-only since they will have attributes that do not correspond to the + # table's columns. # * <tt>:order</tt> - An SQL fragment like "created_at DESC, name" (really only used with GROUP BY calculations). # * <tt>:group</tt> - An attribute name by which the result should be grouped. Uses the GROUP BY SQL-clause. - # * <tt>:select</tt> - By default, this is * as in SELECT * FROM, but can be changed if you for example want to do a join, but not - # include the joined columns. - # * <tt>:distinct</tt> - Set this to true to make this a distinct calculation, such as SELECT COUNT(DISTINCT posts.id) ... + # * <tt>:select</tt> - By default, this is * as in SELECT * FROM, but can be changed if you for example + # want to do a join, but not include the joined columns. + # * <tt>:distinct</tt> - Set this to true to make this a distinct calculation, such as + # SELECT COUNT(DISTINCT posts.id) ... # # Examples: # Person.calculate(:count, :all) # The same as Person.count # Person.average(:age) # SELECT AVG(age) FROM people... - # Person.minimum(:age, :conditions => ['last_name != ?', 'Drake']) # Selects the minimum age for everyone with a last name other than 'Drake' - # Person.minimum(:age, :having => 'min(age) > 17', :group => :last_name) # Selects the minimum age for any family without any minors + # Person.minimum(:age, :conditions => ['last_name != ?', 'Drake']) # Selects the minimum age for + # # everyone with a last name other than 'Drake' + # + # # Selects the minimum age for any family without any minors + # Person.minimum(:age, :having => 'min(age) > 17', :group => :last_name) + # # Person.sum("2 * age") def calculate(operation, column_name, options = {}) if options.except(:distinct).present? diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 3bf4c5bdd1..b34c11973b 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -21,23 +21,28 @@ module ActiveRecord # # ==== Parameters # - # * <tt>:conditions</tt> - An SQL fragment like "administrator = 1", <tt>[ "user_name = ?", username ]</tt>, or <tt>["user_name = :user_name", { :user_name => user_name }]</tt>. See conditions in the intro. + # * <tt>:conditions</tt> - An SQL fragment like "administrator = 1", <tt>[ "user_name = ?", username ]</tt>, + # or <tt>["user_name = :user_name", { :user_name => user_name }]</tt>. See conditions in the intro. # * <tt>:order</tt> - An SQL fragment like "created_at DESC, name". # * <tt>:group</tt> - An attribute name by which the result should be grouped. Uses the <tt>GROUP BY</tt> SQL-clause. - # * <tt>:having</tt> - Combined with +:group+ this can be used to filter the records that a <tt>GROUP BY</tt> returns. Uses the <tt>HAVING</tt> SQL-clause. + # * <tt>:having</tt> - Combined with +:group+ this can be used to filter the records that a + # <tt>GROUP BY</tt> returns. Uses the <tt>HAVING</tt> SQL-clause. # * <tt>:limit</tt> - An integer determining the limit on the number of rows that should be returned. - # * <tt>:offset</tt> - An integer determining the offset from where the rows should be fetched. So at 5, it would skip rows 0 through 4. + # * <tt>:offset</tt> - An integer determining the offset from where the rows should be fetched. So at 5, + # it would skip rows 0 through 4. # * <tt>:joins</tt> - Either an SQL fragment for additional joins like "LEFT JOIN comments ON comments.post_id = id" (rarely needed), - # named associations in the same form used for the <tt>:include</tt> option, which will perform an <tt>INNER JOIN</tt> on the associated table(s), + # named associations in the same form used for the <tt>:include</tt> option, which will perform an + # <tt>INNER JOIN</tt> on the associated table(s), # or an array containing a mixture of both strings and named associations. - # If the value is a string, then the records will be returned read-only since they will have attributes that do not correspond to the table's columns. + # If the value is a string, then the records will be returned read-only since they will + # have attributes that do not correspond to the table's columns. # Pass <tt>:readonly => false</tt> to override. # * <tt>:include</tt> - Names associations that should be loaded alongside. The symbols named refer # to already defined associations. See eager loading under Associations. - # * <tt>:select</tt> - By default, this is "*" as in "SELECT * FROM", but can be changed if you, for example, want to do a join but not - # include the joined columns. Takes a string with the SELECT SQL fragment (e.g. "id, name"). - # * <tt>:from</tt> - By default, this is the table name of the class, but can be changed to an alternate table name (or even the name - # of a database view). + # * <tt>:select</tt> - By default, this is "*" as in "SELECT * FROM", but can be changed if you, + # for example, want to do a join but not include the joined columns. Takes a string with the SELECT SQL fragment (e.g. "id, name"). + # * <tt>:from</tt> - By default, this is the table name of the class, but can be changed + # to an alternate table name (or even the name of a database view). # * <tt>:readonly</tt> - Mark the returned records read-only so they cannot be saved or updated. # * <tt>:lock</tt> - An SQL fragment like "FOR UPDATE" or "LOCK IN SHARE MODE". # <tt>:lock => true</tt> gives connection's default exclusive lock, usually "FOR UPDATE". @@ -164,6 +169,8 @@ module ActiveRecord # Person.exists?(['name LIKE ?', "%#{query}%"]) # Person.exists? def exists?(id = nil) + id = id.id if ActiveRecord::Base === id + case id when Array, Hash where(id).exists? @@ -279,6 +286,8 @@ module ActiveRecord end def find_one(id) + id = id.id if ActiveRecord::Base === id + record = where(primary_key.eq(id)).first unless record diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index 4692271266..e71f1cca72 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -11,91 +11,91 @@ module ActiveRecord def includes(*args) args.reject! { |a| a.blank? } - clone.tap { |r| r.includes_values += args if args.present? } + clone.tap {|r| r.includes_values += args if args.present? } end def eager_load(*args) - clone.tap { |r| r.eager_load_values += args if args.present? } + clone.tap {|r| r.eager_load_values += args if args.present? } end def preload(*args) - clone.tap { |r| r.preload_values += args if args.present? } + clone.tap {|r| r.preload_values += args if args.present? } end def select(*args) if block_given? - to_a.select { |*block_args| yield(*block_args) } + to_a.select {|*block_args| yield(*block_args) } else - clone.tap { |r| r.select_values += args if args.present? } + clone.tap {|r| r.select_values += args if args.present? } end end def group(*args) - clone.tap { |r| r.group_values += args if args.present? } + clone.tap {|r| r.group_values += args.flatten if args.present? } end def order(*args) - clone.tap { |r| r.order_values += args if args.present? } + clone.tap {|r| r.order_values += args if args.present? } end def reorder(*args) - clone.tap { |r| r.order_values = args if args.present? } + clone.tap {|r| r.order_values = args if args.present? } end def joins(*args) args.flatten! - clone.tap { |r| r.joins_values += args if args.present? } + clone.tap {|r| r.joins_values += args if args.present? } end - def where(*args) - value = build_where(*args) - clone.tap { |r| r.where_values += Array.wrap(value) if value.present? } + def where(opts, *rest) + value = build_where(opts, rest) + value ? clone.tap {|r| r.where_values += Array.wrap(value) } : clone end def having(*args) value = build_where(*args) - clone.tap { |r| r.having_values += Array.wrap(value) if value.present? } + clone.tap {|r| r.having_values += Array.wrap(value) if value.present? } end def limit(value = true) - clone.tap { |r| r.limit_value = value } + clone.tap {|r| r.limit_value = value } end def offset(value = true) - clone.tap { |r| r.offset_value = value } + clone.tap {|r| r.offset_value = value } end def lock(locks = true) case locks when String, TrueClass, NilClass - clone.tap { |r| r.lock_value = locks || true } + clone.tap {|r| r.lock_value = locks || true } else - clone.tap { |r| r.lock_value = false } + clone.tap {|r| r.lock_value = false } end end def readonly(value = true) - clone.tap { |r| r.readonly_value = value } + clone.tap {|r| r.readonly_value = value } end def create_with(value = true) - clone.tap { |r| r.create_with_value = value } + clone.tap {|r| r.create_with_value = value } end def from(value = true) - clone.tap { |r| r.from_value = value } + clone.tap {|r| r.from_value = value } end def extending(*modules, &block) modules << Module.new(&block) if block_given? - clone.tap { |r| r.send(:apply_modules, *modules) } + clone.tap {|r| r.send(:apply_modules, *modules) } end def reverse_order order_clause = arel.send(:order_clauses).join(', ') relation = except(:order) - if order_clause.present? + unless order_clauses.blank? relation.order(reverse_sql_order(order_clause)) else relation.order("#{@klass.table_name}.#{@klass.primary_key} DESC") @@ -129,7 +129,7 @@ module ActiveRecord def build_arel arel = table - arel = build_joins(arel, @joins_values) if @joins_values.present? + arel = build_joins(arel, @joins_values) unless @joins_values.empty? @where_values.uniq.each do |where| next if where.blank? @@ -143,36 +143,27 @@ module ActiveRecord end end - arel = arel.having(*@having_values.uniq.select{|h| h.present?}) if @having_values.present? + arel = arel.having(*@having_values.uniq.select{|h| h.present?}) unless @having_values.empty? - arel = arel.take(@limit_value) if @limit_value.present? - arel = arel.skip(@offset_value) if @offset_value.present? + arel = arel.take(@limit_value) if @limit_value + arel = arel.skip(@offset_value) if @offset_value - arel = arel.group(*@group_values.uniq.select{|g| g.present?}) if @group_values.present? + arel = arel.group(*@group_values.uniq.select{|g| g.present?}) unless @group_values.empty? - arel = arel.order(*@order_values.uniq.select{|o| o.present?}) if @order_values.present? + arel = arel.order(*@order_values.uniq.select{|o| o.present?}) unless @order_values.empty? arel = build_select(arel, @select_values.uniq) - arel = arel.from(@from_value) if @from_value.present? - - case @lock_value - when TrueClass - arel = arel.lock - when String - arel = arel.lock(@lock_value) - end if @lock_value.present? + arel = arel.from(@from_value) if @from_value + arel = arel.lock(@lock_value) if @lock_value arel end - def build_where(*args) - return if args.blank? - - opts = args.first + def build_where(opts, other = []) case opts when String, Array - @klass.send(:sanitize_sql, args.size > 1 ? args : opts) + @klass.send(:sanitize_sql, other.empty? ? opts : ([opts] + other)) when Hash attributes = @klass.send(:expand_hash_conditions_for_aggregates, opts) PredicateBuilder.new(table.engine).build_from_hash(attributes, table) @@ -230,7 +221,7 @@ module ActiveRecord @implicit_readonly = false # TODO: fix this ugly hack, we should refactor the callers to get an ARel compatible array. # Before this change we were passing to ARel the last element only, and ARel is capable of handling an array - if selects.all? { |s| s.is_a?(String) || !s.is_a?(Arel::Expression) } && !(selects.last =~ /^COUNT\(/) + if selects.all? {|s| s.is_a?(String) || !s.is_a?(Arel::Expression) } && !(selects.last =~ /^COUNT\(/) arel.project(*selects) else arel.project(selects.last) @@ -247,7 +238,7 @@ module ActiveRecord end def reverse_sql_order(order_query) - order_query.to_s.split(/,/).each { |s| + order_query.split(',').each { |s| if s.match(/\s(asc|ASC)$/) s.gsub!(/\s(asc|ASC)$/, ' DESC') elsif s.match(/\s(desc|DESC)$/) diff --git a/activerecord/lib/active_record/schema.rb b/activerecord/lib/active_record/schema.rb index e2783087ec..c1bc3214ea 100644 --- a/activerecord/lib/active_record/schema.rb +++ b/activerecord/lib/active_record/schema.rb @@ -2,7 +2,7 @@ require 'active_support/core_ext/object/blank' module ActiveRecord # = Active Record Schema - # + # # Allows programmers to programmatically define a schema in a portable # DSL. This means you can define tables, indexes, etc. without using SQL # directly, so your applications can more easily support multiple diff --git a/activerecord/lib/active_record/schema_dumper.rb b/activerecord/lib/active_record/schema_dumper.rb index a4757773d8..e9af20e1b6 100644 --- a/activerecord/lib/active_record/schema_dumper.rb +++ b/activerecord/lib/active_record/schema_dumper.rb @@ -8,13 +8,13 @@ module ActiveRecord # output format (i.e., ActiveRecord::Schema). class SchemaDumper #:nodoc: private_class_method :new - + ## # :singleton-method: - # A list of tables which should not be dumped to the schema. + # A list of tables which should not be dumped to the schema. # Acceptable values are strings as well as regexp. # This setting is only used if ActiveRecord::Base.schema_format == :ruby - cattr_accessor :ignore_tables + cattr_accessor :ignore_tables @@ignore_tables = [] def self.dump(connection=ActiveRecord::Base.connection, stream=STDOUT) @@ -71,7 +71,7 @@ HEADER else raise StandardError, 'ActiveRecord::SchemaDumper.ignore_tables accepts an array of String and / or Regexp values.' end - end + end table(tbl, stream) end end @@ -87,7 +87,7 @@ HEADER elsif @connection.respond_to?(:primary_key) pk = @connection.primary_key(table) end - + tbl.print " create_table #{table.inspect}" if columns.detect { |c| c.name == pk } if pk != 'id' @@ -105,7 +105,7 @@ HEADER next if column.name == pk spec = {} spec[:name] = column.name.inspect - + # AR has an optimisation which handles zero-scale decimals as integers. This # code ensures that the dumper still dumps the column as a decimal. spec[:type] = if column.type == :integer && [/^numeric/, /^decimal/].any? { |e| e.match(column.sql_type) } @@ -148,7 +148,7 @@ HEADER tbl.puts " end" tbl.puts - + indexes(table, tbl) tbl.rewind @@ -158,7 +158,7 @@ HEADER stream.puts "# #{e.message}" stream.puts end - + stream end @@ -172,7 +172,7 @@ HEADER value.inspect end end - + def indexes(table, stream) if (indexes = @connection.indexes(table)).any? add_index_statements = indexes.map do |index| diff --git a/activerecord/lib/active_record/session_store.rb b/activerecord/lib/active_record/session_store.rb index b88d550086..becde0fbfd 100644 --- a/activerecord/lib/active_record/session_store.rb +++ b/activerecord/lib/active_record/session_store.rb @@ -16,7 +16,7 @@ module ActiveRecord # ActionController::SessionOverflowError will be raised. # # You may configure the table name, primary key, and data column. - # For example, at the end of <tt>config/environment.rb</tt>: + # For example, at the end of <tt>config/application.rb</tt>: # # ActiveRecord::SessionStore::Session.table_name = 'legacy_session_table' # ActiveRecord::SessionStore::Session.primary_key = 'session_id' @@ -49,8 +49,34 @@ module ActiveRecord # The example SqlBypass class is a generic SQL session store. You may # use it as a basis for high-performance database-specific stores. class SessionStore < ActionDispatch::Session::AbstractStore + module ClassMethods # :nodoc: + def marshal(data) + ActiveSupport::Base64.encode64(Marshal.dump(data)) if data + end + + def unmarshal(data) + Marshal.load(ActiveSupport::Base64.decode64(data)) if data + end + + def drop_table! + connection.execute "DROP TABLE #{table_name}" + end + + def create_table! + connection.execute <<-end_sql + CREATE TABLE #{table_name} ( + id #{connection.type_to_sql(:primary_key)}, + #{connection.quote_column_name(session_id_column)} VARCHAR(255) UNIQUE, + #{connection.quote_column_name(data_column_name)} TEXT + ) + end_sql + end + end + # The default Active Record class. class Session < ActiveRecord::Base + extend ClassMethods + ## # :singleton-method: # Customizable data column name. Defaults to 'data'. @@ -62,7 +88,7 @@ module ActiveRecord class << self def data_column_size_limit - @data_column_size_limit ||= columns_hash[@@data_column_name].limit + @data_column_size_limit ||= columns_hash[data_column_name].limit end # Hook to set up sessid compatibility. @@ -71,29 +97,11 @@ module ActiveRecord find_by_session_id(session_id) end - def marshal(data) - ActiveSupport::Base64.encode64(Marshal.dump(data)) if data - end - - def unmarshal(data) - Marshal.load(ActiveSupport::Base64.decode64(data)) if data - end - - def create_table! - connection.execute <<-end_sql - CREATE TABLE #{table_name} ( - id INTEGER PRIMARY KEY, - #{connection.quote_column_name('session_id')} TEXT UNIQUE, - #{connection.quote_column_name(@@data_column_name)} TEXT(255) - ) - end_sql - end - - def drop_table! - connection.execute "DROP TABLE #{table_name}" - end - private + def session_id_column + 'session_id' + end + # Compatibility with tables using sessid instead of session_id. def setup_sessid_compatibility! # Reset column info since it may be stale. @@ -106,6 +114,8 @@ module ActiveRecord define_method(:session_id) { sessid } define_method(:session_id=) { |session_id| self.sessid = session_id } else + class << self; remove_method :find_by_session_id; end + def self.find_by_session_id(session_id) find :first, :conditions => {:session_id=>session_id} end @@ -113,6 +123,11 @@ module ActiveRecord end end + def initialize(attributes = nil) + @data = nil + super + end + # Lazy-unmarshal session state. def data @data ||= self.class.unmarshal(read_attribute(@@data_column_name)) || {} @@ -122,22 +137,22 @@ module ActiveRecord # Has the session been loaded yet? def loaded? - !!@data + @data end private def marshal_data! - return false if !loaded? - write_attribute(@@data_column_name, self.class.marshal(self.data)) + return false unless loaded? + write_attribute(@@data_column_name, self.class.marshal(data)) end # Ensures that the data about to be stored in the database is not # larger than the data storage column. Raises # ActionController::SessionOverflowError. def raise_on_session_data_overflow! - return false if !loaded? + return false unless loaded? limit = self.class.data_column_size_limit - if loaded? and limit and read_attribute(@@data_column_name).size > limit + if limit and read_attribute(@@data_column_name).size > limit raise ActionController::SessionOverflowError end end @@ -162,6 +177,8 @@ module ActiveRecord # binary session data in a +text+ column. For higher performance, # store in a +blob+ column instead and forgo the Base64 encoding. class SqlBypass + extend ClassMethods + ## # :singleton-method: # Use the ActiveRecord::Base.connection by default. @@ -186,6 +203,8 @@ module ActiveRecord @@data_column = 'data' class << self + alias :data_column_name :data_column + def connection @@connection ||= ActiveRecord::Base.connection end @@ -196,43 +215,21 @@ module ActiveRecord new(:session_id => session_id, :marshaled_data => record['data']) end end - - def marshal(data) - ActiveSupport::Base64.encode64(Marshal.dump(data)) if data - end - - def unmarshal(data) - Marshal.load(ActiveSupport::Base64.decode64(data)) if data - end - - def create_table! - @@connection.execute <<-end_sql - CREATE TABLE #{table_name} ( - id INTEGER PRIMARY KEY, - #{@@connection.quote_column_name(session_id_column)} TEXT UNIQUE, - #{@@connection.quote_column_name(data_column)} TEXT - ) - end_sql - end - - def drop_table! - @@connection.execute "DROP TABLE #{table_name}" - end end - attr_reader :session_id + attr_reader :session_id, :new_record + alias :new_record? :new_record + attr_writer :data # Look for normal and marshaled data, self.find_by_session_id's way of # telling us to postpone unmarshaling until the data is requested. # We need to handle a normal data attribute in case of a new record. def initialize(attributes) - @session_id, @data, @marshaled_data = attributes[:session_id], attributes[:data], attributes[:marshaled_data] - @new_record = @marshaled_data.nil? - end - - def new_record? - @new_record + @session_id = attributes[:session_id] + @data = attributes[:data] + @marshaled_data = attributes[:marshaled_data] + @new_record = @marshaled_data.nil? end # Lazy-unmarshal session state. @@ -248,39 +245,41 @@ module ActiveRecord end def loaded? - !!@data + @data end def save - return false if !loaded? + return false unless loaded? marshaled_data = self.class.marshal(data) + connect = connection if @new_record @new_record = false - @@connection.update <<-end_sql, 'Create session' - INSERT INTO #{@@table_name} ( - #{@@connection.quote_column_name(@@session_id_column)}, - #{@@connection.quote_column_name(@@data_column)} ) + connect.update <<-end_sql, 'Create session' + INSERT INTO #{table_name} ( + #{connect.quote_column_name(session_id_column)}, + #{connect.quote_column_name(data_column)} ) VALUES ( - #{@@connection.quote(session_id)}, - #{@@connection.quote(marshaled_data)} ) + #{connect.quote(session_id)}, + #{connect.quote(marshaled_data)} ) end_sql else - @@connection.update <<-end_sql, 'Update session' - UPDATE #{@@table_name} - SET #{@@connection.quote_column_name(@@data_column)}=#{@@connection.quote(marshaled_data)} - WHERE #{@@connection.quote_column_name(@@session_id_column)}=#{@@connection.quote(session_id)} + connect.update <<-end_sql, 'Update session' + UPDATE #{table_name} + SET #{connect.quote_column_name(data_column)}=#{connect.quote(marshaled_data)} + WHERE #{connect.quote_column_name(session_id_column)}=#{connect.quote(session_id)} end_sql end end def destroy - unless @new_record - @@connection.delete <<-end_sql, 'Destroy session' - DELETE FROM #{@@table_name} - WHERE #{@@connection.quote_column_name(@@session_id_column)}=#{@@connection.quote(session_id)} - end_sql - end + return if @new_record + + connect = connection + connect.delete <<-end_sql, 'Destroy session' + DELETE FROM #{table_name} + WHERE #{connect.quote_column_name(session_id_column)}=#{connect.quote(session_id)} + end_sql end end @@ -289,7 +288,7 @@ module ActiveRecord cattr_accessor :session_class self.session_class = Session - SESSION_RECORD_KEY = 'rack.session.record'.freeze + SESSION_RECORD_KEY = 'rack.session.record' private def get_session(env, sid) @@ -317,7 +316,7 @@ module ActiveRecord sid end - + def destroy(env) if sid = current_session_id(env) Base.silence do diff --git a/activerecord/lib/active_record/timestamp.rb b/activerecord/lib/active_record/timestamp.rb index 1075a60f07..5531d12a41 100644 --- a/activerecord/lib/active_record/timestamp.rb +++ b/activerecord/lib/active_record/timestamp.rb @@ -12,6 +12,19 @@ module ActiveRecord # Timestamps are in the local timezone by default but you can use UTC by setting: # # <tt>ActiveRecord::Base.default_timezone = :utc</tt> + # + # == Time Zone aware attributes + # + # By default, ActiveRecord::Base keeps all the datetime columns time zone aware by executing following code. + # + # ActiveRecord::Base.time_zone_aware_attributes = true + # + # This feature can easily be turned off by assigning value <tt>false</tt> . + # + # If your attributes are time zone aware and you desire to skip time zone conversion for certain + # attributes then you can do following: + # + # Topic.skip_time_zone_conversion_for_attributes = [:written_on] module Timestamp extend ActiveSupport::Concern @@ -19,35 +32,16 @@ module ActiveRecord class_inheritable_accessor :record_timestamps, :instance_writer => false self.record_timestamps = true end - - # Saves the record with the updated_at/on attributes set to the current time. - # If the save fails because of validation errors, an - # ActiveRecord::RecordInvalid exception is raised. If an attribute name is passed, - # that attribute is used for the touch instead of the updated_at/on attributes. - # - # Examples: - # - # product.touch # updates updated_at - # product.touch(:designed_at) # updates the designed_at attribute - def touch(attribute = nil) - current_time = current_time_from_proper_timezone - - if attribute - write_attribute(attribute, current_time) - else - timestamp_attributes_for_update_in_model.each { |column| write_attribute(column.to_s, current_time) } - end - - save! - end private + def create #:nodoc: if record_timestamps current_time = current_time_from_proper_timezone - write_attribute('created_at', current_time) if respond_to?(:created_at) && created_at.nil? - write_attribute('created_on', current_time) if respond_to?(:created_on) && created_on.nil? + timestamp_attributes_for_create.each do |column| + write_attribute(column.to_s, current_time) if respond_to?(column) && self.send(column).nil? + end timestamp_attributes_for_update_in_model.each do |column| write_attribute(column.to_s, current_time) if self.send(column).nil? @@ -58,22 +52,33 @@ module ActiveRecord end def update(*args) #:nodoc: - record_update_timestamps + record_update_timestamps if !partial_updates? || changed? super end - def record_update_timestamps - if record_timestamps && (!partial_updates? || changed?) - current_time = current_time_from_proper_timezone - timestamp_attributes_for_update_in_model.each { |column| write_attribute(column.to_s, current_time) } - true - else - false + def record_update_timestamps #:nodoc: + return unless record_timestamps + current_time = current_time_from_proper_timezone + timestamp_attributes_for_update_in_model.inject({}) do |hash, column| + hash[column.to_s] = write_attribute(column.to_s, current_time) + hash end end def timestamp_attributes_for_update_in_model #:nodoc: - [:updated_at, :updated_on].select { |elem| respond_to?(elem) } + timestamp_attributes_for_update.select { |elem| respond_to?(elem) } + end + + def timestamp_attributes_for_update #:nodoc: + [:updated_at, :updated_on] + end + + def timestamp_attributes_for_create #:nodoc: + [:created_at, :created_on] + end + + def all_timestamp_attributes #:nodoc: + timestamp_attributes_for_update + timestamp_attributes_for_create end def current_time_from_proper_timezone #:nodoc: diff --git a/activerecord/lib/active_record/validations/associated.rb b/activerecord/lib/active_record/validations/associated.rb index 0b0f5682aa..15b587de45 100644 --- a/activerecord/lib/active_record/validations/associated.rb +++ b/activerecord/lib/active_record/validations/associated.rb @@ -27,8 +27,9 @@ module ActiveRecord # # this would specify a circular dependency and cause infinite recursion. # - # NOTE: This validation will not fail if the association hasn't been assigned. If you want to ensure that the association - # is both present and guaranteed to be valid, you also need to use +validates_presence_of+. + # NOTE: This validation will not fail if the association hasn't been assigned. If you want to + # ensure that the association is both present and guaranteed to be valid, you also need to + # use +validates_presence_of+. # # Configuration options: # * <tt>:message</tt> - A custom error message (default is: "is invalid") @@ -44,4 +45,4 @@ module ActiveRecord end end end -end
\ No newline at end of file +end diff --git a/activerecord/lib/active_record/validations/uniqueness.rb b/activerecord/lib/active_record/validations/uniqueness.rb index 1c9ecc7b1b..bf863c7063 100644 --- a/activerecord/lib/active_record/validations/uniqueness.rb +++ b/activerecord/lib/active_record/validations/uniqueness.rb @@ -78,22 +78,25 @@ module ActiveRecord end module ClassMethods - # Validates whether the value of the specified attributes are unique across the system. Useful for making sure that only one user + # Validates whether the value of the specified attributes are unique across the system. + # Useful for making sure that only one user # can be named "davidhh". # # class Person < ActiveRecord::Base # validates_uniqueness_of :user_name, :scope => :account_id # end # - # It can also validate whether the value of the specified attributes are unique based on multiple scope parameters. For example, - # making sure that a teacher can only be on the schedule once per semester for a particular class. + # It can also validate whether the value of the specified attributes are unique based on multiple + # scope parameters. For example, making sure that a teacher can only be on the schedule once + # per semester for a particular class. # # class TeacherSchedule < ActiveRecord::Base # validates_uniqueness_of :teacher_id, :scope => [:semester_id, :class_id] # end # - # When the record is created, a check is performed to make sure that no record exists in the database with the given value for the specified - # attribute (that maps to a column). When the record is updated, the same check is made but disregarding the record itself. + # When the record is created, a check is performed to make sure that no record exists in the database + # with the given value for the specified attribute (that maps to a column). When the record is updated, + # the same check is made but disregarding the record itself. # # Configuration options: # * <tt>:message</tt> - Specifies a custom error message (default is: "has already been taken"). @@ -102,11 +105,12 @@ module ActiveRecord # * <tt>:allow_nil</tt> - If set to true, skips this validation if the attribute is +nil+ (default is +false+). # * <tt>:allow_blank</tt> - If set to true, skips this validation if the attribute is blank (default is +false+). # * <tt>:if</tt> - Specifies a method, proc or string to call to determine if the validation should - # occur (e.g. <tt>:if => :allow_validation</tt>, or <tt>:if => Proc.new { |user| user.signup_step > 2 }</tt>). The - # method, proc or string should return or evaluate to a true or false value. + # occur (e.g. <tt>:if => :allow_validation</tt>, or <tt>:if => Proc.new { |user| user.signup_step > 2 }</tt>). + # The method, proc or string should return or evaluate to a true or false value. # * <tt>:unless</tt> - Specifies a method, proc or string to call to determine if the validation should - # not occur (e.g. <tt>:unless => :skip_validation</tt>, or <tt>:unless => Proc.new { |user| user.signup_step <= 2 }</tt>). The - # method, proc or string should return or evaluate to a true or false value. + # not occur (e.g. <tt>:unless => :skip_validation</tt>, or + # <tt>:unless => Proc.new { |user| user.signup_step <= 2 }</tt>). The method, proc or string should + # return or evaluate to a true or false value. # # === Concurrency and integrity # diff --git a/activerecord/lib/active_record/version.rb b/activerecord/lib/active_record/version.rb index d18fed0131..a467ffa960 100644 --- a/activerecord/lib/active_record/version.rb +++ b/activerecord/lib/active_record/version.rb @@ -3,7 +3,7 @@ module ActiveRecord MAJOR = 3 MINOR = 0 TINY = 0 - BUILD = "beta4" + BUILD = "rc" STRING = [MAJOR, MINOR, TINY, BUILD].join('.') end diff --git a/activerecord/test/cases/adapters/mysql/active_schema_test.rb b/activerecord/test/cases/adapters/mysql/active_schema_test.rb index 6e6645511c..509baacaef 100644 --- a/activerecord/test/cases/adapters/mysql/active_schema_test.rb +++ b/activerecord/test/cases/adapters/mysql/active_schema_test.rb @@ -42,7 +42,7 @@ class ActiveSchemaTest < ActiveRecord::TestCase assert_equal "DROP TABLE `people`", drop_table(:people) end - if current_adapter?(:MysqlAdapter) + if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) def test_create_mysql_database_with_encoding assert_equal "CREATE DATABASE `matt` DEFAULT CHARACTER SET `utf8`", create_database(:matt) assert_equal "CREATE DATABASE `aimonetti` DEFAULT CHARACTER SET `latin1`", create_database(:aimonetti, {:charset => 'latin1'}) @@ -101,6 +101,7 @@ class ActiveSchemaTest < ActiveRecord::TestCase #we need to actually modify some data, so we make execute point to the original method ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do alias_method :execute_with_stub, :execute + remove_method :execute alias_method :execute, :execute_without_stub end yield diff --git a/activerecord/test/cases/adapters/mysql2/active_schema_test.rb b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb new file mode 100644 index 0000000000..a83399d0cd --- /dev/null +++ b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb @@ -0,0 +1,125 @@ +require "cases/helper" + +class ActiveSchemaTest < ActiveRecord::TestCase + def setup + ActiveRecord::ConnectionAdapters::Mysql2Adapter.class_eval do + alias_method :execute_without_stub, :execute + remove_method :execute + def execute(sql, name = nil) return sql end + end + end + + def teardown + ActiveRecord::ConnectionAdapters::Mysql2Adapter.class_eval do + remove_method :execute + alias_method :execute, :execute_without_stub + end + end + + def test_add_index + # add_index calls index_name_exists? which can't work since execute is stubbed + ActiveRecord::ConnectionAdapters::Mysql2Adapter.send(:define_method, :index_name_exists?) do |*| + false + end + expected = "CREATE INDEX `index_people_on_last_name` ON `people` (`last_name`)" + assert_equal expected, add_index(:people, :last_name, :length => nil) + + expected = "CREATE INDEX `index_people_on_last_name` ON `people` (`last_name`(10))" + assert_equal expected, add_index(:people, :last_name, :length => 10) + + expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`(15))" + assert_equal expected, add_index(:people, [:last_name, :first_name], :length => 15) + + expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`)" + assert_equal expected, add_index(:people, [:last_name, :first_name], :length => {:last_name => 15}) + + expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`(10))" + assert_equal expected, add_index(:people, [:last_name, :first_name], :length => {:last_name => 15, :first_name => 10}) + ActiveRecord::ConnectionAdapters::Mysql2Adapter.send(:remove_method, :index_name_exists?) + end + + def test_drop_table + assert_equal "DROP TABLE `people`", drop_table(:people) + end + + if current_adapter?(:Mysql2Adapter) + def test_create_mysql_database_with_encoding + assert_equal "CREATE DATABASE `matt` DEFAULT CHARACTER SET `utf8`", create_database(:matt) + assert_equal "CREATE DATABASE `aimonetti` DEFAULT CHARACTER SET `latin1`", create_database(:aimonetti, {:charset => 'latin1'}) + assert_equal "CREATE DATABASE `matt_aimonetti` DEFAULT CHARACTER SET `big5` COLLATE `big5_chinese_ci`", create_database(:matt_aimonetti, {:charset => :big5, :collation => :big5_chinese_ci}) + end + + def test_recreate_mysql_database_with_encoding + create_database(:luca, {:charset => 'latin1'}) + assert_equal "CREATE DATABASE `luca` DEFAULT CHARACTER SET `latin1`", recreate_database(:luca, {:charset => 'latin1'}) + end + end + + def test_add_column + assert_equal "ALTER TABLE `people` ADD `last_name` varchar(255)", add_column(:people, :last_name, :string) + end + + def test_add_column_with_limit + assert_equal "ALTER TABLE `people` ADD `key` varchar(32)", add_column(:people, :key, :string, :limit => 32) + end + + def test_drop_table_with_specific_database + assert_equal "DROP TABLE `otherdb`.`people`", drop_table('otherdb.people') + end + + def test_add_timestamps + with_real_execute do + begin + ActiveRecord::Base.connection.create_table :delete_me do |t| + end + ActiveRecord::Base.connection.add_timestamps :delete_me + assert column_present?('delete_me', 'updated_at', 'datetime') + assert column_present?('delete_me', 'created_at', 'datetime') + ensure + ActiveRecord::Base.connection.drop_table :delete_me rescue nil + end + end + end + + def test_remove_timestamps + with_real_execute do + begin + ActiveRecord::Base.connection.create_table :delete_me do |t| + t.timestamps + end + ActiveRecord::Base.connection.remove_timestamps :delete_me + assert !column_present?('delete_me', 'updated_at', 'datetime') + assert !column_present?('delete_me', 'created_at', 'datetime') + ensure + ActiveRecord::Base.connection.drop_table :delete_me rescue nil + end + end + end + + private + def with_real_execute + #we need to actually modify some data, so we make execute point to the original method + ActiveRecord::ConnectionAdapters::Mysql2Adapter.class_eval do + alias_method :execute_with_stub, :execute + remove_method :execute + alias_method :execute, :execute_without_stub + end + yield + ensure + #before finishing, we restore the alias to the mock-up method + ActiveRecord::ConnectionAdapters::Mysql2Adapter.class_eval do + remove_method :execute + alias_method :execute, :execute_with_stub + end + end + + + def method_missing(method_symbol, *arguments) + ActiveRecord::Base.connection.send(method_symbol, *arguments) + end + + def column_present?(table_name, column_name, type) + results = ActiveRecord::Base.connection.select_all("SHOW FIELDS FROM #{table_name} LIKE '#{column_name}'") + results.first && results.first['Type'] == type + end +end diff --git a/activerecord/test/cases/adapters/mysql2/connection_test.rb b/activerecord/test/cases/adapters/mysql2/connection_test.rb new file mode 100644 index 0000000000..b973da621b --- /dev/null +++ b/activerecord/test/cases/adapters/mysql2/connection_test.rb @@ -0,0 +1,42 @@ +require "cases/helper" + +class MysqlConnectionTest < ActiveRecord::TestCase + def setup + super + @connection = ActiveRecord::Base.connection + end + + def test_no_automatic_reconnection_after_timeout + assert @connection.active? + @connection.update('set @@wait_timeout=1') + sleep 2 + assert !@connection.active? + end + + def test_successful_reconnection_after_timeout_with_manual_reconnect + assert @connection.active? + @connection.update('set @@wait_timeout=1') + sleep 2 + @connection.reconnect! + assert @connection.active? + end + + def test_successful_reconnection_after_timeout_with_verify + assert @connection.active? + @connection.update('set @@wait_timeout=1') + sleep 2 + @connection.verify! + assert @connection.active? + end + + private + + def run_without_connection + original_connection = ActiveRecord::Base.remove_connection + begin + yield original_connection + ensure + ActiveRecord::Base.establish_connection(original_connection) + end + end +end diff --git a/activerecord/test/cases/adapters/mysql2/reserved_word_test.rb b/activerecord/test/cases/adapters/mysql2/reserved_word_test.rb new file mode 100644 index 0000000000..90d8b0d923 --- /dev/null +++ b/activerecord/test/cases/adapters/mysql2/reserved_word_test.rb @@ -0,0 +1,176 @@ +require "cases/helper" + +class Group < ActiveRecord::Base + Group.table_name = 'group' + belongs_to :select, :class_name => 'Select' + has_one :values +end + +class Select < ActiveRecord::Base + Select.table_name = 'select' + has_many :groups +end + +class Values < ActiveRecord::Base + Values.table_name = 'values' +end + +class Distinct < ActiveRecord::Base + Distinct.table_name = 'distinct' + has_and_belongs_to_many :selects + has_many :values, :through => :groups +end + +# a suite of tests to ensure the ConnectionAdapters#MysqlAdapter can handle tables with +# reserved word names (ie: group, order, values, etc...) +class MysqlReservedWordTest < ActiveRecord::TestCase + def setup + @connection = ActiveRecord::Base.connection + + # we call execute directly here (and do similar below) because ActiveRecord::Base#create_table() + # will fail with these table names if these test cases fail + + create_tables_directly 'group'=>'id int auto_increment primary key, `order` varchar(255), select_id int', + 'select'=>'id int auto_increment primary key', + 'values'=>'id int auto_increment primary key, group_id int', + 'distinct'=>'id int auto_increment primary key', + 'distincts_selects'=>'distinct_id int, select_id int' + end + + def teardown + drop_tables_directly ['group', 'select', 'values', 'distinct', 'distincts_selects', 'order'] + end + + # create tables with reserved-word names and columns + def test_create_tables + assert_nothing_raised { + @connection.create_table :order do |t| + t.column :group, :string + end + } + end + + # rename tables with reserved-word names + def test_rename_tables + assert_nothing_raised { @connection.rename_table(:group, :order) } + end + + # alter column with a reserved-word name in a table with a reserved-word name + def test_change_columns + assert_nothing_raised { @connection.change_column_default(:group, :order, 'whatever') } + #the quoting here will reveal any double quoting issues in change_column's interaction with the column method in the adapter + assert_nothing_raised { @connection.change_column('group', 'order', :Int, :default => 0) } + assert_nothing_raised { @connection.rename_column(:group, :order, :values) } + end + + # dump structure of table with reserved word name + def test_structure_dump + assert_nothing_raised { @connection.structure_dump } + end + + # introspect table with reserved word name + def test_introspect + assert_nothing_raised { @connection.columns(:group) } + assert_nothing_raised { @connection.indexes(:group) } + end + + #fixtures + self.use_instantiated_fixtures = true + self.use_transactional_fixtures = false + + #fixtures :group + + def test_fixtures + f = create_test_fixtures :select, :distinct, :group, :values, :distincts_selects + + assert_nothing_raised { + f.each do |x| + x.delete_existing_fixtures + end + } + + assert_nothing_raised { + f.each do |x| + x.insert_fixtures + end + } + end + + #activerecord model class with reserved-word table name + def test_activerecord_model + create_test_fixtures :select, :distinct, :group, :values, :distincts_selects + x = nil + assert_nothing_raised { x = Group.new } + x.order = 'x' + assert_nothing_raised { x.save } + x.order = 'y' + assert_nothing_raised { x.save } + assert_nothing_raised { y = Group.find_by_order('y') } + assert_nothing_raised { y = Group.find(1) } + x = Group.find(1) + end + + # has_one association with reserved-word table name + def test_has_one_associations + create_test_fixtures :select, :distinct, :group, :values, :distincts_selects + v = nil + assert_nothing_raised { v = Group.find(1).values } + assert_equal 2, v.id + end + + # belongs_to association with reserved-word table name + def test_belongs_to_associations + create_test_fixtures :select, :distinct, :group, :values, :distincts_selects + gs = nil + assert_nothing_raised { gs = Select.find(2).groups } + assert_equal gs.length, 2 + assert(gs.collect{|x| x.id}.sort == [2, 3]) + end + + # has_and_belongs_to_many with reserved-word table name + def test_has_and_belongs_to_many + create_test_fixtures :select, :distinct, :group, :values, :distincts_selects + s = nil + assert_nothing_raised { s = Distinct.find(1).selects } + assert_equal s.length, 2 + assert(s.collect{|x|x.id}.sort == [1, 2]) + end + + # activerecord model introspection with reserved-word table and column names + def test_activerecord_introspection + assert_nothing_raised { Group.table_exists? } + assert_nothing_raised { Group.columns } + end + + # Calculations + def test_calculations_work_with_reserved_words + assert_nothing_raised { Group.count } + end + + def test_associations_work_with_reserved_words + assert_nothing_raised { Select.find(:all, :include => [:groups]) } + end + + #the following functions were added to DRY test cases + + private + # custom fixture loader, uses Fixtures#create_fixtures and appends base_path to the current file's path + def create_test_fixtures(*fixture_names) + Fixtures.create_fixtures(FIXTURES_ROOT + "/reserved_words", fixture_names) + end + + # custom drop table, uses execute on connection to drop a table if it exists. note: escapes table_name + def drop_tables_directly(table_names, connection = @connection) + table_names.each do |name| + connection.execute("DROP TABLE IF EXISTS `#{name}`") + end + end + + # custom create table, uses execute on connection to create a table, note: escapes table_name, does NOT escape columns + def create_tables_directly (tables, connection = @connection) + tables.each do |table_name, column_properties| + connection.execute("CREATE TABLE `#{table_name}` ( #{column_properties} )") + end + end + +end diff --git a/activerecord/test/cases/adapters/postgresql/active_schema_test.rb b/activerecord/test/cases/adapters/postgresql/active_schema_test.rb index f106e14319..e4746d4aa3 100644 --- a/activerecord/test/cases/adapters/postgresql/active_schema_test.rb +++ b/activerecord/test/cases/adapters/postgresql/active_schema_test.rb @@ -1,6 +1,6 @@ require 'cases/helper' -class PostgresqlActiveSchemaTest < Test::Unit::TestCase +class PostgresqlActiveSchemaTest < ActiveRecord::TestCase def setup ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.class_eval do alias_method :real_execute, :execute diff --git a/activerecord/test/cases/adapters/postgresql/postgresql_adapter_test.rb b/activerecord/test/cases/adapters/postgresql/postgresql_adapter_test.rb new file mode 100644 index 0000000000..7b72151b57 --- /dev/null +++ b/activerecord/test/cases/adapters/postgresql/postgresql_adapter_test.rb @@ -0,0 +1,17 @@ +require "cases/helper" + +module ActiveRecord + module ConnectionAdapters + class PostgreSQLAdapterTest < ActiveRecord::TestCase + def setup + @connection = ActiveRecord::Base.connection + end + + def test_table_alias_length + assert_nothing_raised do + @connection.table_alias_length + end + end + end + end +end diff --git a/activerecord/test/cases/adapters/sqlite/sqlite_adapter_test.rb b/activerecord/test/cases/adapters/sqlite/sqlite_adapter_test.rb index 2505372b7e..ce0b2f5f5b 100644 --- a/activerecord/test/cases/adapters/sqlite/sqlite_adapter_test.rb +++ b/activerecord/test/cases/adapters/sqlite/sqlite_adapter_test.rb @@ -103,17 +103,107 @@ module ActiveRecord end end + def test_columns + columns = @ctx.columns('items').sort_by { |x| x.name } + assert_equal 2, columns.length + assert_equal %w{ id number }.sort, columns.map { |x| x.name } + assert_equal [nil, nil], columns.map { |x| x.default } + assert_equal [true, true], columns.map { |x| x.null } + end + + def test_columns_with_default + @ctx.execute <<-eosql + CREATE TABLE columns_with_default ( + id integer PRIMARY KEY AUTOINCREMENT, + number integer default 10 + ) + eosql + column = @ctx.columns('columns_with_default').find { |x| + x.name == 'number' + } + assert_equal 10, column.default + end + + def test_columns_with_not_null + @ctx.execute <<-eosql + CREATE TABLE columns_with_default ( + id integer PRIMARY KEY AUTOINCREMENT, + number integer not null + ) + eosql + column = @ctx.columns('columns_with_default').find { |x| + x.name == 'number' + } + assert !column.null, "column should not be null" + end + + def test_indexes_logs + intercept_logs_on @ctx + assert_difference('@ctx.logged.length') do + @ctx.indexes('items') + end + assert_match(/items/, @ctx.logged.last.first) + end + + def test_no_indexes + assert_equal [], @ctx.indexes('items') + end + + def test_index + @ctx.add_index 'items', 'id', :unique => true, :name => 'fun' + index = @ctx.indexes('items').find { |idx| idx.name == 'fun' } + + assert_equal 'items', index.table + assert index.unique, 'index is unique' + assert_equal ['id'], index.columns + end + + def test_non_unique_index + @ctx.add_index 'items', 'id', :name => 'fun' + index = @ctx.indexes('items').find { |idx| idx.name == 'fun' } + assert !index.unique, 'index is not unique' + end + + def test_compound_index + @ctx.add_index 'items', %w{ id number }, :name => 'fun' + index = @ctx.indexes('items').find { |idx| idx.name == 'fun' } + assert_equal %w{ id number }.sort, index.columns.sort + end + + def test_primary_key + assert_equal 'id', @ctx.primary_key('items') + + @ctx.execute <<-eosql + CREATE TABLE foos ( + internet integer PRIMARY KEY AUTOINCREMENT, + number integer not null + ) + eosql + assert_equal 'internet', @ctx.primary_key('foos') + end + + def test_no_primary_key + @ctx.execute 'CREATE TABLE failboat (number integer not null)' + assert_nil @ctx.primary_key('failboat') + end + + private + def assert_logged logs + intercept_logs_on @ctx + yield + assert_equal logs, @ctx.logged + end + + def intercept_logs_on ctx @ctx.extend(Module.new { - attr_reader :logged + attr_accessor :logged def log sql, name - @logged ||= [] @logged << [sql, name] yield end }) - yield - assert_equal logs, @ctx.logged + @ctx.logged = [] end end end diff --git a/activerecord/test/cases/aggregations_test.rb b/activerecord/test/cases/aggregations_test.rb index 74588b4f47..9e285e57dc 100644 --- a/activerecord/test/cases/aggregations_test.rb +++ b/activerecord/test/cases/aggregations_test.rb @@ -125,7 +125,7 @@ class OverridingAggregationsTest < ActiveRecord::TestCase class Name; end class DifferentName; end - class Person < ActiveRecord::Base + class Person < ActiveRecord::Base composed_of :composed_of, :mapping => %w(person_first_name first_name) end diff --git a/activerecord/test/cases/ar_schema_test.rb b/activerecord/test/cases/ar_schema_test.rb index 665c387d5d..588adc38e3 100644 --- a/activerecord/test/cases/ar_schema_test.rb +++ b/activerecord/test/cases/ar_schema_test.rb @@ -28,7 +28,7 @@ if ActiveRecord::Base.connection.supports_migrations? assert_equal 7, ActiveRecord::Migrator::current_version end - def test_schema_raises_an_error_for_invalid_column_ntype + def test_schema_raises_an_error_for_invalid_column_type assert_raise NoMethodError do ActiveRecord::Schema.define(:version => 8) do create_table :vegetables do |t| diff --git a/activerecord/test/cases/associations/belongs_to_associations_test.rb b/activerecord/test/cases/associations/belongs_to_associations_test.rb index fb1e6e7e70..a1ce9b1689 100644 --- a/activerecord/test/cases/associations/belongs_to_associations_test.rb +++ b/activerecord/test/cases/associations/belongs_to_associations_test.rb @@ -5,8 +5,6 @@ require 'models/company' require 'models/topic' require 'models/reply' require 'models/computer' -require 'models/customer' -require 'models/order' require 'models/post' require 'models/author' require 'models/tag' @@ -34,7 +32,7 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase def test_belongs_to_with_primary_key_joins_on_correct_column sql = Client.joins(:firm_with_primary_key).to_sql - if current_adapter?(:MysqlAdapter) + if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) assert_no_match(/`firm_with_primary_keys_companies`\.`id`/, sql) assert_match(/`firm_with_primary_keys_companies`\.`name`/, sql) elsif current_adapter?(:OracleAdapter) @@ -217,6 +215,10 @@ class BelongsToAssociationsTest < ActiveRecord::TestCase r1.topic = Topic.find(t2.id) + assert_no_queries do + r1.topic = t2 + end + assert r1.save assert_equal 0, Topic.find(t1.id).replies.size assert_equal 1, Topic.find(t2.id).replies.size diff --git a/activerecord/test/cases/associations/callbacks_test.rb b/activerecord/test/cases/associations/callbacks_test.rb index 91b1af125e..15537d6940 100644 --- a/activerecord/test/cases/associations/callbacks_test.rb +++ b/activerecord/test/cases/associations/callbacks_test.rb @@ -1,8 +1,6 @@ require "cases/helper" require 'models/post' -require 'models/comment' require 'models/author' -require 'models/category' require 'models/project' require 'models/developer' diff --git a/activerecord/test/cases/associations/cascaded_eager_loading_test.rb b/activerecord/test/cases/associations/cascaded_eager_loading_test.rb index 9c5dcc2ad9..b93e49613d 100644 --- a/activerecord/test/cases/associations/cascaded_eager_loading_test.rb +++ b/activerecord/test/cases/associations/cascaded_eager_loading_test.rb @@ -2,7 +2,6 @@ require "cases/helper" require 'models/post' require 'models/comment' require 'models/author' -require 'models/category' require 'models/categorization' require 'models/company' require 'models/topic' @@ -46,6 +45,13 @@ class CascadedEagerLoadingTest < ActiveRecord::TestCase assert_equal people(:michael), Person.eager_load(:primary_contact => :primary_contact).where('primary_contacts_people_2.first_name = ?', 'Susan').order('people.id').first end + def test_eager_association_loading_with_join_for_count + authors = Author.joins(:special_posts).includes([:posts, :categorizations]) + + assert_nothing_raised { authors.count } + assert_queries(3) { authors.all } + end + def test_eager_association_loading_with_cascaded_two_levels_with_two_has_many_associations authors = Author.find(:all, :include=>{:posts=>[:comments, :categorizations]}, :order=>"authors.id") assert_equal 2, authors.size diff --git a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb index b11969a841..ed7d9a782c 100644 --- a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb @@ -2,20 +2,14 @@ require "cases/helper" require 'models/developer' require 'models/project' require 'models/company' -require 'models/topic' -require 'models/reply' -require 'models/computer' require 'models/customer' require 'models/order' require 'models/categorization' require 'models/category' require 'models/post' require 'models/author' -require 'models/comment' require 'models/tag' require 'models/tagging' -require 'models/person' -require 'models/reader' require 'models/parrot' require 'models/pirate' require 'models/treasure' @@ -24,6 +18,8 @@ require 'models/club' require 'models/member' require 'models/membership' require 'models/sponsor' +require 'models/country' +require 'models/treaty' require 'active_support/core_ext/string/conversions' class ProjectWithAfterCreateHook < ActiveRecord::Base @@ -83,6 +79,60 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :companies, :categories, :posts, :categories_posts, :developers, :projects, :developers_projects, :parrots, :pirates, :treasures, :price_estimates, :tags, :taggings + def setup_data_for_habtm_case + ActiveRecord::Base.connection.execute('delete from countries_treaties') + + country = Country.new(:name => 'India') + country.country_id = 'c1' + country.save! + + treaty = Treaty.new(:name => 'peace') + treaty.treaty_id = 't1' + country.treaties << treaty + end + + def test_should_property_quote_string_primary_keys + setup_data_for_habtm_case + + con = ActiveRecord::Base.connection + sql = 'select * from countries_treaties' + record = con.select_rows(sql).last + assert_equal 'c1', record[0] + assert_equal 't1', record[1] + end + + def test_should_record_timestamp_for_join_table + setup_data_for_habtm_case + + con = ActiveRecord::Base.connection + sql = 'select * from countries_treaties' + record = con.select_rows(sql).last + assert_not_nil record[2] + assert_not_nil record[3] + if current_adapter?(:Mysql2Adapter) + assert_match %r{\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}}, record[2].to_s(:db) + assert_match %r{\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}}, record[3].to_s(:db) + else + assert_match %r{\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}}, record[2] + assert_match %r{\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}}, record[3] + end + end + + def test_should_record_timestamp_for_join_table_only_if_timestamp_should_be_recorded + begin + Treaty.record_timestamps = false + setup_data_for_habtm_case + + con = ActiveRecord::Base.connection + sql = 'select * from countries_treaties' + record = con.select_rows(sql).last + assert_nil record[2] + assert_nil record[3] + ensure + Treaty.record_timestamps = true + end + end + def test_has_and_belongs_to_many david = Developer.find(1) diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb index a52cedd8c2..ac2021c369 100644 --- a/activerecord/test/cases/associations/has_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_associations_test.rb @@ -11,53 +11,50 @@ require 'models/comment' require 'models/person' require 'models/reader' require 'models/tagging' +require 'models/invoice' +require 'models/line_item' -class HasManyAssociationsTest < ActiveRecord::TestCase - fixtures :accounts, :categories, :companies, :developers, :projects, - :developers_projects, :topics, :authors, :comments, - :people, :posts, :readers, :taggings - - def setup - Client.destroyed_client_ids.clear +class HasManyAssociationsTestForCountWithFinderSql < ActiveRecord::TestCase + class Invoice < ActiveRecord::Base + has_many :custom_line_items, :class_name => 'LineItem', :finder_sql => "SELECT line_items.* from line_items" end + def test_should_fail + assert_raise(ArgumentError) do + Invoice.create.custom_line_items.count(:conditions => {:amount => 0}) + end + end +end - def test_create_by - person = Person.create! :first_name => 'tenderlove' - post = Post.find :first - - assert_equal [], person.readers - assert_nil person.readers.find_by_post_id post.id - - reader = person.readers.create_by_post_id post.id - - assert_equal 1, person.readers.count - assert_equal 1, person.readers.length - assert_equal post, person.readers.first.post - assert_equal person, person.readers.first.person +class HasManyAssociationsTestForCountWithCountSql < ActiveRecord::TestCase + class Invoice < ActiveRecord::Base + has_many :custom_line_items, :class_name => 'LineItem', :counter_sql => "SELECT COUNT(*) line_items.* from line_items" end + def test_should_fail + assert_raise(ArgumentError) do + Invoice.create.custom_line_items.count(:conditions => {:amount => 0}) + end + end +end - def test_create_by_multi - person = Person.create! :first_name => 'tenderlove' - post = Post.find :first - assert_equal [], person.readers - reader = person.readers.create_by_post_id_and_skimmer post.id, false +class HasManyAssociationsTest < ActiveRecord::TestCase + fixtures :accounts, :categories, :companies, :developers, :projects, + :developers_projects, :topics, :authors, :comments, + :people, :posts, :readers, :taggings - assert_equal 1, person.readers.count - assert_equal 1, person.readers.length - assert_equal post, person.readers.first.post - assert_equal person, person.readers.first.person + def setup + Client.destroyed_client_ids.clear end - def test_find_or_create_by - person = Person.create! :first_name => 'tenderlove' - post = Post.find :first + def test_create_resets_cached_counters + person = Person.create!(:first_name => 'tenderlove') + post = Post.first assert_equal [], person.readers - assert_nil person.readers.find_by_post_id post.id + assert_nil person.readers.find_by_post_id(post.id) - reader = person.readers.find_or_create_by_post_id post.id + reader = person.readers.create(:post_id => post.id) assert_equal 1, person.readers.count assert_equal 1, person.readers.length @@ -65,16 +62,14 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal person, person.readers.first.person end - def test_find_or_create + def test_find_or_create_by_resets_cached_counters person = Person.create! :first_name => 'tenderlove' - post = Post.find :first + post = Post.first assert_equal [], person.readers - assert_nil person.readers.find(:first, :conditions => { - :post_id => post.id - }) + assert_nil person.readers.find_by_post_id(post.id) - reader = person.readers.find_or_create :post_id => post.id + reader = person.readers.find_or_create_by_post_id(post.id) assert_equal 1, person.readers.count assert_equal 1, person.readers.length @@ -82,7 +77,6 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert_equal person, person.readers.first.person end - def force_signal37_to_load_all_clients_of_firm companies(:first_firm).clients_of_firm.each {|f| } end @@ -173,6 +167,15 @@ class HasManyAssociationsTest < ActiveRecord::TestCase companies(:first_firm).readonly_clients.find(:all).each { |c| assert c.readonly? } end + def test_dynamic_find_or_create_from_two_attributes_using_an_association + author = authors(:david) + number_of_posts = Post.count + another = author.posts.find_or_create_by_title_and_body("Another Post", "This is the Body") + assert_equal number_of_posts + 1, Post.count + assert_equal another, author.posts.find_or_create_by_title_and_body("Another Post", "This is the Body") + assert !another.new_record? + end + def test_cant_save_has_many_readonly_association authors(:david).readonly_comments.each { |c| assert_raise(ActiveRecord::ReadOnlyRecord) { c.save! } } authors(:david).readonly_comments.each { |c| assert c.readonly? } @@ -549,7 +552,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase assert the_client.new_record? end - def test_find_or_create + def test_find_or_create_updates_size number_of_clients = companies(:first_firm).clients.size the_client = companies(:first_firm).clients.find_or_create_by_name("Yet another client") assert_equal number_of_clients + 1, companies(:first_firm, :reload).clients.size diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb index e4dd810732..0eaadac5ae 100644 --- a/activerecord/test/cases/associations/has_many_through_associations_test.rb +++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb @@ -14,9 +14,14 @@ require 'models/toy' require 'models/contract' require 'models/company' require 'models/developer' +require 'models/subscriber' +require 'models/book' +require 'models/subscription' class HasManyThroughAssociationsTest < ActiveRecord::TestCase - fixtures :posts, :readers, :people, :comments, :authors, :owners, :pets, :toys, :jobs, :references, :companies + fixtures :posts, :readers, :people, :comments, :authors, + :owners, :pets, :toys, :jobs, :references, :companies, + :subscribers, :books, :subscriptions, :developers # Dummies to force column loads so query counts are clean. def setup @@ -383,4 +388,37 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase lambda { authors(:david).very_special_comments.delete(authors(:david).very_special_comments.first) }, ].each {|block| assert_raise(ActiveRecord::HasManyThroughCantAssociateThroughHasOneOrManyReflection, &block) } end + + def test_collection_singular_ids_getter_with_string_primary_keys + book = books(:awdr) + assert_equal 2, book.subscriber_ids.size + assert_equal [subscribers(:first).nick, subscribers(:second).nick].sort, book.subscriber_ids.sort + end + + def test_collection_singular_ids_setter + company = companies(:rails_core) + dev = Developer.find(:first) + + company.developer_ids = [dev.id] + assert_equal [dev], company.developers + end + + def test_collection_singular_ids_setter_with_string_primary_keys + assert_nothing_raised do + book = books(:awdr) + book.subscriber_ids = [subscribers(:second).nick] + assert_equal [subscribers(:second)], book.subscribers(true) + + book.subscriber_ids = [] + assert_equal [], book.subscribers(true) + end + + end + + def test_collection_singular_ids_setter_raises_exception_when_invalid_ids_set + company = companies(:rails_core) + ids = [Developer.find(:first).id, -9999] + assert_raises(ActiveRecord::RecordNotFound) {company.developer_ids= ids} + end + end diff --git a/activerecord/test/cases/associations/has_one_through_associations_test.rb b/activerecord/test/cases/associations/has_one_through_associations_test.rb index 178c57435b..3fcd150422 100644 --- a/activerecord/test/cases/associations/has_one_through_associations_test.rb +++ b/activerecord/test/cases/associations/has_one_through_associations_test.rb @@ -6,9 +6,12 @@ require 'models/membership' require 'models/sponsor' require 'models/organization' require 'models/member_detail' +require 'models/minivan' +require 'models/dashboard' +require 'models/speedometer' class HasOneThroughAssociationsTest < ActiveRecord::TestCase - fixtures :member_types, :members, :clubs, :memberships, :sponsors, :organizations + fixtures :member_types, :members, :clubs, :memberships, :sponsors, :organizations, :minivans, :dashboards, :speedometers def setup @member = members(:groucho) @@ -202,4 +205,11 @@ class HasOneThroughAssociationsTest < ActiveRecord::TestCase Club.find(@club.id, :include => :sponsored_member).save! end end + + def test_value_is_properly_quoted + minivan = Minivan.find('m1') + assert_nothing_raised do + minivan.dashboard + end + end end diff --git a/activerecord/test/cases/associations/inverse_associations_test.rb b/activerecord/test/cases/associations/inverse_associations_test.rb index 34d24a2948..fa5c2e49df 100644 --- a/activerecord/test/cases/associations/inverse_associations_test.rb +++ b/activerecord/test/cases/associations/inverse_associations_test.rb @@ -412,7 +412,7 @@ class InverseBelongsToTests < ActiveRecord::TestCase i = interests(:trainspotting) m = i.man assert_not_nil m.interests - iz = m.interests.detect {|iz| iz.id == i.id} + iz = m.interests.detect { |_iz| _iz.id == i.id} assert_not_nil iz assert_equal i.topic, iz.topic, "Interest topics should be the same before changes to child" i.topic = 'Eating cheese with a spoon' @@ -516,7 +516,7 @@ class InversePolymorphicBelongsToTests < ActiveRecord::TestCase i = interests(:llama_wrangling) m = i.polymorphic_man assert_not_nil m.polymorphic_interests - iz = m.polymorphic_interests.detect {|iz| iz.id == i.id} + iz = m.polymorphic_interests.detect { |_iz| _iz.id == i.id} assert_not_nil iz assert_equal i.topic, iz.topic, "Interest topics should be the same before changes to child" i.topic = 'Eating cheese with a spoon' diff --git a/activerecord/test/cases/associations_test.rb b/activerecord/test/cases/associations_test.rb index 4ae776c35a..b31611e27a 100644 --- a/activerecord/test/cases/associations_test.rb +++ b/activerecord/test/cases/associations_test.rb @@ -2,11 +2,6 @@ require "cases/helper" require 'models/developer' require 'models/project' require 'models/company' -require 'models/topic' -require 'models/reply' -require 'models/computer' -require 'models/customer' -require 'models/order' require 'models/categorization' require 'models/category' require 'models/post' @@ -17,18 +12,66 @@ require 'models/tagging' require 'models/person' require 'models/reader' require 'models/parrot' -require 'models/pirate' -require 'models/treasure' -require 'models/price_estimate' -require 'models/club' -require 'models/member' -require 'models/membership' -require 'models/sponsor' +require 'models/ship_part' +require 'models/ship' +require 'models/liquid' +require 'models/molecule' +require 'models/electron' class AssociationsTest < ActiveRecord::TestCase fixtures :accounts, :companies, :developers, :projects, :developers_projects, :computers, :people, :readers + def test_eager_loading_should_not_change_count_of_children + liquid = Liquid.create(:name => 'salty') + molecule = liquid.molecules.create(:name => 'molecule_1') + molecule.electrons.create(:name => 'electron_1') + molecule.electrons.create(:name => 'electron_2') + + liquids = Liquid.includes(:molecules => :electrons).where('molecules.id is not null') + assert_equal 1, liquids[0].molecules.length + end + + def test_clear_association_cache_stored + firm = Firm.find(1) + assert_kind_of Firm, firm + + firm.clear_association_cache + assert_equal Firm.find(1).clients.collect{ |x| x.name }.sort, firm.clients.collect{ |x| x.name }.sort + end + + def test_clear_association_cache_new_record + firm = Firm.new + client_stored = Client.find(3) + client_new = Client.new + client_new.name = "The Joneses" + clients = [ client_stored, client_new ] + + firm.clients << clients + assert_equal clients.map(&:name).to_set, firm.clients.map(&:name).to_set + + firm.clear_association_cache + assert_equal clients.map(&:name).to_set, firm.clients.map(&:name).to_set + end + + def test_loading_the_association_target_should_keep_child_records_marked_for_destruction + ship = Ship.create!(:name => "The good ship Dollypop") + part = ship.parts.create!(:name => "Mast") + part.mark_for_destruction + ship.parts.send(:load_target) + assert ship.parts[0].marked_for_destruction? + end + + def test_loading_the_association_target_should_load_most_recent_attributes_for_child_records_marked_for_destruction + ship = Ship.create!(:name => "The good ship Dollypop") + part = ship.parts.create!(:name => "Mast") + part.mark_for_destruction + ShipPart.find(part.id).update_attribute(:name, 'Deck') + ship.parts.send(:load_target) + assert_equal 'Deck', ship.parts[0].name + end + + def test_include_with_order_works assert_nothing_raised {Account.find(:first, :order => 'id', :include => :firm)} assert_nothing_raised {Account.find(:first, :order => :id, :include => :firm)} diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb index d59fa0a632..2c069cd8a5 100644 --- a/activerecord/test/cases/attribute_methods_test.rb +++ b/activerecord/test/cases/attribute_methods_test.rb @@ -1,9 +1,15 @@ require "cases/helper" -require 'models/topic' require 'models/minimalistic' +require 'models/developer' +require 'models/auto_id' +require 'models/computer' +require 'models/topic' +require 'models/company' +require 'models/category' +require 'models/reply' class AttributeMethodsTest < ActiveRecord::TestCase - fixtures :topics + fixtures :topics, :developers, :companies, :computers def setup @old_matchers = ActiveRecord::Base.send(:attribute_method_matchers).dup @@ -16,6 +22,276 @@ class AttributeMethodsTest < ActiveRecord::TestCase ActiveRecord::Base.send(:attribute_method_matchers).concat(@old_matchers) end + def test_attribute_present + t = Topic.new + t.title = "hello there!" + t.written_on = Time.now + assert t.attribute_present?("title") + assert t.attribute_present?("written_on") + assert !t.attribute_present?("content") + end + + def test_attribute_keys_on_new_instance + t = Topic.new + assert_equal nil, t.title, "The topics table has a title column, so it should be nil" + assert_raise(NoMethodError) { t.title2 } + end + + def test_boolean_attributes + assert ! Topic.find(1).approved? + assert Topic.find(2).approved? + end + + def test_set_attributes + topic = Topic.find(1) + topic.attributes = { "title" => "Budget", "author_name" => "Jason" } + topic.save + assert_equal("Budget", topic.title) + assert_equal("Jason", topic.author_name) + assert_equal(topics(:first).author_email_address, Topic.find(1).author_email_address) + end + + def test_set_attributes_without_hash + topic = Topic.new + assert_nothing_raised { topic.attributes = '' } + end + + def test_integers_as_nil + test = AutoId.create('value' => '') + assert_nil AutoId.find(test.id).value + end + + def test_set_attributes_with_block + topic = Topic.new do |t| + t.title = "Budget" + t.author_name = "Jason" + end + + assert_equal("Budget", topic.title) + assert_equal("Jason", topic.author_name) + end + + def test_respond_to? + topic = Topic.find(1) + assert_respond_to topic, "title" + assert_respond_to topic, "title?" + assert_respond_to topic, "title=" + assert_respond_to topic, :title + assert_respond_to topic, :title? + assert_respond_to topic, :title= + assert_respond_to topic, "author_name" + assert_respond_to topic, "attribute_names" + assert !topic.respond_to?("nothingness") + assert !topic.respond_to?(:nothingness) + end + + def test_array_content + topic = Topic.new + topic.content = %w( one two three ) + topic.save + + assert_equal(%w( one two three ), Topic.find(topic.id).content) + end + + def test_read_attributes_before_type_cast + category = Category.new({:name=>"Test categoty", :type => nil}) + category_attrs = {"name"=>"Test categoty", "type" => nil, "categorizations_count" => nil} + assert_equal category_attrs , category.attributes_before_type_cast + end + + if current_adapter?(:MysqlAdapter) + def test_read_attributes_before_type_cast_on_boolean + bool = Booleantest.create({ "value" => false }) + assert_equal "0", bool.reload.attributes_before_type_cast["value"] + end + end + + unless current_adapter?(:Mysql2Adapter) + def test_read_attributes_before_type_cast_on_datetime + developer = Developer.find(:first) + # Oracle adapter returns Time before type cast + unless current_adapter?(:OracleAdapter) + assert_equal developer.created_at.to_s(:db) , developer.attributes_before_type_cast["created_at"] + else + assert_equal developer.created_at.to_s(:db) , developer.attributes_before_type_cast["created_at"].to_s(:db) + + developer.created_at = "345643456" + assert_equal developer.created_at_before_type_cast, "345643456" + assert_equal developer.created_at, nil + + developer.created_at = "2010-03-21T21:23:32+01:00" + assert_equal developer.created_at_before_type_cast, "2010-03-21T21:23:32+01:00" + assert_equal developer.created_at, Time.parse("2010-03-21T21:23:32+01:00") + end + end + end + + def test_hash_content + topic = Topic.new + topic.content = { "one" => 1, "two" => 2 } + topic.save + + assert_equal 2, Topic.find(topic.id).content["two"] + + topic.content_will_change! + topic.content["three"] = 3 + topic.save + + assert_equal 3, Topic.find(topic.id).content["three"] + end + + def test_update_array_content + topic = Topic.new + topic.content = %w( one two three ) + + topic.content.push "four" + assert_equal(%w( one two three four ), topic.content) + + topic.save + + topic = Topic.find(topic.id) + topic.content << "five" + assert_equal(%w( one two three four five ), topic.content) + end + + def test_case_sensitive_attributes_hash + # DB2 is not case-sensitive + return true if current_adapter?(:DB2Adapter) + + assert_equal @loaded_fixtures['computers']['workstation'].to_hash, Computer.find(:first).attributes + end + + def test_hashes_not_mangled + new_topic = { :title => "New Topic" } + new_topic_values = { :title => "AnotherTopic" } + + topic = Topic.new(new_topic) + assert_equal new_topic[:title], topic.title + + topic.attributes= new_topic_values + assert_equal new_topic_values[:title], topic.title + end + + def test_create_through_factory + topic = Topic.create("title" => "New Topic") + topicReloaded = Topic.find(topic.id) + assert_equal(topic, topicReloaded) + end + + def test_write_attribute + topic = Topic.new + topic.send(:write_attribute, :title, "Still another topic") + assert_equal "Still another topic", topic.title + + topic.send(:write_attribute, "title", "Still another topic: part 2") + assert_equal "Still another topic: part 2", topic.title + end + + def test_read_attribute + topic = Topic.new + topic.title = "Don't change the topic" + assert_equal "Don't change the topic", topic.send(:read_attribute, "title") + assert_equal "Don't change the topic", topic["title"] + + assert_equal "Don't change the topic", topic.send(:read_attribute, :title) + assert_equal "Don't change the topic", topic[:title] + end + + def test_read_attribute_when_false + topic = topics(:first) + topic.approved = false + assert !topic.approved?, "approved should be false" + topic.approved = "false" + assert !topic.approved?, "approved should be false" + end + + def test_read_attribute_when_true + topic = topics(:first) + topic.approved = true + assert topic.approved?, "approved should be true" + topic.approved = "true" + assert topic.approved?, "approved should be true" + end + + def test_read_write_boolean_attribute + topic = Topic.new + # puts "" + # puts "New Topic" + # puts topic.inspect + topic.approved = "false" + # puts "Expecting false" + # puts topic.inspect + assert !topic.approved?, "approved should be false" + topic.approved = "false" + # puts "Expecting false" + # puts topic.inspect + assert !topic.approved?, "approved should be false" + topic.approved = "true" + # puts "Expecting true" + # puts topic.inspect + assert topic.approved?, "approved should be true" + topic.approved = "true" + # puts "Expecting true" + # puts topic.inspect + assert topic.approved?, "approved should be true" + # puts "" + end + + def test_query_attribute_string + [nil, "", " "].each do |value| + assert_equal false, Topic.new(:author_name => value).author_name? + end + + assert_equal true, Topic.new(:author_name => "Name").author_name? + end + + def test_query_attribute_number + [nil, 0, "0"].each do |value| + assert_equal false, Developer.new(:salary => value).salary? + end + + assert_equal true, Developer.new(:salary => 1).salary? + assert_equal true, Developer.new(:salary => "1").salary? + end + + def test_query_attribute_boolean + [nil, "", false, "false", "f", 0].each do |value| + assert_equal false, Topic.new(:approved => value).approved? + end + + [true, "true", "1", 1].each do |value| + assert_equal true, Topic.new(:approved => value).approved? + end + end + + def test_query_attribute_with_custom_fields + object = Company.find_by_sql(<<-SQL).first + SELECT c1.*, c2.ruby_type as string_value, c2.rating as int_value + FROM companies c1, companies c2 + WHERE c1.firm_id = c2.id + AND c1.id = 2 + SQL + + assert_equal "Firm", object.string_value + assert object.string_value? + + object.string_value = " " + assert !object.string_value? + + assert_equal 1, object.int_value.to_i + assert object.int_value? + + object.int_value = "0" + assert !object.int_value? + end + + def test_non_attribute_access_and_assignment + topic = Topic.new + assert !topic.respond_to?("mumbo") + assert_raise(NoMethodError) { topic.mumbo } + assert_raise(NoMethodError) { topic.mumbo = 5 } + end + def test_undeclared_attribute_method_does_not_affect_respond_to_and_method_missing topic = @target.new(:title => 'Budget') assert topic.respond_to?('title') diff --git a/activerecord/test/cases/autosave_association_test.rb b/activerecord/test/cases/autosave_association_test.rb index 3b89c12a3f..49e7147773 100644 --- a/activerecord/test/cases/autosave_association_test.rb +++ b/activerecord/test/cases/autosave_association_test.rb @@ -13,6 +13,8 @@ require 'models/post' require 'models/reader' require 'models/ship' require 'models/ship_part' +require 'models/tag' +require 'models/tagging' require 'models/treasure' require 'models/company' @@ -171,7 +173,7 @@ class TestDefaultAutosaveAssociationOnAHasOneAssociation < ActiveRecord::TestCas end class TestDefaultAutosaveAssociationOnABelongsToAssociation < ActiveRecord::TestCase - fixtures :companies + fixtures :companies, :posts, :tags, :taggings def test_should_save_parent_but_not_invalid_child client = Client.new(:name => 'Joe (the Plumber)') @@ -312,6 +314,12 @@ class TestDefaultAutosaveAssociationOnABelongsToAssociation < ActiveRecord::Test assert_equal num_orders +1, Order.count assert_equal num_customers +2, Customer.count end + + def test_store_association_with_a_polymorphic_relationship + num_tagging = Tagging.count + tags(:misc).create_tagging(:taggable => posts(:thinking)) + assert_equal num_tagging +1, Tagging.count + end end class TestDefaultAutosaveAssociationOnAHasManyAssociation < ActiveRecord::TestCase diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb index a4cf5120e1..ca397d3847 100644 --- a/activerecord/test/cases/base_test.rb +++ b/activerecord/test/cases/base_test.rb @@ -52,357 +52,6 @@ class BasicsTest < ActiveRecord::TestCase assert Topic.table_exists? end - def test_set_attributes - topic = Topic.find(1) - topic.attributes = { "title" => "Budget", "author_name" => "Jason" } - topic.save - assert_equal("Budget", topic.title) - assert_equal("Jason", topic.author_name) - assert_equal(topics(:first).author_email_address, Topic.find(1).author_email_address) - end - - def test_set_attributes_without_hash - topic = Topic.new - assert_nothing_raised do - topic.attributes = '' - end - end - - def test_integers_as_nil - test = AutoId.create('value' => '') - assert_nil AutoId.find(test.id).value - end - - def test_set_attributes_with_block - topic = Topic.new do |t| - t.title = "Budget" - t.author_name = "Jason" - end - - assert_equal("Budget", topic.title) - assert_equal("Jason", topic.author_name) - end - - def test_respond_to? - topic = Topic.find(1) - assert_respond_to topic, "title" - assert_respond_to topic, "title?" - assert_respond_to topic, "title=" - assert_respond_to topic, :title - assert_respond_to topic, :title? - assert_respond_to topic, :title= - assert_respond_to topic, "author_name" - assert_respond_to topic, "attribute_names" - assert !topic.respond_to?("nothingness") - assert !topic.respond_to?(:nothingness) - end - - def test_array_content - topic = Topic.new - topic.content = %w( one two three ) - topic.save - - assert_equal(%w( one two three ), Topic.find(topic.id).content) - end - - def test_read_attributes_before_type_cast - category = Category.new({:name=>"Test categoty", :type => nil}) - category_attrs = {"name"=>"Test categoty", "type" => nil, "categorizations_count" => nil} - assert_equal category_attrs , category.attributes_before_type_cast - end - - if current_adapter?(:MysqlAdapter) - def test_read_attributes_before_type_cast_on_boolean - bool = Booleantest.create({ "value" => false }) - assert_equal "0", bool.reload.attributes_before_type_cast["value"] - end - end - - def test_read_attributes_before_type_cast_on_datetime - developer = Developer.find(:first) - # Oracle adapter returns Time before type cast - unless current_adapter?(:OracleAdapter) - assert_equal developer.created_at.to_s(:db) , developer.attributes_before_type_cast["created_at"] - else - assert_equal developer.created_at.to_s(:db) , developer.attributes_before_type_cast["created_at"].to_s(:db) - end - end - - def test_hash_content - topic = Topic.new - topic.content = { "one" => 1, "two" => 2 } - topic.save - - assert_equal 2, Topic.find(topic.id).content["two"] - - topic.content_will_change! - topic.content["three"] = 3 - topic.save - - assert_equal 3, Topic.find(topic.id).content["three"] - end - - def test_update_array_content - topic = Topic.new - topic.content = %w( one two three ) - - topic.content.push "four" - assert_equal(%w( one two three four ), topic.content) - - topic.save - - topic = Topic.find(topic.id) - topic.content << "five" - assert_equal(%w( one two three four five ), topic.content) - end - - def test_case_sensitive_attributes_hash - # DB2 is not case-sensitive - return true if current_adapter?(:DB2Adapter) - - assert_equal @loaded_fixtures['computers']['workstation'].to_hash, Computer.find(:first).attributes - end - - def test_create - topic = Topic.new - topic.title = "New Topic" - topic.save - topic_reloaded = Topic.find(topic.id) - assert_equal("New Topic", topic_reloaded.title) - end - - def test_save! - topic = Topic.new(:title => "New Topic") - assert topic.save! - - reply = WrongReply.new - assert_raise(ActiveRecord::RecordInvalid) { reply.save! } - end - - def test_save_null_string_attributes - topic = Topic.find(1) - topic.attributes = { "title" => "null", "author_name" => "null" } - topic.save! - topic.reload - assert_equal("null", topic.title) - assert_equal("null", topic.author_name) - end - - def test_save_nil_string_attributes - topic = Topic.find(1) - topic.title = nil - topic.save! - topic.reload - assert_nil topic.title - end - - def test_save_for_record_with_only_primary_key - minimalistic = Minimalistic.new - assert_nothing_raised { minimalistic.save } - end - - def test_save_for_record_with_only_primary_key_that_is_provided - assert_nothing_raised { Minimalistic.create!(:id => 2) } - end - - def test_hashes_not_mangled - new_topic = { :title => "New Topic" } - new_topic_values = { :title => "AnotherTopic" } - - topic = Topic.new(new_topic) - assert_equal new_topic[:title], topic.title - - topic.attributes= new_topic_values - assert_equal new_topic_values[:title], topic.title - end - - def test_create_many - topics = Topic.create([ { "title" => "first" }, { "title" => "second" }]) - assert_equal 2, topics.size - assert_equal "first", topics.first.title - end - - def test_create_columns_not_equal_attributes - topic = Topic.new - topic.title = 'Another New Topic' - topic.send :write_attribute, 'does_not_exist', 'test' - assert_nothing_raised { topic.save } - end - - def test_create_through_factory - topic = Topic.create("title" => "New Topic") - topicReloaded = Topic.find(topic.id) - assert_equal(topic, topicReloaded) - end - - def test_create_through_factory_with_block - topic = Topic.create("title" => "New Topic") do |t| - t.author_name = "David" - end - topicReloaded = Topic.find(topic.id) - assert_equal("New Topic", topic.title) - assert_equal("David", topic.author_name) - end - - def test_create_many_through_factory_with_block - topics = Topic.create([ { "title" => "first" }, { "title" => "second" }]) do |t| - t.author_name = "David" - end - assert_equal 2, topics.size - topic1, topic2 = Topic.find(topics[0].id), Topic.find(topics[1].id) - assert_equal "first", topic1.title - assert_equal "David", topic1.author_name - assert_equal "second", topic2.title - assert_equal "David", topic2.author_name - end - - def test_update - topic = Topic.new - topic.title = "Another New Topic" - topic.written_on = "2003-12-12 23:23:00" - topic.save - topicReloaded = Topic.find(topic.id) - assert_equal("Another New Topic", topicReloaded.title) - - topicReloaded.title = "Updated topic" - topicReloaded.save - - topicReloadedAgain = Topic.find(topic.id) - - assert_equal("Updated topic", topicReloadedAgain.title) - end - - def test_update_columns_not_equal_attributes - topic = Topic.new - topic.title = "Still another topic" - topic.save - - topicReloaded = Topic.find(topic.id) - topicReloaded.title = "A New Topic" - topicReloaded.send :write_attribute, 'does_not_exist', 'test' - assert_nothing_raised { topicReloaded.save } - end - - def test_update_for_record_with_only_primary_key - minimalistic = minimalistics(:first) - assert_nothing_raised { minimalistic.save } - end - - def test_write_attribute - topic = Topic.new - topic.send(:write_attribute, :title, "Still another topic") - assert_equal "Still another topic", topic.title - - topic.send(:write_attribute, "title", "Still another topic: part 2") - assert_equal "Still another topic: part 2", topic.title - end - - def test_read_attribute - topic = Topic.new - topic.title = "Don't change the topic" - assert_equal "Don't change the topic", topic.send(:read_attribute, "title") - assert_equal "Don't change the topic", topic["title"] - - assert_equal "Don't change the topic", topic.send(:read_attribute, :title) - assert_equal "Don't change the topic", topic[:title] - end - - def test_read_attribute_when_false - topic = topics(:first) - topic.approved = false - assert !topic.approved?, "approved should be false" - topic.approved = "false" - assert !topic.approved?, "approved should be false" - end - - def test_read_attribute_when_true - topic = topics(:first) - topic.approved = true - assert topic.approved?, "approved should be true" - topic.approved = "true" - assert topic.approved?, "approved should be true" - end - - def test_read_write_boolean_attribute - topic = Topic.new - # puts "" - # puts "New Topic" - # puts topic.inspect - topic.approved = "false" - # puts "Expecting false" - # puts topic.inspect - assert !topic.approved?, "approved should be false" - topic.approved = "false" - # puts "Expecting false" - # puts topic.inspect - assert !topic.approved?, "approved should be false" - topic.approved = "true" - # puts "Expecting true" - # puts topic.inspect - assert topic.approved?, "approved should be true" - topic.approved = "true" - # puts "Expecting true" - # puts topic.inspect - assert topic.approved?, "approved should be true" - # puts "" - end - - def test_query_attribute_string - [nil, "", " "].each do |value| - assert_equal false, Topic.new(:author_name => value).author_name? - end - - assert_equal true, Topic.new(:author_name => "Name").author_name? - end - - def test_query_attribute_number - [nil, 0, "0"].each do |value| - assert_equal false, Developer.new(:salary => value).salary? - end - - assert_equal true, Developer.new(:salary => 1).salary? - assert_equal true, Developer.new(:salary => "1").salary? - end - - def test_query_attribute_boolean - [nil, "", false, "false", "f", 0].each do |value| - assert_equal false, Topic.new(:approved => value).approved? - end - - [true, "true", "1", 1].each do |value| - assert_equal true, Topic.new(:approved => value).approved? - end - end - - def test_query_attribute_with_custom_fields - object = Company.find_by_sql(<<-SQL).first - SELECT c1.*, c2.ruby_type as string_value, c2.rating as int_value - FROM companies c1, companies c2 - WHERE c1.firm_id = c2.id - AND c1.id = 2 - SQL - - assert_equal "Firm", object.string_value - assert object.string_value? - - object.string_value = " " - assert !object.string_value? - - assert_equal 1, object.int_value.to_i - assert object.int_value? - - object.int_value = "0" - assert !object.int_value? - end - - - def test_non_attribute_access_and_assignment - topic = Topic.new - assert !topic.respond_to?("mumbo") - assert_raise(NoMethodError) { topic.mumbo } - assert_raise(NoMethodError) { topic.mumbo = 5 } - end - def test_preserving_date_objects if current_adapter?(:SybaseAdapter) # Sybase ctlib does not (yet?) support the date type; use datetime instead. @@ -499,29 +148,6 @@ class BasicsTest < ActiveRecord::TestCase assert topic.instance_variable_get("@custom_approved") end - def test_delete - topic = Topic.find(1) - assert_equal topic, topic.delete, 'topic.delete did not return self' - assert topic.frozen?, 'topic not frozen after delete' - assert_raise(ActiveRecord::RecordNotFound) { Topic.find(topic.id) } - end - - def test_delete_doesnt_run_callbacks - Topic.find(1).delete - assert_not_nil Topic.find(2) - end - - def test_destroy - topic = Topic.find(1) - assert_equal topic, topic.destroy, 'topic.destroy did not return self' - assert topic.frozen?, 'topic not frozen after destroy' - assert_raise(ActiveRecord::RecordNotFound) { Topic.find(topic.id) } - end - - def test_record_not_found_exception - assert_raise(ActiveRecord::RecordNotFound) { topicReloaded = Topic.find(99999) } - end - def test_initialize_with_attributes topic = Topic.new({ "title" => "initialized from attributes", "written_on" => "2003-12-12 23:23" @@ -657,129 +283,13 @@ class BasicsTest < ActiveRecord::TestCase GUESSED_CLASSES.each(&:reset_table_name) end - def test_destroy_all - conditions = "author_name = 'Mary'" - topics_by_mary = Topic.all(:conditions => conditions, :order => 'id') - assert ! topics_by_mary.empty? - - assert_difference('Topic.count', -topics_by_mary.size) do - destroyed = Topic.destroy_all(conditions).sort_by(&:id) - assert_equal topics_by_mary, destroyed - assert destroyed.all? { |topic| topic.frozen? }, "destroyed topics should be frozen" - end - end - - def test_destroy_many - clients = Client.find([2, 3], :order => 'id') - assert_difference('Client.count', -2) do - destroyed = Client.destroy([2, 3]).sort_by(&:id) - assert_equal clients, destroyed - assert destroyed.all? { |client| client.frozen? }, "destroyed clients should be frozen" - end - end - - def test_delete_many - original_count = Topic.count - Topic.delete(deleting = [1, 2]) - assert_equal original_count - deleting.size, Topic.count - end - - def test_boolean_attributes - assert ! Topic.find(1).approved? - assert Topic.find(2).approved? - end - - def test_update_all - assert_equal Topic.count, Topic.update_all("content = 'bulk updated!'") - assert_equal "bulk updated!", Topic.find(1).content - assert_equal "bulk updated!", Topic.find(2).content - - assert_equal Topic.count, Topic.update_all(['content = ?', 'bulk updated again!']) - assert_equal "bulk updated again!", Topic.find(1).content - assert_equal "bulk updated again!", Topic.find(2).content - - assert_equal Topic.count, Topic.update_all(['content = ?', nil]) - assert_nil Topic.find(1).content - end - - def test_update_all_with_hash - assert_not_nil Topic.find(1).last_read - assert_equal Topic.count, Topic.update_all(:content => 'bulk updated with hash!', :last_read => nil) - assert_equal "bulk updated with hash!", Topic.find(1).content - assert_equal "bulk updated with hash!", Topic.find(2).content - assert_nil Topic.find(1).last_read - assert_nil Topic.find(2).last_read - end - - def test_update_all_with_non_standard_table_name - assert_equal 1, WarehouseThing.update_all(['value = ?', 0], ['id = ?', 1]) - assert_equal 0, WarehouseThing.find(1).value - end - - if current_adapter?(:MysqlAdapter) + if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) def test_update_all_with_order_and_limit assert_equal 1, Topic.update_all("content = 'bulk updated!'", nil, :limit => 1, :order => 'id DESC') end end - # Oracle UPDATE does not support ORDER BY - unless current_adapter?(:OracleAdapter) - def test_update_all_ignores_order_without_limit_from_association - author = authors(:david) - assert_nothing_raised do - assert_equal author.posts_with_comments_and_categories.length, author.posts_with_comments_and_categories.update_all([ "body = ?", "bulk update!" ]) - end - end - - def test_update_all_with_order_and_limit_updates_subset_only - author = authors(:david) - assert_nothing_raised do - assert_equal 1, author.posts_sorted_by_id_limited.size - assert_equal 2, author.posts_sorted_by_id_limited.find(:all, :limit => 2).size - assert_equal 1, author.posts_sorted_by_id_limited.update_all([ "body = ?", "bulk update!" ]) - assert_equal "bulk update!", posts(:welcome).body - assert_not_equal "bulk update!", posts(:thinking).body - end - end - end - - def test_update_many - topic_data = { 1 => { "content" => "1 updated" }, 2 => { "content" => "2 updated" } } - updated = Topic.update(topic_data.keys, topic_data.values) - - assert_equal 2, updated.size - assert_equal "1 updated", Topic.find(1).content - assert_equal "2 updated", Topic.find(2).content - end - - def test_delete_all - assert Topic.count > 0 - - assert_equal Topic.count, Topic.delete_all - end - - def test_update_by_condition - Topic.update_all "content = 'bulk updated!'", ["approved = ?", true] - assert_equal "Have a nice day", Topic.find(1).content - assert_equal "bulk updated!", Topic.find(2).content - end - - def test_attribute_present - t = Topic.new - t.title = "hello there!" - t.written_on = Time.now - assert t.attribute_present?("title") - assert t.attribute_present?("written_on") - assert !t.attribute_present?("content") - end - - def test_attribute_keys_on_new_instance - t = Topic.new - assert_equal nil, t.title, "The topics table has a title column, so it should be nil" - assert_raise(NoMethodError) { t.title2 } - end - def test_null_fields assert_nil Topic.find(1).parent_id assert_nil Topic.create("title" => "Hey you").parent_id @@ -863,120 +373,6 @@ class BasicsTest < ActiveRecord::TestCase assert_equal [ Topic.find(1) ], [ Topic.find(2).topic ] & [ Topic.find(1) ] end - def test_delete_new_record - client = Client.new - client.delete - assert client.frozen? - end - - def test_delete_record_with_associations - client = Client.find(3) - client.delete - assert client.frozen? - assert_kind_of Firm, client.firm - assert_raise(ActiveSupport::FrozenObjectError) { client.name = "something else" } - end - - def test_destroy_new_record - client = Client.new - client.destroy - assert client.frozen? - end - - def test_destroy_record_with_associations - client = Client.find(3) - client.destroy - assert client.frozen? - assert_kind_of Firm, client.firm - assert_raise(ActiveSupport::FrozenObjectError) { client.name = "something else" } - end - - def test_update_attribute - assert !Topic.find(1).approved? - Topic.find(1).update_attribute("approved", true) - assert Topic.find(1).approved? - - Topic.find(1).update_attribute(:approved, false) - assert !Topic.find(1).approved? - end - - def test_update_attribute_with_one_changed_and_one_updated - t = Topic.order('id').limit(1).first - title, author_name = t.title, t.author_name - t.author_name = 'John' - t.update_attribute(:title, 'super_title') - assert_equal 'John', t.author_name - assert_equal 'super_title', t.title - assert t.changed?, "topic should have changed" - assert t.author_name_changed?, "author_name should have changed" - assert !t.title_changed?, "title should not have changed" - assert_nil t.title_change, 'title change should be nil' - assert_equal ['author_name'], t.changed - - t.reload - assert_equal 'David', t.author_name - assert_equal 'super_title', t.title - end - - def test_update_attribute_with_one_updated - t = Topic.first - title = t.title - t.update_attribute(:title, 'super_title') - assert_equal 'super_title', t.title - assert !t.changed?, "topic should not have changed" - assert !t.title_changed?, "title should not have changed" - assert_nil t.title_change, 'title change should be nil' - - t.reload - assert_equal 'super_title', t.title - end - - def test_update_attribute_for_udpated_at_on - developer = Developer.find(1) - updated_at = developer.updated_at - developer.update_attribute(:salary, 80001) - assert_not_equal updated_at, developer.updated_at - developer.reload - assert_not_equal updated_at, developer.updated_at - end - - def test_update_attributes - topic = Topic.find(1) - assert !topic.approved? - assert_equal "The First Topic", topic.title - - topic.update_attributes("approved" => true, "title" => "The First Topic Updated") - topic.reload - assert topic.approved? - assert_equal "The First Topic Updated", topic.title - - topic.update_attributes(:approved => false, :title => "The First Topic") - topic.reload - assert !topic.approved? - assert_equal "The First Topic", topic.title - end - - def test_update_attributes! - Reply.validates_presence_of(:title) - reply = Reply.find(2) - assert_equal "The Second Topic of the day", reply.title - assert_equal "Have a nice day", reply.content - - reply.update_attributes!("title" => "The Second Topic of the day updated", "content" => "Have a nice evening") - reply.reload - assert_equal "The Second Topic of the day updated", reply.title - assert_equal "Have a nice evening", reply.content - - reply.update_attributes!(:title => "The Second Topic of the day", :content => "Have a nice day") - reply.reload - assert_equal "The Second Topic of the day", reply.title - assert_equal "Have a nice day", reply.content - - assert_raise(ActiveRecord::RecordInvalid) { reply.update_attributes!(:title => nil, :content => "Have a nice evening") } - ensure - Reply.reset_callbacks(:validate) - end - def test_readonly_attributes assert_equal Set.new([ 'title' , 'comments_count' ]), ReadonlyTitlePost.readonly_attributes @@ -1236,35 +632,6 @@ class BasicsTest < ActiveRecord::TestCase assert_equal false, Topic.find(1).new_record? end - def test_destroyed_returns_boolean - developer = Developer.first - assert_equal false, developer.destroyed? - developer.destroy - assert_equal true, developer.destroyed? - - developer = Developer.last - assert_equal false, developer.destroyed? - developer.delete - assert_equal true, developer.destroyed? - end - - def test_persisted_returns_boolean - developer = Developer.new(:name => "Jose") - assert_equal false, developer.persisted? - developer.save! - assert_equal true, developer.persisted? - - developer = Developer.first - assert_equal true, developer.persisted? - developer.destroy - assert_equal false, developer.persisted? - - developer = Developer.last - assert_equal true, developer.persisted? - developer.delete - assert_equal false, developer.persisted? - end - def test_clone topic = Topic.find(1) cloned_topic = nil @@ -1607,67 +974,6 @@ class BasicsTest < ActiveRecord::TestCase end end - def test_class_level_destroy - should_be_destroyed_reply = Reply.create("title" => "hello", "content" => "world") - Topic.find(1).replies << should_be_destroyed_reply - - Topic.destroy(1) - assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1) } - assert_raise(ActiveRecord::RecordNotFound) { Reply.find(should_be_destroyed_reply.id) } - end - - def test_class_level_delete - should_be_destroyed_reply = Reply.create("title" => "hello", "content" => "world") - Topic.find(1).replies << should_be_destroyed_reply - - Topic.delete(1) - assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1) } - assert_nothing_raised { Reply.find(should_be_destroyed_reply.id) } - end - - def test_increment_attribute - assert_equal 50, accounts(:signals37).credit_limit - accounts(:signals37).increment! :credit_limit - assert_equal 51, accounts(:signals37, :reload).credit_limit - - accounts(:signals37).increment(:credit_limit).increment!(:credit_limit) - assert_equal 53, accounts(:signals37, :reload).credit_limit - end - - def test_increment_nil_attribute - assert_nil topics(:first).parent_id - topics(:first).increment! :parent_id - assert_equal 1, topics(:first).parent_id - end - - def test_increment_attribute_by - assert_equal 50, accounts(:signals37).credit_limit - accounts(:signals37).increment! :credit_limit, 5 - assert_equal 55, accounts(:signals37, :reload).credit_limit - - accounts(:signals37).increment(:credit_limit, 1).increment!(:credit_limit, 3) - assert_equal 59, accounts(:signals37, :reload).credit_limit - end - - def test_decrement_attribute - assert_equal 50, accounts(:signals37).credit_limit - - accounts(:signals37).decrement!(:credit_limit) - assert_equal 49, accounts(:signals37, :reload).credit_limit - - accounts(:signals37).decrement(:credit_limit).decrement!(:credit_limit) - assert_equal 47, accounts(:signals37, :reload).credit_limit - end - - def test_decrement_attribute_by - assert_equal 50, accounts(:signals37).credit_limit - accounts(:signals37).decrement! :credit_limit, 5 - assert_equal 45, accounts(:signals37, :reload).credit_limit - - accounts(:signals37).decrement(:credit_limit, 1).decrement!(:credit_limit, 3) - assert_equal 41, accounts(:signals37, :reload).credit_limit - end - def test_toggle_attribute assert !topics(:first).approved? topics(:first).toggle!(:approved) @@ -1794,28 +1100,6 @@ class BasicsTest < ActiveRecord::TestCase assert_equal res6, res7 end - def test_clear_association_cache_stored - firm = Firm.find(1) - assert_kind_of Firm, firm - - firm.clear_association_cache - assert_equal Firm.find(1).clients.collect{ |x| x.name }.sort, firm.clients.collect{ |x| x.name }.sort - end - - def test_clear_association_cache_new_record - firm = Firm.new - client_stored = Client.find(3) - client_new = Client.new - client_new.name = "The Joneses" - clients = [ client_stored, client_new ] - - firm.clients << clients - assert_equal clients.map(&:name).to_set, firm.clients.map(&:name).to_set - - firm.clear_association_cache - assert_equal clients.map(&:name).to_set, firm.clients.map(&:name).to_set - end - def test_interpolate_sql assert_nothing_raised { Category.new.send(:interpolate_sql, 'foo@bar') } assert_nothing_raised { Category.new.send(:interpolate_sql, 'foo bar) baz') } @@ -2015,134 +1299,6 @@ class BasicsTest < ActiveRecord::TestCase assert_no_queries { assert true } end - def test_to_xml - xml = REXML::Document.new(topics(:first).to_xml(:indent => 0)) - bonus_time_in_current_timezone = topics(:first).bonus_time.xmlschema - written_on_in_current_timezone = topics(:first).written_on.xmlschema - last_read_in_current_timezone = topics(:first).last_read.xmlschema - - assert_equal "topic", xml.root.name - assert_equal "The First Topic" , xml.elements["//title"].text - assert_equal "David" , xml.elements["//author-name"].text - assert_match "Have a nice day", xml.elements["//content"].text - - assert_equal "1", xml.elements["//id"].text - assert_equal "integer" , xml.elements["//id"].attributes['type'] - - assert_equal "1", xml.elements["//replies-count"].text - assert_equal "integer" , xml.elements["//replies-count"].attributes['type'] - - assert_equal written_on_in_current_timezone, xml.elements["//written-on"].text - assert_equal "datetime" , xml.elements["//written-on"].attributes['type'] - - assert_equal "david@loudthinking.com", xml.elements["//author-email-address"].text - - assert_equal nil, xml.elements["//parent-id"].text - assert_equal "integer", xml.elements["//parent-id"].attributes['type'] - assert_equal "true", xml.elements["//parent-id"].attributes['nil'] - - if current_adapter?(:SybaseAdapter) - assert_equal last_read_in_current_timezone, xml.elements["//last-read"].text - assert_equal "datetime" , xml.elements["//last-read"].attributes['type'] - else - # Oracle enhanced adapter allows to define Date attributes in model class (see topic.rb) - assert_equal "2004-04-15", xml.elements["//last-read"].text - assert_equal "date" , xml.elements["//last-read"].attributes['type'] - end - - # Oracle and DB2 don't have true boolean or time-only fields - unless current_adapter?(:OracleAdapter, :DB2Adapter) - assert_equal "false", xml.elements["//approved"].text - assert_equal "boolean" , xml.elements["//approved"].attributes['type'] - - assert_equal bonus_time_in_current_timezone, xml.elements["//bonus-time"].text - assert_equal "datetime" , xml.elements["//bonus-time"].attributes['type'] - end - end - - def test_to_xml_skipping_attributes - xml = topics(:first).to_xml(:indent => 0, :skip_instruct => true, :except => [:title, :replies_count]) - assert_equal "<topic>", xml.first(7) - assert !xml.include?(%(<title>The First Topic</title>)) - assert xml.include?(%(<author-name>David</author-name>)) - - xml = topics(:first).to_xml(:indent => 0, :skip_instruct => true, :except => [:title, :author_name, :replies_count]) - assert !xml.include?(%(<title>The First Topic</title>)) - assert !xml.include?(%(<author-name>David</author-name>)) - end - - def test_to_xml_including_has_many_association - xml = topics(:first).to_xml(:indent => 0, :skip_instruct => true, :include => :replies, :except => :replies_count) - assert_equal "<topic>", xml.first(7) - assert xml.include?(%(<replies type="array"><reply>)) - assert xml.include?(%(<title>The Second Topic of the day</title>)) - end - - def test_array_to_xml_including_has_many_association - xml = [ topics(:first), topics(:second) ].to_xml(:indent => 0, :skip_instruct => true, :include => :replies) - assert xml.include?(%(<replies type="array"><reply>)) - end - - def test_array_to_xml_including_methods - xml = [ topics(:first), topics(:second) ].to_xml(:indent => 0, :skip_instruct => true, :methods => [ :topic_id ]) - assert xml.include?(%(<topic-id type="integer">#{topics(:first).topic_id}</topic-id>)), xml - assert xml.include?(%(<topic-id type="integer">#{topics(:second).topic_id}</topic-id>)), xml - end - - def test_array_to_xml_including_has_one_association - xml = [ companies(:first_firm), companies(:rails_core) ].to_xml(:indent => 0, :skip_instruct => true, :include => :account) - assert xml.include?(companies(:first_firm).account.to_xml(:indent => 0, :skip_instruct => true)) - assert xml.include?(companies(:rails_core).account.to_xml(:indent => 0, :skip_instruct => true)) - end - - def test_array_to_xml_including_belongs_to_association - xml = [ companies(:first_client), companies(:second_client), companies(:another_client) ].to_xml(:indent => 0, :skip_instruct => true, :include => :firm) - assert xml.include?(companies(:first_client).to_xml(:indent => 0, :skip_instruct => true)) - assert xml.include?(companies(:second_client).firm.to_xml(:indent => 0, :skip_instruct => true)) - assert xml.include?(companies(:another_client).firm.to_xml(:indent => 0, :skip_instruct => true)) - end - - def test_to_xml_including_belongs_to_association - xml = companies(:first_client).to_xml(:indent => 0, :skip_instruct => true, :include => :firm) - assert !xml.include?("<firm>") - - xml = companies(:second_client).to_xml(:indent => 0, :skip_instruct => true, :include => :firm) - assert xml.include?("<firm>") - end - - def test_to_xml_including_multiple_associations - xml = companies(:first_firm).to_xml(:indent => 0, :skip_instruct => true, :include => [ :clients, :account ]) - assert_equal "<firm>", xml.first(6) - assert xml.include?(%(<account>)) - assert xml.include?(%(<clients type="array"><client>)) - end - - def test_to_xml_including_multiple_associations_with_options - xml = companies(:first_firm).to_xml( - :indent => 0, :skip_instruct => true, - :include => { :clients => { :only => :name } } - ) - - assert_equal "<firm>", xml.first(6) - assert xml.include?(%(<client><name>Summit</name></client>)) - assert xml.include?(%(<clients type="array"><client>)) - end - - def test_to_xml_including_methods - xml = Company.new.to_xml(:methods => :arbitrary_method, :skip_instruct => true) - assert_equal "<company>", xml.first(9) - assert xml.include?(%(<arbitrary-method>I am Jack's profound disappointment</arbitrary-method>)) - end - - def test_to_xml_with_block - value = "Rockin' the block" - xml = Company.new.to_xml(:skip_instruct => true) do |xml| - xml.tag! "arbitrary-element", value - end - assert_equal "<company>", xml.first(9) - assert xml.include?(%(<arbitrary-element>#{value}</arbitrary-element>)) - end - def test_to_param_should_return_string assert_kind_of String, Client.find(:first).to_param end @@ -2237,15 +1393,6 @@ class BasicsTest < ActiveRecord::TestCase ActiveRecord::Base.logger = original_logger end - def test_create_with_custom_timestamps - custom_datetime = 1.hour.ago.beginning_of_day - - %w(created_at created_on updated_at updated_on).each do |attribute| - parrot = LiveParrot.create(:name => "colombian", attribute => custom_datetime) - assert_equal custom_datetime, parrot[attribute] - end - end - def test_dup assert !Minimalistic.new.freeze.dup.frozen? end diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb index 2c9d23c80f..afef31396e 100644 --- a/activerecord/test/cases/calculations_test.rb +++ b/activerecord/test/cases/calculations_test.rb @@ -325,7 +325,7 @@ class CalculationsTest < ActiveRecord::TestCase end def test_from_option_with_specified_index - if Edge.connection.adapter_name == 'MySQL' + if Edge.connection.adapter_name == 'MySQL' or Edge.connection.adapter_name == 'Mysql2' assert_equal Edge.count(:all), Edge.count(:all, :from => 'edges USE INDEX(unique_edge_index)') assert_equal Edge.count(:all, :conditions => 'sink_id < 5'), Edge.count(:all, :from => 'edges USE INDEX(unique_edge_index)', :conditions => 'sink_id < 5') diff --git a/activerecord/test/cases/column_definition_test.rb b/activerecord/test/cases/column_definition_test.rb index b5767344cd..cc6a6b44f2 100644 --- a/activerecord/test/cases/column_definition_test.rb +++ b/activerecord/test/cases/column_definition_test.rb @@ -68,6 +68,40 @@ class ColumnDefinitionTest < ActiveRecord::TestCase end end + if current_adapter?(:Mysql2Adapter) + def test_should_set_default_for_mysql_binary_data_types + binary_column = ActiveRecord::ConnectionAdapters::Mysql2Column.new("title", "a", "binary(1)") + assert_equal "a", binary_column.default + + varbinary_column = ActiveRecord::ConnectionAdapters::Mysql2Column.new("title", "a", "varbinary(1)") + assert_equal "a", varbinary_column.default + end + + def test_should_not_set_default_for_blob_and_text_data_types + assert_raise ArgumentError do + ActiveRecord::ConnectionAdapters::Mysql2Column.new("title", "a", "blob") + end + + assert_raise ArgumentError do + ActiveRecord::ConnectionAdapters::Mysql2Column.new("title", "Hello", "text") + end + + text_column = ActiveRecord::ConnectionAdapters::Mysql2Column.new("title", nil, "text") + assert_equal nil, text_column.default + + not_null_text_column = ActiveRecord::ConnectionAdapters::Mysql2Column.new("title", nil, "text", false) + assert_equal "", not_null_text_column.default + end + + def test_has_default_should_return_false_for_blog_and_test_data_types + blob_column = ActiveRecord::ConnectionAdapters::Mysql2Column.new("title", nil, "blob") + assert !blob_column.has_default? + + text_column = ActiveRecord::ConnectionAdapters::Mysql2Column.new("title", nil, "text") + assert !text_column.has_default? + end + end + if current_adapter?(:PostgreSQLAdapter) def test_bigint_column_should_map_to_integer bigint_column = ActiveRecord::ConnectionAdapters::PostgreSQLColumn.new('number', nil, "bigint") diff --git a/activerecord/test/cases/connection_management_test.rb b/activerecord/test/cases/connection_management_test.rb new file mode 100644 index 0000000000..c535119972 --- /dev/null +++ b/activerecord/test/cases/connection_management_test.rb @@ -0,0 +1,25 @@ +require "cases/helper" + +class ConnectionManagementTest < ActiveRecord::TestCase + def setup + @env = {} + @app = stub('App') + @management = ActiveRecord::ConnectionAdapters::ConnectionManagement.new(@app) + + @connections_cleared = false + ActiveRecord::Base.stubs(:clear_active_connections!).with { @connections_cleared = true } + end + + test "clears active connections after each call" do + @app.expects(:call).with(@env) + @management.call(@env) + assert @connections_cleared + end + + test "doesn't clear active connections when running in a test case" do + @env['rack.test'] = true + @app.expects(:call).with(@env) + @management.call(@env) + assert !@connections_cleared + end +end diff --git a/activerecord/test/cases/connection_pool_test.rb b/activerecord/test/cases/connection_pool_test.rb index cc9b2a45f4..82b3c36ed2 100644 --- a/activerecord/test/cases/connection_pool_test.rb +++ b/activerecord/test/cases/connection_pool_test.rb @@ -1,25 +1,31 @@ require "cases/helper" -class ConnectionManagementTest < ActiveRecord::TestCase - def setup - @env = {} - @app = stub('App') - @management = ActiveRecord::ConnectionAdapters::ConnectionManagement.new(@app) - - @connections_cleared = false - ActiveRecord::Base.stubs(:clear_active_connections!).with { @connections_cleared = true } - end - - test "clears active connections after each call" do - @app.expects(:call).with(@env) - @management.call(@env) - assert @connections_cleared - end - - test "doesn't clear active connections when running in a test case" do - @env['rack.test'] = true - @app.expects(:call).with(@env) - @management.call(@env) - assert !@connections_cleared +module ActiveRecord + module ConnectionAdapters + class ConnectionPoolTest < ActiveRecord::TestCase + def test_clear_stale_cached_connections! + pool = ConnectionPool.new ActiveRecord::Base.connection_pool.spec + + threads = [ + Thread.new { pool.connection }, + Thread.new { pool.connection }] + + threads.map { |t| t.join } + + pool.extend Module.new { + attr_accessor :checkins + def checkin conn + @checkins << conn + conn.object_id + end + } + pool.checkins = [] + + cleared_threads = pool.clear_stale_cached_connections! + assert((cleared_threads - threads.map { |x| x.object_id }).empty?, + "threads should have been removed") + assert_equal pool.checkins.length, threads.length + end + end end -end
\ No newline at end of file +end diff --git a/activerecord/test/cases/defaults_test.rb b/activerecord/test/cases/defaults_test.rb index ef29422824..0e90128907 100644 --- a/activerecord/test/cases/defaults_test.rb +++ b/activerecord/test/cases/defaults_test.rb @@ -39,7 +39,7 @@ class DefaultTest < ActiveRecord::TestCase end end -if current_adapter?(:MysqlAdapter) +if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) class DefaultsTestWithoutTransactionalFixtures < ActiveRecord::TestCase # ActiveRecord::Base#create! (and #save and other related methods) will # open a new transaction. When in transactional fixtures mode, this will diff --git a/activerecord/test/cases/finder_test.rb b/activerecord/test/cases/finder_test.rb index 860d330a7f..4f3e43d77d 100644 --- a/activerecord/test/cases/finder_test.rb +++ b/activerecord/test/cases/finder_test.rb @@ -10,7 +10,6 @@ require 'models/entrant' require 'models/project' require 'models/developer' require 'models/customer' -require 'models/job' class DynamicFinderMatchTest < ActiveRecord::TestCase def test_find_no_match @@ -694,6 +693,14 @@ class FinderTest < ActiveRecord::TestCase assert_equal [], Topic.find_all_by_title("The First Topic!!") end + def test_find_all_by_one_attribute_which_is_a_symbol + topics = Topic.find_all_by_content("Have a nice day".to_sym) + assert_equal 2, topics.size + assert topics.include?(topics(:first)) + + assert_equal [], Topic.find_all_by_title("The First Topic!!") + end + def test_find_all_by_one_attribute_that_is_an_aggregate balance = customers(:david).balance assert_kind_of Money, balance diff --git a/activerecord/test/cases/fixtures_test.rb b/activerecord/test/cases/fixtures_test.rb index 8008b86f81..93f8749255 100644 --- a/activerecord/test/cases/fixtures_test.rb +++ b/activerecord/test/cases/fixtures_test.rb @@ -36,7 +36,7 @@ class FixturesTest < ActiveRecord::TestCase fixtures = nil assert_nothing_raised { fixtures = create_fixtures(name) } assert_kind_of(Fixtures, fixtures) - fixtures.each { |name, fixture| + fixtures.each { |_name, fixture| fixture.each { |key, value| assert_match(MATCH_ATTRIBUTE_NAME, key) } @@ -229,9 +229,9 @@ if Account.connection.respond_to?(:reset_pk_sequence!) def test_create_fixtures_resets_sequences_when_not_cached @instances.each do |instance| - max_id = create_fixtures(instance.class.table_name).inject(0) do |max_id, (name, fixture)| + max_id = create_fixtures(instance.class.table_name).inject(0) do |_max_id, (name, fixture)| fixture_id = fixture['id'].to_i - fixture_id > max_id ? fixture_id : max_id + fixture_id > _max_id ? fixture_id : _max_id end # Clone the last fixture to check that it gets the next greatest id. diff --git a/activerecord/test/cases/i18n_test.rb b/activerecord/test/cases/i18n_test.rb index ae4dcfb81e..3287626378 100644 --- a/activerecord/test/cases/i18n_test.rb +++ b/activerecord/test/cases/i18n_test.rb @@ -2,7 +2,7 @@ require "cases/helper" require 'models/topic' require 'models/reply' -class ActiveRecordI18nTests < Test::Unit::TestCase +class ActiveRecordI18nTests < ActiveRecord::TestCase def setup I18n.backend = I18n::Backend::Simple.new diff --git a/activerecord/test/cases/invalid_date_test.rb b/activerecord/test/cases/invalid_date_test.rb index 99af7d2986..2de50b224c 100644 --- a/activerecord/test/cases/invalid_date_test.rb +++ b/activerecord/test/cases/invalid_date_test.rb @@ -1,7 +1,7 @@ require 'cases/helper' require 'models/topic' -class InvalidDateTest < Test::Unit::TestCase +class InvalidDateTest < ActiveRecord::TestCase def test_assign_valid_dates valid_dates = [[2007, 11, 30], [1993, 2, 28], [2008, 2, 29]] diff --git a/activerecord/test/cases/json_serialization_test.rb b/activerecord/test/cases/json_serialization_test.rb index c275557da8..2bc746c0b8 100644 --- a/activerecord/test/cases/json_serialization_test.rb +++ b/activerecord/test/cases/json_serialization_test.rb @@ -201,4 +201,11 @@ class DatabaseConnectedJsonEncodingTest < ActiveRecord::TestCase } assert_equal %({"1":{"author":{"name":"David"}}}), ActiveSupport::JSON.encode(authors_hash, :only => [1, :name]) end + + def test_should_be_able_to_encode_relation + authors_relation = Author.where(:id => [@david.id, @mary.id]) + + json = ActiveSupport::JSON.encode authors_relation, :only => :name + assert_equal '[{"author":{"name":"David"}},{"author":{"name":"Mary"}}]', json + end end diff --git a/activerecord/test/cases/locking_test.rb b/activerecord/test/cases/locking_test.rb index 66874cdad1..e7126964cd 100644 --- a/activerecord/test/cases/locking_test.rb +++ b/activerecord/test/cases/locking_test.rb @@ -53,7 +53,8 @@ class OptimisticLockingTest < ActiveRecord::TestCase assert_raises(ActiveRecord::StaleObjectError) { p2.destroy } assert p1.destroy - assert_equal true, p1.frozen? + assert p1.frozen? + assert p1.destroyed? assert_raises(ActiveRecord::RecordNotFound) { Person.find(1) } end diff --git a/activerecord/test/cases/log_subscriber_test.rb b/activerecord/test/cases/log_subscriber_test.rb index 4aeae1fe45..cbaaca764b 100644 --- a/activerecord/test/cases/log_subscriber_test.rb +++ b/activerecord/test/cases/log_subscriber_test.rb @@ -2,8 +2,9 @@ require "cases/helper" require "models/developer" require "active_support/log_subscriber/test_helper" -class LogSubscriberTest < ActiveSupport::TestCase +class LogSubscriberTest < ActiveRecord::TestCase include ActiveSupport::LogSubscriber::TestHelper + include ActiveSupport::BufferedLogger::Severity def setup @old_logger = ActiveRecord::Base.logger @@ -39,4 +40,25 @@ class LogSubscriberTest < ActiveSupport::TestCase assert_match(/CACHE/, @logger.logged(:debug).last) assert_match(/SELECT .*?FROM .?developers.?/i, @logger.logged(:debug).last) end + + def test_basic_query_doesnt_log_when_level_is_not_debug + @logger.level = INFO + Developer.all + wait + assert_equal 0, @logger.logged(:debug).size + end + + def test_cached_queries_doesnt_log_when_level_is_not_debug + @logger.level = INFO + ActiveRecord::Base.cache do + Developer.all + Developer.all + end + wait + assert_equal 0, @logger.logged(:debug).size + end + + def test_initializes_runtime + Thread.new { assert_equal 0, ActiveRecord::LogSubscriber.runtime }.join + end end diff --git a/activerecord/test/cases/method_scoping_test.rb b/activerecord/test/cases/method_scoping_test.rb index 4e8ce1dac1..5256ab8d11 100644 --- a/activerecord/test/cases/method_scoping_test.rb +++ b/activerecord/test/cases/method_scoping_test.rb @@ -8,7 +8,6 @@ require 'models/author' require 'models/developer' require 'models/project' require 'models/comment' -require 'models/category' class MethodScopingTest < ActiveRecord::TestCase fixtures :authors, :developers, :projects, :comments, :posts, :developers_projects @@ -209,6 +208,13 @@ class MethodScopingTest < ActiveRecord::TestCase end end + def test_scope_for_create_only_uses_equal + table = VerySpecialComment.arel_table + relation = VerySpecialComment.scoped + relation.where_values << table[:id].not_eq(1) + assert_equal({:type => "VerySpecialComment"}, relation.send(:scope_for_create)) + end + def test_scoped_create new_comment = nil @@ -543,4 +549,4 @@ class NestedScopingTest < ActiveRecord::TestCase assert_equal 1, scoped_authors.size assert_equal authors(:david).attributes, scoped_authors.first.attributes end -end
\ No newline at end of file +end diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb index 2c3fc46831..0cf3979694 100644 --- a/activerecord/test/cases/migration_test.rb +++ b/activerecord/test/cases/migration_test.rb @@ -256,7 +256,7 @@ if ActiveRecord::Base.connection.supports_migrations? def test_create_table_with_defaults # MySQL doesn't allow defaults on TEXT or BLOB columns. - mysql = current_adapter?(:MysqlAdapter) + mysql = current_adapter?(:MysqlAdapter) || current_adapter?(:Mysql2Adapter) Person.connection.create_table :testings do |t| t.column :one, :string, :default => "hello" @@ -313,7 +313,7 @@ if ActiveRecord::Base.connection.supports_migrations? assert_equal 'integer', four.sql_type assert_equal 'bigint', eight.sql_type assert_equal 'integer', eleven.sql_type - elsif current_adapter?(:MysqlAdapter) + elsif current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) assert_match 'int(11)', default.sql_type assert_match 'tinyint', one.sql_type assert_match 'int', four.sql_type @@ -581,7 +581,7 @@ if ActiveRecord::Base.connection.supports_migrations? assert_kind_of BigDecimal, bob.wealth end - if current_adapter?(:MysqlAdapter) + if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) def test_unabstracted_database_dependent_types Person.delete_all @@ -621,7 +621,7 @@ if ActiveRecord::Base.connection.supports_migrations? assert !Person.column_methods_hash.include?(:last_name) end - if current_adapter?(:MysqlAdapter) + if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) def testing_table_for_positioning Person.connection.create_table :testings, :id => false do |t| t.column :first, :integer @@ -1447,7 +1447,7 @@ if ActiveRecord::Base.connection.supports_migrations? columns = Person.connection.columns(:binary_testings) data_column = columns.detect { |c| c.name == "data" } - if current_adapter?(:MysqlAdapter) + if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) assert_equal '', data_column.default else assert_nil data_column.default @@ -1748,7 +1748,7 @@ if ActiveRecord::Base.connection.supports_migrations? end def integer_column - if current_adapter?(:MysqlAdapter) + if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) 'int(11)' elsif current_adapter?(:OracleAdapter) 'NUMBER(38)' diff --git a/activerecord/test/cases/named_scope_test.rb b/activerecord/test/cases/named_scope_test.rb index dc85b395d3..c42dda2ccb 100644 --- a/activerecord/test/cases/named_scope_test.rb +++ b/activerecord/test/cases/named_scope_test.rb @@ -270,27 +270,27 @@ class NamedScopeTest < ActiveRecord::TestCase assert Topic.base.many? end - def test_should_build_with_proxy_options + def test_should_build_on_top_of_named_scope topic = Topic.approved.build({}) assert topic.approved end - def test_should_build_new_with_proxy_options + def test_should_build_new_on_top_of_named_scope topic = Topic.approved.new assert topic.approved end - def test_should_create_with_proxy_options + def test_should_create_on_top_of_named_scope topic = Topic.approved.create({}) assert topic.approved end - def test_should_create_with_bang_with_proxy_options + def test_should_create_with_bang_on_top_of_named_scope topic = Topic.approved.create!({}) assert topic.approved end - def test_should_build_with_proxy_options_chained + def test_should_build_on_top_of_chained_named_scopes topic = Topic.approved.by_lifo.build({}) assert topic.approved assert_equal 'lifo', topic.author_name @@ -478,4 +478,10 @@ class DynamicScopeTest < ActiveRecord::TestCase assert_equal Post.scoped_by_author_id(1).find(1), Post.find(1) assert_equal Post.scoped_by_author_id_and_title(1, "Welcome to the weblog").first, Post.find(:first, :conditions => { :author_id => 1, :title => "Welcome to the weblog"}) end + + def test_dynamic_scope_should_create_methods_after_hitting_method_missing + assert Developer.methods.grep(/scoped_by_created_at/).blank? + Developer.scoped_by_created_at(nil) + assert Developer.methods.grep(/scoped_by_created_at/).present? + end end diff --git a/activerecord/test/cases/nested_attributes_test.rb b/activerecord/test/cases/nested_attributes_test.rb index c9ea0d8c40..df09bbd46a 100644 --- a/activerecord/test/cases/nested_attributes_test.rb +++ b/activerecord/test/cases/nested_attributes_test.rb @@ -59,6 +59,7 @@ class TestNestedAttributesInGeneral < ActiveRecord::TestCase pirate.save! assert_equal 1, pirate.birds_with_reject_all_blank.count + assert_equal 'Tweetie', pirate.birds_with_reject_all_blank.first.name end def test_should_raise_an_ArgumentError_for_non_existing_associations @@ -74,7 +75,7 @@ class TestNestedAttributesInGeneral < ActiveRecord::TestCase ship = pirate.create_ship(:name => 'Nights Dirty Lightning') assert_no_difference('Ship.count') do - pirate.update_attributes(:ship_attributes => { '_destroy' => true }) + pirate.update_attributes(:ship_attributes => { '_destroy' => true, :id => ship.id }) end end @@ -100,7 +101,8 @@ class TestNestedAttributesInGeneral < ActiveRecord::TestCase pirate.ship_attributes = { :name => 'Red Pearl', :_reject_me_if_new => true } assert_no_difference('Ship.count') { pirate.save! } - # pirate.reject_empty_ships_on_create returns false for saved records + # pirate.reject_empty_ships_on_create returns false for saved pirate records + # in the previous step note that pirate gets saved but ship fails pirate.ship_attributes = { :name => 'Red Pearl', :_reject_me_if_new => true } assert_difference('Ship.count') { pirate.save! } end @@ -266,6 +268,28 @@ class TestNestedAttributesOnAHasOneAssociation < ActiveRecord::TestCase end assert_equal 'Mayflower', @ship.reload.name end + + def test_should_update_existing_when_update_only_is_true_and_id_is_given + @ship.delete + @ship = @pirate.create_update_only_ship(:name => 'Nights Dirty Lightning') + + assert_no_difference('Ship.count') do + @pirate.update_attributes(:update_only_ship_attributes => { :name => 'Mayflower', :id => @ship.id }) + end + assert_equal 'Mayflower', @ship.reload.name + end + + def test_should_destroy_existing_when_update_only_is_true_and_id_is_given_and_is_marked_for_destruction + Pirate.accepts_nested_attributes_for :update_only_ship, :update_only => true, :allow_destroy => true + @ship.delete + @ship = @pirate.create_update_only_ship(:name => 'Nights Dirty Lightning') + + assert_difference('Ship.count', -1) do + @pirate.update_attributes(:update_only_ship_attributes => { :name => 'Mayflower', :id => @ship.id, :_destroy => true }) + end + Pirate.accepts_nested_attributes_for :update_only_ship, :update_only => true, :allow_destroy => false + end + end class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase @@ -411,6 +435,27 @@ class TestNestedAttributesOnABelongsToAssociation < ActiveRecord::TestCase end assert_equal 'Arr', @pirate.reload.catchphrase end + + def test_should_update_existing_when_update_only_is_true_and_id_is_given + @pirate.delete + @pirate = @ship.create_update_only_pirate(:catchphrase => 'Aye') + + assert_no_difference('Pirate.count') do + @ship.update_attributes(:update_only_pirate_attributes => { :catchphrase => 'Arr', :id => @pirate.id }) + end + assert_equal 'Arr', @pirate.reload.catchphrase + end + + def test_should_destroy_existing_when_update_only_is_true_and_id_is_given_and_is_marked_for_destruction + Ship.accepts_nested_attributes_for :update_only_pirate, :update_only => true, :allow_destroy => true + @pirate.delete + @pirate = @ship.create_update_only_pirate(:catchphrase => 'Aye') + + assert_difference('Pirate.count', -1) do + @ship.update_attributes(:update_only_pirate_attributes => { :catchphrase => 'Arr', :id => @pirate.id, :_destroy => true }) + end + Ship.accepts_nested_attributes_for :update_only_pirate, :update_only => true, :allow_destroy => false + end end module NestedAttributesOnACollectionAssociationTests @@ -811,7 +856,25 @@ class TestHasManyAutosaveAssociationWhichItselfHasAutosaveAssociations < ActiveR @part = @ship.parts.create!(:name => "Mast") @trinket = @part.trinkets.create!(:name => "Necklace") end - + + test "if association is not loaded and association record is saved and then in memory record attributes should be saved" do + @ship.parts_attributes=[{:id => @part.id,:name =>'Deck'}] + assert_equal 1, @ship.parts.proxy_target.size + assert_equal 'Deck', @ship.parts[0].name + end + + test "if association is not loaded and child doesn't change and I am saving a grandchild then in memory record should be used" do + @ship.parts_attributes=[{:id => @part.id,:trinkets_attributes =>[{:id => @trinket.id, :name => 'Ruby'}]}] + assert_equal 1, @ship.parts.proxy_target.size + assert_equal 'Mast', @ship.parts[0].name + assert_no_difference("@ship.parts[0].trinkets.proxy_target.size") do + @ship.parts[0].trinkets.proxy_target.size + end + assert_equal 'Ruby', @ship.parts[0].trinkets[0].name + @ship.save + assert_equal 'Ruby', @ship.parts[0].trinkets[0].name + end + test "when grandchild changed in memory, saving parent should save grandchild" do @trinket.name = "changed" @ship.save diff --git a/activerecord/test/cases/persistence_test.rb b/activerecord/test/cases/persistence_test.rb new file mode 100644 index 0000000000..d7666b19f6 --- /dev/null +++ b/activerecord/test/cases/persistence_test.rb @@ -0,0 +1,470 @@ +require "cases/helper" +require 'models/post' +require 'models/author' +require 'models/topic' +require 'models/reply' +require 'models/category' +require 'models/company' +require 'models/developer' +require 'models/project' +require 'models/minimalistic' +require 'models/warehouse_thing' +require 'models/parrot' +require 'models/minivan' +require 'models/loose_person' +require 'rexml/document' +require 'active_support/core_ext/exception' + +class PersistencesTest < ActiveRecord::TestCase + + fixtures :topics, :companies, :developers, :projects, :computers, :accounts, :minimalistics, 'warehouse-things', :authors, :categorizations, :categories, :posts, :minivans + + # Oracle UPDATE does not support ORDER BY + unless current_adapter?(:OracleAdapter) + def test_update_all_ignores_order_without_limit_from_association + author = authors(:david) + assert_nothing_raised do + assert_equal author.posts_with_comments_and_categories.length, author.posts_with_comments_and_categories.update_all([ "body = ?", "bulk update!" ]) + end + end + + def test_update_all_with_order_and_limit_updates_subset_only + author = authors(:david) + assert_nothing_raised do + assert_equal 1, author.posts_sorted_by_id_limited.size + assert_equal 2, author.posts_sorted_by_id_limited.find(:all, :limit => 2).size + assert_equal 1, author.posts_sorted_by_id_limited.update_all([ "body = ?", "bulk update!" ]) + assert_equal "bulk update!", posts(:welcome).body + assert_not_equal "bulk update!", posts(:thinking).body + end + end + end + + def test_update_many + topic_data = { 1 => { "content" => "1 updated" }, 2 => { "content" => "2 updated" } } + updated = Topic.update(topic_data.keys, topic_data.values) + + assert_equal 2, updated.size + assert_equal "1 updated", Topic.find(1).content + assert_equal "2 updated", Topic.find(2).content + end + + def test_delete_all + assert Topic.count > 0 + + assert_equal Topic.count, Topic.delete_all + end + + def test_update_by_condition + Topic.update_all "content = 'bulk updated!'", ["approved = ?", true] + assert_equal "Have a nice day", Topic.find(1).content + assert_equal "bulk updated!", Topic.find(2).content + end + + def test_increment_attribute + assert_equal 50, accounts(:signals37).credit_limit + accounts(:signals37).increment! :credit_limit + assert_equal 51, accounts(:signals37, :reload).credit_limit + + accounts(:signals37).increment(:credit_limit).increment!(:credit_limit) + assert_equal 53, accounts(:signals37, :reload).credit_limit + end + + def test_increment_nil_attribute + assert_nil topics(:first).parent_id + topics(:first).increment! :parent_id + assert_equal 1, topics(:first).parent_id + end + + def test_increment_attribute_by + assert_equal 50, accounts(:signals37).credit_limit + accounts(:signals37).increment! :credit_limit, 5 + assert_equal 55, accounts(:signals37, :reload).credit_limit + + accounts(:signals37).increment(:credit_limit, 1).increment!(:credit_limit, 3) + assert_equal 59, accounts(:signals37, :reload).credit_limit + end + + def test_destroy_all + conditions = "author_name = 'Mary'" + topics_by_mary = Topic.all(:conditions => conditions, :order => 'id') + assert ! topics_by_mary.empty? + + assert_difference('Topic.count', -topics_by_mary.size) do + destroyed = Topic.destroy_all(conditions).sort_by(&:id) + assert_equal topics_by_mary, destroyed + assert destroyed.all? { |topic| topic.frozen? }, "destroyed topics should be frozen" + end + end + + def test_destroy_many + clients = Client.find([2, 3], :order => 'id') + + assert_difference('Client.count', -2) do + destroyed = Client.destroy([2, 3]).sort_by(&:id) + assert_equal clients, destroyed + assert destroyed.all? { |client| client.frozen? }, "destroyed clients should be frozen" + end + end + + def test_delete_many + original_count = Topic.count + Topic.delete(deleting = [1, 2]) + assert_equal original_count - deleting.size, Topic.count + end + + def test_decrement_attribute + assert_equal 50, accounts(:signals37).credit_limit + + accounts(:signals37).decrement!(:credit_limit) + assert_equal 49, accounts(:signals37, :reload).credit_limit + + accounts(:signals37).decrement(:credit_limit).decrement!(:credit_limit) + assert_equal 47, accounts(:signals37, :reload).credit_limit + end + + def test_decrement_attribute_by + assert_equal 50, accounts(:signals37).credit_limit + accounts(:signals37).decrement! :credit_limit, 5 + assert_equal 45, accounts(:signals37, :reload).credit_limit + + accounts(:signals37).decrement(:credit_limit, 1).decrement!(:credit_limit, 3) + assert_equal 41, accounts(:signals37, :reload).credit_limit + end + + def test_create + topic = Topic.new + topic.title = "New Topic" + topic.save + topic_reloaded = Topic.find(topic.id) + assert_equal("New Topic", topic_reloaded.title) + end + + def test_save! + topic = Topic.new(:title => "New Topic") + assert topic.save! + + reply = WrongReply.new + assert_raise(ActiveRecord::RecordInvalid) { reply.save! } + end + + def test_save_null_string_attributes + topic = Topic.find(1) + topic.attributes = { "title" => "null", "author_name" => "null" } + topic.save! + topic.reload + assert_equal("null", topic.title) + assert_equal("null", topic.author_name) + end + + def test_save_nil_string_attributes + topic = Topic.find(1) + topic.title = nil + topic.save! + topic.reload + assert_nil topic.title + end + + def test_save_for_record_with_only_primary_key + minimalistic = Minimalistic.new + assert_nothing_raised { minimalistic.save } + end + + def test_save_for_record_with_only_primary_key_that_is_provided + assert_nothing_raised { Minimalistic.create!(:id => 2) } + end + + def test_create_many + topics = Topic.create([ { "title" => "first" }, { "title" => "second" }]) + assert_equal 2, topics.size + assert_equal "first", topics.first.title + end + + def test_create_columns_not_equal_attributes + topic = Topic.new + topic.title = 'Another New Topic' + topic.send :write_attribute, 'does_not_exist', 'test' + assert_nothing_raised { topic.save } + end + + def test_create_through_factory_with_block + topic = Topic.create("title" => "New Topic") do |t| + t.author_name = "David" + end + topicReloaded = Topic.find(topic.id) + assert_equal("New Topic", topic.title) + assert_equal("David", topic.author_name) + end + + def test_create_many_through_factory_with_block + topics = Topic.create([ { "title" => "first" }, { "title" => "second" }]) do |t| + t.author_name = "David" + end + assert_equal 2, topics.size + topic1, topic2 = Topic.find(topics[0].id), Topic.find(topics[1].id) + assert_equal "first", topic1.title + assert_equal "David", topic1.author_name + assert_equal "second", topic2.title + assert_equal "David", topic2.author_name + end + + def test_update + topic = Topic.new + topic.title = "Another New Topic" + topic.written_on = "2003-12-12 23:23:00" + topic.save + topicReloaded = Topic.find(topic.id) + assert_equal("Another New Topic", topicReloaded.title) + + topicReloaded.title = "Updated topic" + topicReloaded.save + + topicReloadedAgain = Topic.find(topic.id) + + assert_equal("Updated topic", topicReloadedAgain.title) + end + + def test_update_columns_not_equal_attributes + topic = Topic.new + topic.title = "Still another topic" + topic.save + + topicReloaded = Topic.find(topic.id) + topicReloaded.title = "A New Topic" + topicReloaded.send :write_attribute, 'does_not_exist', 'test' + assert_nothing_raised { topicReloaded.save } + end + + def test_update_for_record_with_only_primary_key + minimalistic = minimalistics(:first) + assert_nothing_raised { minimalistic.save } + end + + def test_delete + topic = Topic.find(1) + assert_equal topic, topic.delete, 'topic.delete did not return self' + assert topic.frozen?, 'topic not frozen after delete' + assert_raise(ActiveRecord::RecordNotFound) { Topic.find(topic.id) } + end + + def test_delete_doesnt_run_callbacks + Topic.find(1).delete + assert_not_nil Topic.find(2) + end + + def test_destroy + topic = Topic.find(1) + assert_equal topic, topic.destroy, 'topic.destroy did not return self' + assert topic.frozen?, 'topic not frozen after destroy' + assert_raise(ActiveRecord::RecordNotFound) { Topic.find(topic.id) } + end + + def test_record_not_found_exception + assert_raise(ActiveRecord::RecordNotFound) { topicReloaded = Topic.find(99999) } + end + + def test_update_all + assert_equal Topic.count, Topic.update_all("content = 'bulk updated!'") + assert_equal "bulk updated!", Topic.find(1).content + assert_equal "bulk updated!", Topic.find(2).content + + assert_equal Topic.count, Topic.update_all(['content = ?', 'bulk updated again!']) + assert_equal "bulk updated again!", Topic.find(1).content + assert_equal "bulk updated again!", Topic.find(2).content + + assert_equal Topic.count, Topic.update_all(['content = ?', nil]) + assert_nil Topic.find(1).content + end + + def test_update_all_with_hash + assert_not_nil Topic.find(1).last_read + assert_equal Topic.count, Topic.update_all(:content => 'bulk updated with hash!', :last_read => nil) + assert_equal "bulk updated with hash!", Topic.find(1).content + assert_equal "bulk updated with hash!", Topic.find(2).content + assert_nil Topic.find(1).last_read + assert_nil Topic.find(2).last_read + end + + def test_update_all_with_non_standard_table_name + assert_equal 1, WarehouseThing.update_all(['value = ?', 0], ['id = ?', 1]) + assert_equal 0, WarehouseThing.find(1).value + end + + def test_delete_new_record + client = Client.new + client.delete + assert client.frozen? + end + + def test_delete_record_with_associations + client = Client.find(3) + client.delete + assert client.frozen? + assert_kind_of Firm, client.firm + assert_raise(ActiveSupport::FrozenObjectError) { client.name = "something else" } + end + + def test_destroy_new_record + client = Client.new + client.destroy + assert client.frozen? + end + + def test_destroy_record_with_associations + client = Client.find(3) + client.destroy + assert client.frozen? + assert_kind_of Firm, client.firm + assert_raise(ActiveSupport::FrozenObjectError) { client.name = "something else" } + end + + def test_update_attribute + assert !Topic.find(1).approved? + Topic.find(1).update_attribute("approved", true) + assert Topic.find(1).approved? + + Topic.find(1).update_attribute(:approved, false) + assert !Topic.find(1).approved? + end + + def test_update_attribute_for_readonly_attribute + minivan = Minivan.find('m1') + assert_raises(ActiveRecord::ActiveRecordError) { minivan.update_attribute(:color, 'black') } + end + + def test_update_attribute_with_one_changed_and_one_updated + t = Topic.order('id').limit(1).first + title, author_name = t.title, t.author_name + t.author_name = 'John' + t.update_attribute(:title, 'super_title') + assert_equal 'John', t.author_name + assert_equal 'super_title', t.title + assert t.changed?, "topic should have changed" + assert t.author_name_changed?, "author_name should have changed" + assert !t.title_changed?, "title should not have changed" + assert_nil t.title_change, 'title change should be nil' + assert_equal ['author_name'], t.changed + + t.reload + assert_equal 'David', t.author_name + assert_equal 'super_title', t.title + end + + def test_update_attribute_with_one_updated + t = Topic.first + title = t.title + t.update_attribute(:title, 'super_title') + assert_equal 'super_title', t.title + assert !t.changed?, "topic should not have changed" + assert !t.title_changed?, "title should not have changed" + assert_nil t.title_change, 'title change should be nil' + + t.reload + assert_equal 'super_title', t.title + end + + def test_update_attribute_for_udpated_at_on + developer = Developer.find(1) + prev_month = Time.now.prev_month + developer.update_attribute(:updated_at, prev_month) + assert_equal prev_month, developer.updated_at + developer.update_attribute(:salary, 80001) + assert_not_equal prev_month, developer.updated_at + developer.reload + assert_not_equal prev_month, developer.updated_at + end + + def test_update_attributes + topic = Topic.find(1) + assert !topic.approved? + assert_equal "The First Topic", topic.title + + topic.update_attributes("approved" => true, "title" => "The First Topic Updated") + topic.reload + assert topic.approved? + assert_equal "The First Topic Updated", topic.title + + topic.update_attributes(:approved => false, :title => "The First Topic") + topic.reload + assert !topic.approved? + assert_equal "The First Topic", topic.title + end + + def test_update_attributes! + Reply.validates_presence_of(:title) + reply = Reply.find(2) + assert_equal "The Second Topic of the day", reply.title + assert_equal "Have a nice day", reply.content + + reply.update_attributes!("title" => "The Second Topic of the day updated", "content" => "Have a nice evening") + reply.reload + assert_equal "The Second Topic of the day updated", reply.title + assert_equal "Have a nice evening", reply.content + + reply.update_attributes!(:title => "The Second Topic of the day", :content => "Have a nice day") + reply.reload + assert_equal "The Second Topic of the day", reply.title + assert_equal "Have a nice day", reply.content + + assert_raise(ActiveRecord::RecordInvalid) { reply.update_attributes!(:title => nil, :content => "Have a nice evening") } + ensure + Reply.reset_callbacks(:validate) + end + + def test_destroyed_returns_boolean + developer = Developer.first + assert_equal false, developer.destroyed? + developer.destroy + assert_equal true, developer.destroyed? + + developer = Developer.last + assert_equal false, developer.destroyed? + developer.delete + assert_equal true, developer.destroyed? + end + + def test_persisted_returns_boolean + developer = Developer.new(:name => "Jose") + assert_equal false, developer.persisted? + developer.save! + assert_equal true, developer.persisted? + + developer = Developer.first + assert_equal true, developer.persisted? + developer.destroy + assert_equal false, developer.persisted? + + developer = Developer.last + assert_equal true, developer.persisted? + developer.delete + assert_equal false, developer.persisted? + end + + def test_class_level_destroy + should_be_destroyed_reply = Reply.create("title" => "hello", "content" => "world") + Topic.find(1).replies << should_be_destroyed_reply + + Topic.destroy(1) + assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1) } + assert_raise(ActiveRecord::RecordNotFound) { Reply.find(should_be_destroyed_reply.id) } + end + + def test_class_level_delete + should_be_destroyed_reply = Reply.create("title" => "hello", "content" => "world") + Topic.find(1).replies << should_be_destroyed_reply + + Topic.delete(1) + assert_raise(ActiveRecord::RecordNotFound) { Topic.find(1) } + assert_nothing_raised { Reply.find(should_be_destroyed_reply.id) } + end + + def test_create_with_custom_timestamps + custom_datetime = 1.hour.ago.beginning_of_day + + %w(created_at created_on updated_at updated_on).each do |attribute| + parrot = LiveParrot.create(:name => "colombian", attribute => custom_datetime) + assert_equal custom_datetime, parrot[attribute] + end + end + +end diff --git a/activerecord/test/cases/pk_test.rb b/activerecord/test/cases/primary_keys_test.rb index 73f4b3848c..1e44237e0a 100644 --- a/activerecord/test/cases/pk_test.rb +++ b/activerecord/test/cases/primary_keys_test.rb @@ -13,7 +13,7 @@ class PrimaryKeysTest < ActiveRecord::TestCase topic = Topic.new assert topic.to_key.nil? topic = Topic.find(1) - assert_equal topic.to_key, [1] + assert_equal [1], topic.to_key end def test_to_key_with_customized_primary_key @@ -26,7 +26,7 @@ class PrimaryKeysTest < ActiveRecord::TestCase def test_to_key_with_primary_key_after_destroy topic = Topic.find(1) topic.destroy - assert_equal topic.to_key, [1] + assert_equal [1], topic.to_key end def test_integer_key diff --git a/activerecord/test/cases/query_cache_test.rb b/activerecord/test/cases/query_cache_test.rb index 68abca70b3..594db1d0ab 100644 --- a/activerecord/test/cases/query_cache_test.rb +++ b/activerecord/test/cases/query_cache_test.rb @@ -1,8 +1,6 @@ require "cases/helper" require 'models/topic' -require 'models/reply' require 'models/task' -require 'models/course' require 'models/category' require 'models/post' @@ -59,7 +57,7 @@ class QueryCacheTest < ActiveRecord::TestCase # Oracle adapter returns count() as Fixnum or Float if current_adapter?(:OracleAdapter) assert_kind_of Numeric, Task.connection.select_value("SELECT count(*) AS count_all FROM tasks") - elsif current_adapter?(:SQLite3Adapter) && SQLite3::Version::VERSION > '1.2.5' + elsif current_adapter?(:SQLite3Adapter) && SQLite3::Version::VERSION > '1.2.5' or current_adapter?(:Mysql2Adapter) # Future versions of the sqlite3 adapter will return numeric assert_instance_of Fixnum, Task.connection.select_value("SELECT count(*) AS count_all FROM tasks") diff --git a/activerecord/test/cases/relation_scoping_test.rb b/activerecord/test/cases/relation_scoping_test.rb index 41dcdbcd37..a50a4d4165 100644 --- a/activerecord/test/cases/relation_scoping_test.rb +++ b/activerecord/test/cases/relation_scoping_test.rb @@ -5,6 +5,8 @@ require 'models/developer' require 'models/project' require 'models/comment' require 'models/category' +require 'models/person' +require 'models/reference' class RelationScopingTest < ActiveRecord::TestCase fixtures :authors, :developers, :projects, :comments, :posts, :developers_projects @@ -218,7 +220,7 @@ class NestedRelationScopingTest < ActiveRecord::TestCase end class HasManyScopingTest< ActiveRecord::TestCase - fixtures :comments, :posts + fixtures :comments, :posts, :people, :references def setup @welcome = Post.find(1) @@ -250,6 +252,23 @@ class HasManyScopingTest< ActiveRecord::TestCase assert_equal 'a comment...', @welcome.comments.what_are_you end end + + def test_should_maintain_default_scope_on_associations + person = people(:michael) + magician = BadReference.find(1) + assert_equal [magician], people(:michael).bad_references + end + + def test_should_default_scope_on_associations_is_overriden_by_association_conditions + person = people(:michael) + assert_equal [], people(:michael).fixed_bad_references + end + + def test_should_maintain_default_scope_on_eager_loaded_associations + michael = Person.where(:id => people(:michael).id).includes(:bad_references).first + magician = BadReference.find(1) + assert_equal [magician], michael.bad_references + end end class HasAndBelongsToManyScopingTest< ActiveRecord::TestCase @@ -364,6 +383,12 @@ class DefaultScopingTest < ActiveRecord::TestCase assert_equal expected, received end + def test_named_scope_reorders_default + expected = Developer.find(:all, :order => 'name DESC').collect { |dev| dev.name } + received = DeveloperOrderedBySalary.reordered_by_name.find(:all).collect { |dev| dev.name } + assert_equal expected, received + end + def test_nested_exclusive_scope expected = Developer.find(:all, :limit => 100).collect { |dev| dev.salary } received = DeveloperOrderedBySalary.send(:with_exclusive_scope, :find => { :limit => 100 }) do @@ -393,4 +418,4 @@ class DefaultScopingTest < ActiveRecord::TestCase assert_equal nil, PoorDeveloperCalledJamis.create!(:salary => nil).salary assert_equal 50000, PoorDeveloperCalledJamis.create!(:name => 'David').salary end -end
\ No newline at end of file +end diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb index ffde8daa07..ac7b501bb7 100644 --- a/activerecord/test/cases/relations_test.rb +++ b/activerecord/test/cases/relations_test.rb @@ -1,5 +1,4 @@ require "cases/helper" -require 'models/tag' require 'models/tagging' require 'models/post' require 'models/topic' @@ -23,6 +22,11 @@ class RelationTest < ActiveRecord::TestCase assert_equal 5, Post.where(:id => post_authors).size end + def test_multivalue_where + posts = Post.where('author_id = ? AND id = ?', 1, 1) + assert_equal 1, posts.to_a.size + end + def test_scoped topics = Topic.scoped assert_kind_of ActiveRecord::Relation, topics @@ -188,11 +192,23 @@ class RelationTest < ActiveRecord::TestCase end end - def test_respond_to_private_arel_methods + def test_respond_to_delegates_to_relation relation = Topic.scoped + fake_arel = Struct.new(:responds) { + def respond_to? method, access = false + responds << [method, access] + end + }.new [] + + relation.extend(Module.new { attr_accessor :arel }) + relation.arel = fake_arel + + relation.respond_to?(:matching_attributes) + assert_equal [:matching_attributes, false], fake_arel.responds.first - assert ! relation.respond_to?(:matching_attributes) - assert relation.respond_to?(:matching_attributes, true) + fake_arel.responds = [] + relation.respond_to?(:matching_attributes, true) + assert_equal [:matching_attributes, true], fake_arel.responds.first end def test_respond_to_dynamic_finders diff --git a/activerecord/test/cases/schema_dumper_test.rb b/activerecord/test/cases/schema_dumper_test.rb index 1c43e3c5b5..66446b6b7e 100644 --- a/activerecord/test/cases/schema_dumper_test.rb +++ b/activerecord/test/cases/schema_dumper_test.rb @@ -93,7 +93,7 @@ class SchemaDumperTest < ActiveRecord::TestCase assert_match %r{c_int_4.*}, output assert_no_match %r{c_int_4.*:limit}, output - elsif current_adapter?(:MysqlAdapter) + elsif current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) assert_match %r{c_int_1.*:limit => 1}, output assert_match %r{c_int_2.*:limit => 2}, output assert_match %r{c_int_3.*:limit => 3}, output @@ -169,7 +169,7 @@ class SchemaDumperTest < ActiveRecord::TestCase assert_match %r(:primary_key => "movieid"), match[1], "non-standard primary key not preserved" end - if current_adapter?(:MysqlAdapter) + if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) def test_schema_dump_should_not_add_default_value_for_mysql_text_field output = standard_dump assert_match %r{t.text\s+"body",\s+:null => false$}, output diff --git a/activerecord/test/cases/serialization_test.rb b/activerecord/test/cases/serialization_test.rb index 8c385af97c..dab81530af 100644 --- a/activerecord/test/cases/serialization_test.rb +++ b/activerecord/test/cases/serialization_test.rb @@ -1,7 +1,13 @@ require "cases/helper" require 'models/contact' +require 'models/topic' +require 'models/reply' +require 'models/company' class SerializationTest < ActiveRecord::TestCase + + fixtures :topics, :companies, :accounts + FORMATS = [ :xml, :json ] def setup @@ -17,6 +23,134 @@ class SerializationTest < ActiveRecord::TestCase @contact = Contact.new(@contact_attributes) end + def test_to_xml + xml = REXML::Document.new(topics(:first).to_xml(:indent => 0)) + bonus_time_in_current_timezone = topics(:first).bonus_time.xmlschema + written_on_in_current_timezone = topics(:first).written_on.xmlschema + last_read_in_current_timezone = topics(:first).last_read.xmlschema + + assert_equal "topic", xml.root.name + assert_equal "The First Topic" , xml.elements["//title"].text + assert_equal "David" , xml.elements["//author-name"].text + assert_match "Have a nice day", xml.elements["//content"].text + + assert_equal "1", xml.elements["//id"].text + assert_equal "integer" , xml.elements["//id"].attributes['type'] + + assert_equal "1", xml.elements["//replies-count"].text + assert_equal "integer" , xml.elements["//replies-count"].attributes['type'] + + assert_equal written_on_in_current_timezone, xml.elements["//written-on"].text + assert_equal "datetime" , xml.elements["//written-on"].attributes['type'] + + assert_equal "david@loudthinking.com", xml.elements["//author-email-address"].text + + assert_equal nil, xml.elements["//parent-id"].text + assert_equal "integer", xml.elements["//parent-id"].attributes['type'] + assert_equal "true", xml.elements["//parent-id"].attributes['nil'] + + if current_adapter?(:SybaseAdapter) + assert_equal last_read_in_current_timezone, xml.elements["//last-read"].text + assert_equal "datetime" , xml.elements["//last-read"].attributes['type'] + else + # Oracle enhanced adapter allows to define Date attributes in model class (see topic.rb) + assert_equal "2004-04-15", xml.elements["//last-read"].text + assert_equal "date" , xml.elements["//last-read"].attributes['type'] + end + + # Oracle and DB2 don't have true boolean or time-only fields + unless current_adapter?(:OracleAdapter, :DB2Adapter) + assert_equal "false", xml.elements["//approved"].text + assert_equal "boolean" , xml.elements["//approved"].attributes['type'] + + assert_equal bonus_time_in_current_timezone, xml.elements["//bonus-time"].text + assert_equal "datetime" , xml.elements["//bonus-time"].attributes['type'] + end + end + + def test_to_xml_skipping_attributes + xml = topics(:first).to_xml(:indent => 0, :skip_instruct => true, :except => [:title, :replies_count]) + assert_equal "<topic>", xml.first(7) + assert !xml.include?(%(<title>The First Topic</title>)) + assert xml.include?(%(<author-name>David</author-name>)) + + xml = topics(:first).to_xml(:indent => 0, :skip_instruct => true, :except => [:title, :author_name, :replies_count]) + assert !xml.include?(%(<title>The First Topic</title>)) + assert !xml.include?(%(<author-name>David</author-name>)) + end + + def test_to_xml_including_has_many_association + xml = topics(:first).to_xml(:indent => 0, :skip_instruct => true, :include => :replies, :except => :replies_count) + assert_equal "<topic>", xml.first(7) + assert xml.include?(%(<replies type="array"><reply>)) + assert xml.include?(%(<title>The Second Topic of the day</title>)) + end + + def test_array_to_xml_including_has_many_association + xml = [ topics(:first), topics(:second) ].to_xml(:indent => 0, :skip_instruct => true, :include => :replies) + assert xml.include?(%(<replies type="array"><reply>)) + end + + def test_array_to_xml_including_methods + xml = [ topics(:first), topics(:second) ].to_xml(:indent => 0, :skip_instruct => true, :methods => [ :topic_id ]) + assert xml.include?(%(<topic-id type="integer">#{topics(:first).topic_id}</topic-id>)), xml + assert xml.include?(%(<topic-id type="integer">#{topics(:second).topic_id}</topic-id>)), xml + end + + def test_array_to_xml_including_has_one_association + xml = [ companies(:first_firm), companies(:rails_core) ].to_xml(:indent => 0, :skip_instruct => true, :include => :account) + assert xml.include?(companies(:first_firm).account.to_xml(:indent => 0, :skip_instruct => true)) + assert xml.include?(companies(:rails_core).account.to_xml(:indent => 0, :skip_instruct => true)) + end + + def test_array_to_xml_including_belongs_to_association + xml = [ companies(:first_client), companies(:second_client), companies(:another_client) ].to_xml(:indent => 0, :skip_instruct => true, :include => :firm) + assert xml.include?(companies(:first_client).to_xml(:indent => 0, :skip_instruct => true)) + assert xml.include?(companies(:second_client).firm.to_xml(:indent => 0, :skip_instruct => true)) + assert xml.include?(companies(:another_client).firm.to_xml(:indent => 0, :skip_instruct => true)) + end + + def test_to_xml_including_belongs_to_association + xml = companies(:first_client).to_xml(:indent => 0, :skip_instruct => true, :include => :firm) + assert !xml.include?("<firm>") + + xml = companies(:second_client).to_xml(:indent => 0, :skip_instruct => true, :include => :firm) + assert xml.include?("<firm>") + end + + def test_to_xml_including_multiple_associations + xml = companies(:first_firm).to_xml(:indent => 0, :skip_instruct => true, :include => [ :clients, :account ]) + assert_equal "<firm>", xml.first(6) + assert xml.include?(%(<account>)) + assert xml.include?(%(<clients type="array"><client>)) + end + + def test_to_xml_including_multiple_associations_with_options + xml = companies(:first_firm).to_xml( + :indent => 0, :skip_instruct => true, + :include => { :clients => { :only => :name } } + ) + + assert_equal "<firm>", xml.first(6) + assert xml.include?(%(<client><name>Summit</name></client>)) + assert xml.include?(%(<clients type="array"><client>)) + end + + def test_to_xml_including_methods + xml = Company.new.to_xml(:methods => :arbitrary_method, :skip_instruct => true) + assert_equal "<company>", xml.first(9) + assert xml.include?(%(<arbitrary-method>I am Jack's profound disappointment</arbitrary-method>)) + end + + def test_to_xml_with_block + value = "Rockin' the block" + xml = Company.new.to_xml(:skip_instruct => true) do |_xml| + _xml.tag! "arbitrary-element", value + end + assert_equal "<company>", xml.first(9) + assert xml.include?(%(<arbitrary-element>#{value}</arbitrary-element>)) + end + def test_serialize_should_be_reversible for format in FORMATS @serialized = Contact.new.send("to_#{format}") diff --git a/activerecord/test/cases/session_store/session_test.rb b/activerecord/test/cases/session_store/session_test.rb new file mode 100644 index 0000000000..6f1c170a0c --- /dev/null +++ b/activerecord/test/cases/session_store/session_test.rb @@ -0,0 +1,68 @@ +require 'cases/helper' +require 'action_dispatch' +require 'active_record/session_store' + +module ActiveRecord + class SessionStore + class SessionTest < ActiveRecord::TestCase + self.use_transactional_fixtures = false + + def setup + super + Session.drop_table! if Session.table_exists? + end + + def test_data_column_name + # default column name is 'data' + assert_equal 'data', Session.data_column_name + end + + def test_table_name + assert_equal 'sessions', Session.table_name + end + + def test_create_table! + assert !Session.table_exists? + Session.create_table! + assert Session.table_exists? + Session.drop_table! + assert !Session.table_exists? + end + + def test_find_by_sess_id_compat + klass = Class.new(Session) do + def self.session_id_column + 'sessid' + end + end + klass.create_table! + + assert klass.columns_hash['sessid'], 'sessid column exists' + session = klass.new(:data => 'hello') + session.sessid = "100" + session.save! + + found = klass.find_by_session_id("100") + assert_equal session, found + assert_equal session.sessid, found.session_id + ensure + klass.drop_table! + end + + def test_find_by_session_id + Session.create_table! + session_id = "10" + s = Session.create!(:data => 'world', :session_id => session_id) + t = Session.find_by_session_id(session_id) + assert_equal s, t + assert_equal s.data, t.data + Session.drop_table! + end + + def test_loaded? + s = Session.new + assert !s.loaded?, 'session is not loaded' + end + end + end +end diff --git a/activerecord/test/cases/session_store/sql_bypass.rb b/activerecord/test/cases/session_store/sql_bypass.rb new file mode 100644 index 0000000000..f0ba166465 --- /dev/null +++ b/activerecord/test/cases/session_store/sql_bypass.rb @@ -0,0 +1,56 @@ +require 'cases/helper' +require 'action_dispatch' +require 'active_record/session_store' + +module ActiveRecord + class SessionStore + class SqlBypassTest < ActiveRecord::TestCase + def setup + super + Session.drop_table! if Session.table_exists? + end + + def test_create_table + assert !Session.table_exists? + SqlBypass.create_table! + assert Session.table_exists? + SqlBypass.drop_table! + assert !Session.table_exists? + end + + def test_new_record? + s = SqlBypass.new :data => 'foo', :session_id => 10 + assert s.new_record?, 'this is a new record!' + end + + def test_not_loaded? + s = SqlBypass.new({}) + assert !s.loaded?, 'it is not loaded' + end + + def test_loaded? + s = SqlBypass.new :data => 'hello' + assert s.loaded?, 'it is loaded' + end + + def test_save + SqlBypass.create_table! unless Session.table_exists? + session_id = 20 + s = SqlBypass.new :data => 'hello', :session_id => session_id + s.save + t = SqlBypass.find_by_session_id session_id + assert_equal s.session_id, t.session_id + assert_equal s.data, t.data + end + + def test_destroy + SqlBypass.create_table! unless Session.table_exists? + session_id = 20 + s = SqlBypass.new :data => 'hello', :session_id => session_id + s.save + s.destroy + assert_nil SqlBypass.find_by_session_id session_id + end + end + end +end diff --git a/activerecord/test/cases/timestamp_test.rb b/activerecord/test/cases/timestamp_test.rb index 549c4af6b1..401439994d 100644 --- a/activerecord/test/cases/timestamp_test.rb +++ b/activerecord/test/cases/timestamp_test.rb @@ -2,9 +2,10 @@ require 'cases/helper' require 'models/developer' require 'models/owner' require 'models/pet' +require 'models/toy' class TimestampTest < ActiveRecord::TestCase - fixtures :developers, :owners, :pets + fixtures :developers, :owners, :pets, :toys def setup @developer = Developer.first @@ -25,16 +26,26 @@ class TimestampTest < ActiveRecord::TestCase end def test_touching_a_record_updates_its_timestamp + previous_salary = @developer.salary + @developer.salary = previous_salary + 10000 @developer.touch assert_not_equal @previously_updated_at, @developer.updated_at + assert_equal previous_salary + 10000, @developer.salary + assert @developer.salary_changed?, 'developer salary should have changed' + assert @developer.changed?, 'developer should be marked as changed' + @developer.reload + assert_equal previous_salary, @developer.salary end def test_touching_a_different_attribute previously_created_at = @developer.created_at @developer.touch(:created_at) + assert !@developer.created_at_changed? , 'created_at should not be changed' + assert !@developer.changed?, 'record should not be changed' assert_not_equal previously_created_at, @developer.created_at + assert_not_equal @previously_updated_at, @developer.updated_at end def test_saving_a_record_with_a_belongs_to_that_specifies_touching_the_parent_should_update_the_parent_updated_at @@ -72,4 +83,21 @@ class TimestampTest < ActiveRecord::TestCase ensure Pet.belongs_to :owner, :touch => true end + + def test_touching_a_record_touches_parent_record_and_grandparent_record + Toy.belongs_to :pet, :touch => true + Pet.belongs_to :owner, :touch => true + + toy = Toy.first + pet = toy.pet + owner = pet.owner + + owner.update_attribute(:updated_at, (time = 3.days.ago)) + toy.touch + owner.reload + + assert_not_equal time, owner.updated_at + ensure + Toy.belongs_to :pet + end end diff --git a/activerecord/test/cases/transaction_callbacks_test.rb b/activerecord/test/cases/transaction_callbacks_test.rb index df123c9de8..d72c4bf7c4 100644 --- a/activerecord/test/cases/transaction_callbacks_test.rb +++ b/activerecord/test/cases/transaction_callbacks_test.rb @@ -1,6 +1,5 @@ require "cases/helper" require 'models/topic' -require 'models/reply' class TransactionCallbacksTest < ActiveRecord::TestCase self.use_transactional_fixtures = false @@ -246,3 +245,44 @@ class TransactionCallbacksTest < ActiveRecord::TestCase assert_equal [:after_rollback], @second.history end end + + +class TransactionObserverCallbacksTest < ActiveRecord::TestCase + self.use_transactional_fixtures = false + fixtures :topics + + class TopicWithObserverAttached < ActiveRecord::Base + set_table_name :topics + def history + @history ||= [] + end + end + + class TopicWithObserverAttachedObserver < ActiveRecord::Observer + def after_commit(record) + record.history.push :"TopicWithObserverAttachedObserver#after_commit" + end + + def after_rollback(record) + record.history.push :"TopicWithObserverAttachedObserver#after_rollback" + end + end + + def test_after_commit_called + topic = TopicWithObserverAttached.new + topic.save! + + assert topic.history, [:"TopicWithObserverAttachedObserver#after_commit"] + end + + def test_after_rollback_called + topic = TopicWithObserverAttached.new + + Topic.transaction do + topic.save! + raise ActiveRecord::Rollback + end + + assert topic.history, [:"TopicWithObserverObserver#after_rollback"] + end +end diff --git a/activerecord/test/cases/transactions_test.rb b/activerecord/test/cases/transactions_test.rb index 958a4e4f94..9255190613 100644 --- a/activerecord/test/cases/transactions_test.rb +++ b/activerecord/test/cases/transactions_test.rb @@ -3,10 +3,12 @@ require 'models/topic' require 'models/reply' require 'models/developer' require 'models/book' +require 'models/author' +require 'models/post' class TransactionTest < ActiveRecord::TestCase self.use_transactional_fixtures = false - fixtures :topics, :developers + fixtures :topics, :developers, :authors, :posts def setup @first, @second = Topic.find(1, 2).sort_by { |t| t.id } @@ -103,6 +105,25 @@ class TransactionTest < ActiveRecord::TestCase end end + def test_update_attributes_should_rollback_on_failure + author = Author.find(1) + posts_count = author.posts.size + assert posts_count > 0 + status = author.update_attributes(:name => nil, :post_ids => []) + assert !status + assert_equal posts_count, author.posts(true).size + end + + def test_update_attributes_should_rollback_on_failure! + author = Author.find(1) + posts_count = author.posts.size + assert posts_count > 0 + assert_raise(ActiveRecord::RecordInvalid) do + author.update_attributes!(:name => nil, :post_ids => []) + end + assert_equal posts_count, author.posts(true).size + end + def test_cancellation_from_before_destroy_rollbacks_in_destroy add_cancelling_before_destroy_with_db_side_effect_to_topic begin diff --git a/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb b/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb index 454e42ed37..628029f8df 100644 --- a/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb +++ b/activerecord/test/cases/validations/i18n_generate_message_validation_test.rb @@ -1,6 +1,5 @@ require "cases/helper" require 'models/topic' -require 'models/reply' class I18nGenerateMessageValidationTest < ActiveRecord::TestCase def setup diff --git a/activerecord/test/cases/validations_test.rb b/activerecord/test/cases/validations_test.rb index 3f1b0e333f..fd771ef4be 100644 --- a/activerecord/test/cases/validations_test.rb +++ b/activerecord/test/cases/validations_test.rb @@ -4,11 +4,6 @@ require 'models/topic' require 'models/reply' require 'models/person' require 'models/developer' -require 'models/warehouse_thing' -require 'models/guid' -require 'models/owner' -require 'models/pet' -require 'models/event' require 'models/parrot' require 'models/company' diff --git a/activerecord/test/cases/xml_serialization_test.rb b/activerecord/test/cases/xml_serialization_test.rb index 751946ffc5..b11b340e94 100644 --- a/activerecord/test/cases/xml_serialization_test.rb +++ b/activerecord/test/cases/xml_serialization_test.rb @@ -2,7 +2,6 @@ require "cases/helper" require 'models/contact' require 'models/post' require 'models/author' -require 'models/tagging' require 'models/comment' require 'models/company_in_module' diff --git a/activerecord/test/connections/native_mysql2/connection.rb b/activerecord/test/connections/native_mysql2/connection.rb new file mode 100644 index 0000000000..c6f198b1ac --- /dev/null +++ b/activerecord/test/connections/native_mysql2/connection.rb @@ -0,0 +1,25 @@ +print "Using native Mysql2\n" +require_dependency 'models/course' +require 'logger' + +ActiveRecord::Base.logger = Logger.new("debug.log") + +# GRANT ALL PRIVILEGES ON activerecord_unittest.* to 'rails'@'localhost'; +# GRANT ALL PRIVILEGES ON activerecord_unittest2.* to 'rails'@'localhost'; + +ActiveRecord::Base.configurations = { + 'arunit' => { + :adapter => 'mysql2', + :username => 'rails', + :encoding => 'utf8', + :database => 'activerecord_unittest', + }, + 'arunit2' => { + :adapter => 'mysql2', + :username => 'rails', + :database => 'activerecord_unittest2' + } +} + +ActiveRecord::Base.establish_connection 'arunit' +Course.establish_connection 'arunit2' diff --git a/activerecord/test/fixtures/dashboards.yml b/activerecord/test/fixtures/dashboards.yml new file mode 100644 index 0000000000..e75bf46e6c --- /dev/null +++ b/activerecord/test/fixtures/dashboards.yml @@ -0,0 +1,3 @@ +cool_first: + dashboard_id: d1 + name: my_dashboard
\ No newline at end of file diff --git a/activerecord/test/fixtures/minivans.yml b/activerecord/test/fixtures/minivans.yml new file mode 100644 index 0000000000..f1224a4c1a --- /dev/null +++ b/activerecord/test/fixtures/minivans.yml @@ -0,0 +1,5 @@ +cool_first: + minivan_id: m1 + name: my_minivan + speedometer_id: s1 + color: blue diff --git a/activerecord/test/fixtures/speedometers.yml b/activerecord/test/fixtures/speedometers.yml new file mode 100644 index 0000000000..6a471aba0a --- /dev/null +++ b/activerecord/test/fixtures/speedometers.yml @@ -0,0 +1,4 @@ +cool_first: + speedometer_id: s1 + name: my_speedometer + dashboard_id: d1
\ No newline at end of file diff --git a/activerecord/test/fixtures/subscriptions.yml b/activerecord/test/fixtures/subscriptions.yml index 371bfd3422..5a93c12193 100644 --- a/activerecord/test/fixtures/subscriptions.yml +++ b/activerecord/test/fixtures/subscriptions.yml @@ -9,4 +9,4 @@ webster_rfr: alterself_awdr: id: 3 subscriber_id: alterself - book_id: 3
\ No newline at end of file + book_id: 1 diff --git a/activerecord/test/models/author.rb b/activerecord/test/models/author.rb index 655b45bf57..727978431c 100644 --- a/activerecord/test/models/author.rb +++ b/activerecord/test/models/author.rb @@ -108,6 +108,8 @@ class Author < ActiveRecord::Base %w(twitter github) end + validates_presence_of :name + private def log_before_adding(object) @post_log << "before_adding#{object.id || '<new>'}" diff --git a/activerecord/test/models/book.rb b/activerecord/test/models/book.rb index cfd07abddc..1e030b4f59 100644 --- a/activerecord/test/models/book.rb +++ b/activerecord/test/models/book.rb @@ -1,4 +1,7 @@ class Book < ActiveRecord::Base has_many :citations, :foreign_key => 'book1_id' has_many :references, :through => :citations, :source => :reference_of, :uniq => true + + has_many :subscriptions + has_many :subscribers, :through => :subscriptions end diff --git a/activerecord/test/models/company_in_module.rb b/activerecord/test/models/company_in_module.rb index 83d71b6909..2c8c30efb4 100644 --- a/activerecord/test/models/company_in_module.rb +++ b/activerecord/test/models/company_in_module.rb @@ -1,4 +1,4 @@ -require 'active_support/core_ext/object/misc' +require 'active_support/core_ext/object/with_options' module MyApplication module Business diff --git a/activerecord/test/models/country.rb b/activerecord/test/models/country.rb new file mode 100644 index 0000000000..15e3a1de0b --- /dev/null +++ b/activerecord/test/models/country.rb @@ -0,0 +1,7 @@ +class Country < ActiveRecord::Base + + set_primary_key :country_id + + has_and_belongs_to_many :treaties + +end diff --git a/activerecord/test/models/dashboard.rb b/activerecord/test/models/dashboard.rb new file mode 100644 index 0000000000..a8a25834b1 --- /dev/null +++ b/activerecord/test/models/dashboard.rb @@ -0,0 +1,3 @@ +class Dashboard < ActiveRecord::Base + set_primary_key :dashboard_id +end
\ No newline at end of file diff --git a/activerecord/test/models/developer.rb b/activerecord/test/models/developer.rb index de68fd7f24..c61c583c1d 100644 --- a/activerecord/test/models/developer.rb +++ b/activerecord/test/models/developer.rb @@ -88,6 +88,7 @@ class DeveloperOrderedBySalary < ActiveRecord::Base self.table_name = 'developers' default_scope :order => 'salary DESC' scope :by_name, :order => 'name DESC' + scope :reordered_by_name, reorder('name DESC') def self.all_ordered_by_name with_scope(:find => { :order => 'name DESC' }) do diff --git a/activerecord/test/models/electron.rb b/activerecord/test/models/electron.rb new file mode 100644 index 0000000000..35af9f679b --- /dev/null +++ b/activerecord/test/models/electron.rb @@ -0,0 +1,3 @@ +class Electron < ActiveRecord::Base + belongs_to :molecule +end diff --git a/activerecord/test/models/liquid.rb b/activerecord/test/models/liquid.rb new file mode 100644 index 0000000000..b96c054f6c --- /dev/null +++ b/activerecord/test/models/liquid.rb @@ -0,0 +1,5 @@ +class Liquid < ActiveRecord::Base + set_table_name :liquid + has_many :molecules, :uniq => true +end + diff --git a/activerecord/test/models/minivan.rb b/activerecord/test/models/minivan.rb new file mode 100644 index 0000000000..602438d16f --- /dev/null +++ b/activerecord/test/models/minivan.rb @@ -0,0 +1,9 @@ +class Minivan < ActiveRecord::Base + set_primary_key :minivan_id + + belongs_to :speedometer + has_one :dashboard, :through => :speedometer + + attr_readonly :color + +end diff --git a/activerecord/test/models/molecule.rb b/activerecord/test/models/molecule.rb new file mode 100644 index 0000000000..69325b8d29 --- /dev/null +++ b/activerecord/test/models/molecule.rb @@ -0,0 +1,4 @@ +class Molecule < ActiveRecord::Base + belongs_to :liquid + has_many :electrons +end diff --git a/activerecord/test/models/person.rb b/activerecord/test/models/person.rb index 2a73b1ee01..951ec93c53 100644 --- a/activerecord/test/models/person.rb +++ b/activerecord/test/models/person.rb @@ -4,6 +4,8 @@ class Person < ActiveRecord::Base has_many :posts_with_no_comments, :through => :readers, :source => :post, :include => :comments, :conditions => 'comments.id is null' has_many :references + has_many :bad_references + has_many :fixed_bad_references, :conditions => { :favourite => true }, :class_name => 'BadReference' has_many :jobs, :through => :references has_one :favourite_reference, :class_name => 'Reference', :conditions => ['favourite=?', true] has_many :posts_with_comments_sorted_by_comment_id, :through => :readers, :source => :post, :include => :comments, :order => 'comments.id' diff --git a/activerecord/test/models/reference.rb b/activerecord/test/models/reference.rb index 479e8b72c6..4a17c936f5 100644 --- a/activerecord/test/models/reference.rb +++ b/activerecord/test/models/reference.rb @@ -2,3 +2,8 @@ class Reference < ActiveRecord::Base belongs_to :person belongs_to :job end + +class BadReference < ActiveRecord::Base + self.table_name ='references' + default_scope :conditions => {:favourite => false } +end diff --git a/activerecord/test/models/speedometer.rb b/activerecord/test/models/speedometer.rb new file mode 100644 index 0000000000..94743eff8e --- /dev/null +++ b/activerecord/test/models/speedometer.rb @@ -0,0 +1,4 @@ +class Speedometer < ActiveRecord::Base + set_primary_key :speedometer_id + belongs_to :dashboard +end
\ No newline at end of file diff --git a/activerecord/test/models/treaty.rb b/activerecord/test/models/treaty.rb new file mode 100644 index 0000000000..b46537f0d2 --- /dev/null +++ b/activerecord/test/models/treaty.rb @@ -0,0 +1,7 @@ +class Treaty < ActiveRecord::Base + + set_primary_key :treaty_id + + has_and_belongs_to_many :countries + +end diff --git a/activerecord/test/schema/mysql2_specific_schema.rb b/activerecord/test/schema/mysql2_specific_schema.rb new file mode 100644 index 0000000000..c78d99f4af --- /dev/null +++ b/activerecord/test/schema/mysql2_specific_schema.rb @@ -0,0 +1,24 @@ +ActiveRecord::Schema.define do + create_table :binary_fields, :force => true, :options => 'CHARACTER SET latin1' do |t| + t.binary :tiny_blob, :limit => 255 + t.binary :normal_blob, :limit => 65535 + t.binary :medium_blob, :limit => 16777215 + t.binary :long_blob, :limit => 2147483647 + t.text :tiny_text, :limit => 255 + t.text :normal_text, :limit => 65535 + t.text :medium_text, :limit => 16777215 + t.text :long_text, :limit => 2147483647 + end + + ActiveRecord::Base.connection.execute <<-SQL +DROP PROCEDURE IF EXISTS ten; +SQL + + ActiveRecord::Base.connection.execute <<-SQL +CREATE PROCEDURE ten() SQL SECURITY INVOKER +BEGIN + select 10; +END +SQL + +end diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb index bea351b95a..fc3810f82b 100644 --- a/activerecord/test/schema/schema.rb +++ b/activerecord/test/schema/schema.rb @@ -164,6 +164,11 @@ ActiveRecord::Schema.define do t.string :address_country t.string :gps_location end + + create_table :dashboards, :force => true, :id => false do |t| + t.string :dashboard_id + t.string :name + end create_table :developers, :force => true do |t| t.string :name @@ -290,6 +295,13 @@ ActiveRecord::Schema.define do t.boolean :favourite t.integer :lock_version, :default => 0 end + + create_table :minivans, :force => true, :id => false do |t| + t.string :minivan_id + t.string :name + t.string :speedometer_id + t.string :color + end create_table :minimalistics, :force => true do |t| end @@ -386,6 +398,7 @@ ActiveRecord::Schema.define do create_table :pets, :primary_key => :pet_id ,:force => true do |t| t.string :name t.integer :owner_id, :integer + t.timestamps end create_table :pirates, :force => true do |t| @@ -452,6 +465,12 @@ ActiveRecord::Schema.define do t.string :name t.integer :ship_id end + + create_table :speedometers, :force => true, :id => false do |t| + t.string :speedometer_id + t.string :name + t.string :dashboard_id + end create_table :sponsors, :force => true do |t| t.integer :club_id @@ -512,6 +531,7 @@ ActiveRecord::Schema.define do create_table :toys, :primary_key => :toy_id ,:force => true do |t| t.string :name t.integer :pet_id, :integer + t.timestamps end create_table :traffic_lights, :force => true do |t| @@ -583,6 +603,34 @@ ActiveRecord::Schema.define do t.string :title end + create_table :countries, :force => true, :id => false, :primary_key => 'country_id' do |t| + t.string :country_id + t.string :name + end + create_table :treaties, :force => true, :id => false, :primary_key => 'treaty_id' do |t| + t.string :treaty_id + t.string :name + end + create_table :countries_treaties, :force => true, :id => false do |t| + t.string :country_id, :null => false + t.string :treaty_id, :null => false + t.datetime :created_at + t.datetime :updated_at + end + + create_table :liquid, :force => true do |t| + t.string :name + end + create_table :molecules, :force => true do |t| + t.integer :liquid_id + t.string :name + end + create_table :electrons, :force => true do |t| + t.integer :molecule_id + t.string :name + end + + except 'SQLite' do # fk_test_has_fk should be before fk_test_has_pk create_table :fk_test_has_fk, :force => true do |t| |