diff options
Diffstat (limited to 'activerecord/lib/active_record')
32 files changed, 390 insertions, 155 deletions
diff --git a/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb b/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb index 81d4abfa68..b710cf6bdb 100644 --- a/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb +++ b/activerecord/lib/active_record/associations/belongs_to_polymorphic_association.rb @@ -14,6 +14,11 @@ module ActiveRecord owner[reflection.foreign_type] = record.class.base_class.name end + def remove_keys + super + owner[reflection.foreign_type] = nil + end + def different_target?(record) super || record.class != klass end diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb index 62cc1e3a8d..5ccaa55a32 100644 --- a/activerecord/lib/active_record/associations/builder/belongs_to.rb +++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb @@ -112,7 +112,7 @@ module ActiveRecord::Associations::Builder end record = o.send name - unless record.nil? || record.new_record? + if record && record.persisted? if touch != true record.touch touch else diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index e7bcc59354..e9ed5d9979 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -4,7 +4,7 @@ module ActiveRecord # # CollectionAssociation is an abstract class that provides common stuff to # ease the implementation of association proxies that represent - # collections. See the class hierarchy in AssociationProxy. + # collections. See the class hierarchy in Association. # # CollectionAssociation: # HasManyAssociation => has_many diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb index 217fc52dd5..73761520f7 100644 --- a/activerecord/lib/active_record/attribute_methods.rb +++ b/activerecord/lib/active_record/attribute_methods.rb @@ -330,7 +330,7 @@ module ActiveRecord end # Returns the value of the attribute identified by <tt>attr_name</tt> after it has been typecast (for example, - # "2004-12-12" in a data column is cast to a date object, like Date.new(2004, 12, 12)). It raises + # "2004-12-12" in a date column is cast to a date object, like Date.new(2004, 12, 12)). It raises # <tt>ActiveModel::MissingAttributeError</tt> if the identified attribute is missing. # # Alias for the <tt>read_attribute</tt> method. diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb index c152a246b5..d01e9aea59 100644 --- a/activerecord/lib/active_record/attribute_methods/read.rb +++ b/activerecord/lib/active_record/attribute_methods/read.rb @@ -102,7 +102,7 @@ module ActiveRecord end # Returns the value of the attribute identified by <tt>attr_name</tt> after - # it has been typecast (for example, "2004-12-12" in a data column is cast + # it has been typecast (for example, "2004-12-12" in a date column is cast # to a date object, like Date.new(2004, 12, 12)). def read_attribute(attr_name) # If it's cached, just return it 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 cfdcae7f63..cebe741daa 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb @@ -86,7 +86,7 @@ module ActiveRecord end end - # Return the number of threads currently waiting on this + # Returns the number of threads currently waiting on this # queue. def num_waiting synchronize do diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb index 1a323b6a9c..e196df079b 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -346,7 +346,7 @@ module ActiveRecord protected - # Return a subquery for the given key using the join information. + # Returns a subquery for the given key using the join information. def subquery_for(key, select) subselect = select.clone subselect.projections = [key] diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb index 552a22d28a..75501852ed 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb @@ -43,7 +43,9 @@ module ActiveRecord # SQLite does not understand dates, so this method will convert a Date # to a String. def type_cast(value, column) - return value.id if value.respond_to?(:quoted_id) + if value.respond_to?(:quoted_id) && value.respond_to?(:id) + return value.id + end case value when String, ActiveSupport::Multibyte::Chars diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb index 7c330a2f25..a51691bfa8 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_creation.rb @@ -34,9 +34,10 @@ module ActiveRecord def visit_TableDefinition(o) create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE " - create_sql << "#{quote_table_name(o.name)} (" - create_sql << o.columns.map { |c| accept c }.join(', ') - create_sql << ") #{o.options}" + create_sql << "#{quote_table_name(o.name)} " + create_sql << "(#{o.columns.map { |c| accept c }.join(', ')}) " unless o.as + create_sql << "#{o.options}" + create_sql << " AS #{@conn.to_sql(o.as)}" if o.as create_sql 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 063b19871a..c39bf15e83 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -49,14 +49,15 @@ module ActiveRecord # An array of ColumnDefinition objects, representing the column changes # that have been defined. attr_accessor :indexes - attr_reader :name, :temporary, :options + attr_reader :name, :temporary, :options, :as - def initialize(types, name, temporary, options) + def initialize(types, name, temporary, options, as = nil) @columns_hash = {} @indexes = {} @native = types @temporary = temporary @options = options + @as = as @name = name end 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 51a6929dab..00383bad3b 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -131,6 +131,9 @@ module ActiveRecord # [<tt>:force</tt>] # Set to true to drop the table before creating it. # Defaults to false. + # [<tt>:as</tt>] + # SQL to use to generate the table. When this option is used, the block is + # ignored, as are the <tt>:id</tt> and <tt>:primary_key</tt> options. # # ====== Add a backend specific option to the generated SQL (MySQL) # @@ -169,19 +172,31 @@ module ActiveRecord # supplier_id int # ) # + # ====== Create a temporary table based on a query + # + # create_table(:long_query, temporary: true, + # as: "SELECT * FROM orders INNER JOIN line_items ON order_id=orders.id") + # + # generates: + # + # CREATE TEMPORARY TABLE long_query AS + # SELECT * FROM orders INNER JOIN line_items ON order_id=orders.id + # # See also TableDefinition#column for details on how to create columns. def create_table(table_name, options = {}) - td = create_table_definition table_name, options[:temporary], options[:options] + td = create_table_definition table_name, options[:temporary], options[:options], options[:as] - unless options[:id] == false - pk = options.fetch(:primary_key) { - Base.get_primary_key table_name.to_s.singularize - } + if !options[:as] + unless options[:id] == false + pk = options.fetch(:primary_key) { + Base.get_primary_key table_name.to_s.singularize + } - td.primary_key pk, options.fetch(:id, :primary_key), options - end + td.primary_key pk, options.fetch(:id, :primary_key), options + end - yield td if block_given? + yield td if block_given? + end if options[:force] && table_exists?(table_name) drop_table(table_name, options) @@ -826,8 +841,8 @@ module ActiveRecord end private - def create_table_definition(name, temporary, options) - TableDefinition.new native_database_types, name, temporary, options + def create_table_definition(name, temporary, options, as = nil) + TableDefinition.new native_database_types, name, temporary, options, as end def create_alter_table(name) diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index 1b9f865666..7768c24967 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -303,12 +303,6 @@ module ActiveRecord else log(sql, name) { @connection.query(sql) } end - rescue ActiveRecord::StatementInvalid => exception - if exception.message.split(":").first =~ /Packets out of order/ - raise ActiveRecord::StatementInvalid.new("'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.", exception.original_exception) - else - raise - end end # MysqlAdapter has to free a result after using it, so we use this method to write @@ -492,6 +486,10 @@ module ActiveRecord rename_table_indexes(table_name, new_name) end + def drop_table(table_name, options = {}) + execute "DROP#{' TEMPORARY' if options[:temporary]} TABLE #{quote_table_name(table_name)}" + end + def rename_index(table_name, old_name, new_name) if (version[0] == 5 && version[1] >= 7) || version[0] >= 6 execute "ALTER TABLE #{quote_table_name(table_name)} RENAME INDEX #{quote_table_name(old_name)} TO #{quote_table_name(new_name)}" diff --git a/activerecord/lib/active_record/connection_adapters/connection_specification.rb b/activerecord/lib/active_record/connection_adapters/connection_specification.rb index 64fc9e95d8..049768effc 100644 --- a/activerecord/lib/active_record/connection_adapters/connection_specification.rb +++ b/activerecord/lib/active_record/connection_adapters/connection_specification.rb @@ -13,41 +13,137 @@ module ActiveRecord @config = original.config.dup end - ## - # Builds a ConnectionSpecification from user input - class Resolver # :nodoc: - attr_reader :config, :klass, :configurations - - def initialize(config, configurations) - @config = config - @configurations = configurations + # Expands a connection string into a hash. + class ConnectionUrlResolver # :nodoc: + + # == Example + # + # url = "postgresql://foo:bar@localhost:9000/foo_test?pool=5&timeout=3000" + # ConnectionUrlResolver.new(url).to_hash + # # => { + # "adapter" => "postgresql", + # "host" => "localhost", + # "port" => 9000, + # "database" => "foo_test", + # "username" => "foo", + # "password" => "bar", + # "pool" => "5", + # "timeout" => "3000" + # } + def initialize(url) + raise "Database URL cannot be empty" if url.blank? + @uri = URI.parse(url) + @adapter = @uri.scheme + @adapter = "postgresql" if @adapter == "postgres" + @query = @uri.query || '' end - def spec - case config - when nil - raise AdapterNotSpecified unless defined?(Rails.env) - resolve_string_connection Rails.env - when Symbol, String - resolve_string_connection config.to_s - when Hash - resolve_hash_connection config - end + # Converts the given URL to a full connection hash. + def to_hash + config = raw_config.reject { |_,value| value.blank? } + config.map { |key,value| config[key] = uri_parser.unescape(value) if value.is_a? String } + config end private - def resolve_string_connection(spec) # :nodoc: - hash = configurations.fetch(spec) do |k| - connection_url_to_hash(k) + + def uri + @uri + end + + def uri_parser + @uri_parser ||= URI::Parser.new + end + + # Converts the query parameters of the URI into a hash. + # + # "localhost?pool=5&reap_frequency=2" + # # => { "pool" => "5", "reap_frequency" => "2" } + # + # returns empty hash if no query present. + # + # "localhost" + # # => {} + def query_hash + Hash[@query.split("&").map { |pair| pair.split("=") }] + end + + def raw_config + query_hash.merge({ + "adapter" => @adapter, + "username" => uri.user, + "password" => uri.password, + "port" => uri.port, + "database" => database, + "host" => uri.host }) + end + + # Returns name of the database. + # Sqlite3 expects this to be a full path or `:memory`. + def database + if @adapter == 'sqlite3' + if '/:memory:' == uri.path + ':memory:' + else + uri.path + end + else + uri.path.sub(%r{^/},"") end + end + end - raise(AdapterNotSpecified, "#{spec} database is not configured") unless hash + ## + # Builds a ConnectionSpecification from user input. + class Resolver # :nodoc: + attr_reader :configurations - resolve_hash_connection hash + # Accepts a hash two layers deep, keys on the first layer represent + # environments such as "production". Keys must be strings. + def initialize(configurations) + @configurations = configurations + end + + # Returns a hash with database connection information. + # + # == Examples + # + # Full hash Configuration. + # + # configurations = { "production" => { "host" => "localhost", "database" => "foo", "adapter" => "sqlite3" } } + # Resolver.new(configurations).resolve(:production) + # # => {host: "localhost", database: "foo", adapter: "sqlite3"} + # + # Initialized with URL configuration strings. + # + # configurations = { "production" => "postgresql://localhost/foo" } + # Resolver.new(configurations).resolve(:production) + # # => { "host" => "localhost", "database" => "foo", "adapter" => "postgresql" } + # + def resolve(config) + if config + resolve_connection config + elsif defined?(Rails.env) + resolve_env_connection Rails.env.to_sym + else + raise AdapterNotSpecified + end end - def resolve_hash_connection(spec) # :nodoc: - spec = spec.symbolize_keys + # Returns an instance of ConnectionSpecification for a given adapter. + # Accepts a hash one layer deep that contains all connection information. + # + # == Example + # + # config = { "production" => { "host" => "localhost", "database" => "foo", "adapter" => "sqlite3" } } + # spec = Resolver.new(config).spec(:production) + # spec.adapter_method + # # => "sqlite3" + # spec.config + # # => { "host" => "localhost", "database" => "foo", "adapter" => "sqlite3" } + # + def spec(config) + spec = resolve(config).symbolize_keys raise(AdapterNotSpecified, "database configuration does not specify adapter") unless spec.key?(:adapter) @@ -61,35 +157,87 @@ module ActiveRecord end adapter_method = "#{spec[:adapter]}_connection" - ConnectionSpecification.new(spec, adapter_method) end - def connection_url_to_hash(url) # :nodoc: - config = URI.parse url - adapter = config.scheme - adapter = "postgresql" if adapter == "postgres" - spec = { :adapter => adapter, - :username => config.user, - :password => config.password, - :port => config.port, - :database => config.path.sub(%r{^/},""), - :host => config.host } - - spec.reject!{ |_,value| value.blank? } - - uri_parser = URI::Parser.new - - spec.map { |key,value| spec[key] = uri_parser.unescape(value) if value.is_a?(String) } + private - if config.query - options = Hash[config.query.split("&").map{ |pair| pair.split("=") }].symbolize_keys + # Returns fully resolved connection, accepts hash, string or symbol. + # Always returns a hash. + # + # == Examples + # + # Symbol representing current environment. + # + # Resolver.new("production" => {}).resolve_connection(:production) + # # => {} + # + # One layer deep hash of connection values. + # + # Resolver.new({}).resolve_connection("adapter" => "sqlite3") + # # => { "adapter" => "sqlite3" } + # + # Connection URL. + # + # Resolver.new({}).resolve_connection("postgresql://localhost/foo") + # # => { "host" => "localhost", "database" => "foo", "adapter" => "postgresql" } + # + def resolve_connection(spec) + case spec + when Symbol, String + resolve_env_connection spec + when Hash + resolve_hash_connection spec + end + end - spec.merge!(options) + # Takes the environment such as `:production` or `:development`. + # This requires that the @configurations was initialized with a key that + # matches. + # + # + # Resolver.new("production" => {}).resolve_env_connection(:production) + # # => {} + # + # Takes a connection URL. + # + # Resolver.new({}).resolve_env_connection("postgresql://localhost/foo") + # # => { "host" => "localhost", "database" => "foo", "adapter" => "postgresql" } + # + def resolve_env_connection(spec) + # Rails has historically accepted a string to mean either + # an environment key or a URL spec, so we have deprecated + # this ambiguous behaviour and in the future this function + # can be removed in favor of resolve_string_connection and + # resolve_symbol_connection. + if config = configurations[spec.to_s] + if spec.is_a?(String) + ActiveSupport::Deprecation.warn "Passing a string to ActiveRecord::Base.establish_connection " \ + "for a configuration lookup is deprecated, please pass a symbol (#{spec.to_sym.inspect}) instead" + end + resolve_connection(config) + elsif spec.is_a?(String) + resolve_string_connection(spec) + else + raise(AdapterNotSpecified, "#{spec} database is not configured") end + end + # Accepts a hash. Expands the "url" key that contains a + # URL database connection to a full connection + # hash and merges with the rest of the hash. + # Connection details inside of the "url" key win any merge conflicts + def resolve_hash_connection(spec) + if url = spec.delete("url") + connection_hash = resolve_string_connection(url) + spec.merge!(connection_hash) + end spec end + + def resolve_string_connection(url) + ConnectionUrlResolver.new(url).to_hash + end end end end diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb index e790f731ea..6d8e994654 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -18,6 +18,12 @@ module ActiveRecord client = Mysql2::Client.new(config) options = [config[:host], config[:username], config[:password], config[:database], config[:port], config[:socket], 0] ConnectionAdapters::Mysql2Adapter.new(client, logger, options, config) + rescue Mysql2::Error => error + if error.message.include?("Unknown database") + raise ActiveRecord::NoDatabaseError.new(error.message) + else + raise error + 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 760f1435eb..7dbaa272a3 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -34,6 +34,12 @@ module ActiveRecord default_flags |= Mysql::CLIENT_FOUND_ROWS if Mysql.const_defined?(:CLIENT_FOUND_ROWS) options = [host, username, password, database, port, socket, default_flags] ConnectionAdapters::MysqlAdapter.new(mysql, logger, options, config) + rescue Mysql::Error => error + if error.message.include?("Unknown database") + raise ActiveRecord::NoDatabaseError.new(error.message) + else + raise error + end end end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb b/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb index bf34f2bdae..35ce881302 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb @@ -144,7 +144,7 @@ module ActiveRecord def quote_and_escape(value) case value - when "NULL" + when "NULL", Numeric value else "\"#{value.gsub(/"/,"\\\"")}\"" diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index d23a24589c..11a5eba464 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -46,7 +46,7 @@ module ActiveRecord # PostgreSQL-specific extensions to column definitions in a table. class PostgreSQLColumn < Column #:nodoc: attr_accessor :array - # Instantiates a new PostgreSQL column definition in a table. + def initialize(name, default, oid_type, sql_type = nil, null = true) @oid_type = oid_type default_value = self.class.extract_value_from_default(default) @@ -62,6 +62,14 @@ module ActiveRecord @default_function = default if has_default_function?(default_value, default) end + def number? + !array && super + end + + def text? + !array && super + end + # :stopdoc: class << self include ConnectionAdapters::PostgreSQLColumn::Cast @@ -865,6 +873,12 @@ module ActiveRecord PostgreSQLColumn.money_precision = (postgresql_version >= 80300) ? 19 : 10 configure_connection + rescue ::PG::Error => error + if error.message.include?("does not exist") + raise ActiveRecord::NoDatabaseError.new(error.message) + else + raise error + end end # Configures the encoding, verbosity, schema search path, and time zone of the connection. @@ -969,12 +983,12 @@ module ActiveRecord end def extract_table_ref_from_insert_sql(sql) - sql[/into\s+([^\(]*).*values\s*\(/i] + sql[/into\s+([^\(]*).*values\s*\(/im] $1.strip if $1 end - def create_table_definition(name, temporary, options) - TableDefinition.new native_database_types, name, temporary, options + def create_table_definition(name, temporary, options, as = nil) + TableDefinition.new native_database_types, name, temporary, options, as end def update_table_definition(table_name, base) diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index a02eda5603..92bb70ba53 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -31,6 +31,12 @@ module ActiveRecord db.busy_timeout(ConnectionAdapters::SQLite3Adapter.type_cast_config_to_integer(config[:timeout])) if config[:timeout] ConnectionAdapters::SQLite3Adapter.new(db, logger, config) + rescue Errno::ENOENT => error + if error.message.include?("No such file or directory") + raise ActiveRecord::NoDatabaseError.new(error.message) + else + raise error + end end end diff --git a/activerecord/lib/active_record/connection_handling.rb b/activerecord/lib/active_record/connection_handling.rb index a1943dfcb0..c4afadbd9b 100644 --- a/activerecord/lib/active_record/connection_handling.rb +++ b/activerecord/lib/active_record/connection_handling.rb @@ -32,11 +32,18 @@ module ActiveRecord # "postgres://myuser:mypass@localhost/somedatabase" # ) # + # In case <tt>ActiveRecord::Base.configurations</tt> is set (Rails + # automatically loads the contents of config/database.yml into it), + # a symbol can also be given as argument, representing a key in the + # configuration hash: + # + # ActiveRecord::Base.establish_connection(:production) + # # The exceptions AdapterNotSpecified, AdapterNotFound and ArgumentError # may be returned on an error. def establish_connection(spec = ENV["DATABASE_URL"]) - resolver = ConnectionAdapters::ConnectionSpecification::Resolver.new spec, configurations - spec = resolver.spec + resolver = ConnectionAdapters::ConnectionSpecification::Resolver.new configurations + spec = resolver.spec(spec) unless respond_to?(spec.adapter_method) raise AdapterNotFound, "database configuration specifies nonexistent #{spec.config[:adapter]} adapter" diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb index 837989aaa7..2f8439892b 100644 --- a/activerecord/lib/active_record/enum.rb +++ b/activerecord/lib/active_record/enum.rb @@ -55,12 +55,12 @@ module ActiveRecord def enum(definitions) klass = self definitions.each do |name, values| - # DIRECTION = { } + # STATUS = { } enum_values = _enum_methods_module.const_set name.to_s.upcase, ActiveSupport::HashWithIndifferentAccess.new name = name.to_sym _enum_methods_module.module_eval do - # def direction=(value) self[:direction] = DIRECTION[value] end + # def status=(value) self[:status] = STATUS[value] end define_method("#{name}=") { |value| unless enum_values.has_key?(value) raise ArgumentError, "'#{value}' is not a valid #{name}" @@ -68,20 +68,20 @@ module ActiveRecord self[name] = enum_values[value] } - # def direction() DIRECTION.key self[:direction] end + # def status() STATUS.key self[:status] end define_method(name) { enum_values.key self[name] } pairs = values.respond_to?(:each_pair) ? values.each_pair : values.each_with_index pairs.each do |value, i| enum_values[value] = i - # scope :incoming, -> { where direction: 0 } + # scope :active, -> { where status: 0 } klass.scope value, -> { klass.where name => i } - # def incoming?() direction == 0 end + # def active?() status == 0 end define_method("#{value}?") { self[name] == i } - # def incoming! update! direction: :incoming end + # def active!() update! status: :active end define_method("#{value}!") { update! name => value } end end diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb index 2602f79db9..7f6228131f 100644 --- a/activerecord/lib/active_record/errors.rb +++ b/activerecord/lib/active_record/errors.rb @@ -94,6 +94,18 @@ module ActiveRecord class PreparedStatementInvalid < ActiveRecordError end + # Raised when a given database does not exist + class NoDatabaseError < ActiveRecordError + def initialize(message) + super extend_message(message) + end + + # can be over written to add additional error information. + def extend_message(message) + message + end + end + # Raised on attempt to save stale record. Record is stale when it's being saved in another query after # instantiation, for example, when two users edit the same wiki page and one starts editing and saves # the page before the other. diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb index d241788a9b..a7a54483bc 100644 --- a/activerecord/lib/active_record/fixtures.rb +++ b/activerecord/lib/active_record/fixtures.rb @@ -604,7 +604,7 @@ module ActiveRecord } end - # Return a hash of rows to be inserted. The key is the table, the value is + # Returns a hash of rows to be inserted. The key is the table, the value is # a list of rows to insert to that table. def table_rows now = config.default_timezone == :utc ? Time.now.utc : Time.now diff --git a/activerecord/lib/active_record/integration.rb b/activerecord/lib/active_record/integration.rb index 27576b1e61..31e2518540 100644 --- a/activerecord/lib/active_record/integration.rb +++ b/activerecord/lib/active_record/integration.rb @@ -98,8 +98,10 @@ module ActiveRecord super() else define_method :to_param do - if (default = super()) && (result = send(method_name).to_s).present? - "#{default}-#{result.squish.truncate(20, separator: /\s/, omission: nil).parameterize}" + if (default = super()) && + (result = send(method_name).to_s).present? && + (param = result.squish.truncate(20, separator: /\s/, omission: nil).parameterize).present? + "#{default}-#{param}" else default end diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index 35fbad466e..b94ef18fd5 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -181,6 +181,7 @@ module ActiveRecord became = klass.new became.instance_variable_set("@attributes", @attributes) became.instance_variable_set("@attributes_cache", @attributes_cache) + became.instance_variable_set("@changed_attributes", @changed_attributes) if defined?(@changed_attributes) became.instance_variable_set("@new_record", new_record?) became.instance_variable_set("@destroyed", destroyed?) became.instance_variable_set("@errors", errors) @@ -361,7 +362,7 @@ module ActiveRecord # assert_equal 25, account.credit # check it is updated in memory # assert_equal 25, account.reload.credit # check it is also persisted # - # Another commom use case is optimistic locking handling: + # Another common use case is optimistic locking handling: # # def with_optimistic_retry # begin diff --git a/activerecord/lib/active_record/railtie.rb b/activerecord/lib/active_record/railtie.rb index eef08aea88..2a8cd83285 100644 --- a/activerecord/lib/active_record/railtie.rb +++ b/activerecord/lib/active_record/railtie.rb @@ -43,11 +43,24 @@ module ActiveRecord namespace :db do task :load_config do ActiveRecord::Tasks::DatabaseTasks.db_dir = Rails.application.config.paths["db"].first - ActiveRecord::Tasks::DatabaseTasks.database_configuration = Rails.application.config.database_configuration ActiveRecord::Tasks::DatabaseTasks.migrations_paths = Rails.application.paths['db/migrate'].to_a ActiveRecord::Tasks::DatabaseTasks.fixtures_path = File.join Rails.root, 'test', 'fixtures' ActiveRecord::Tasks::DatabaseTasks.root = Rails.root + configuration = if ENV["DATABASE_URL"] + { Rails.env => ENV["DATABASE_URL"] } + else + Rails.application.config.database_configuration || {} + end + + resolver = ActiveRecord::ConnectionAdapters::ConnectionSpecification::Resolver.new(configuration) + + configuration.each do |key, value| + configuration[key] = resolver.resolve(value) if value + end + + ActiveRecord::Tasks::DatabaseTasks.database_configuration = configuration + if defined?(ENGINE_PATH) && engine = Rails::Engine.find(ENGINE_PATH) if engine.paths['db/migrate'].existent ActiveRecord::Tasks::DatabaseTasks.migrations_paths += engine.paths['db/migrate'].to_a @@ -122,6 +135,15 @@ module ActiveRecord # and then establishes the connection. initializer "active_record.initialize_database" do |app| ActiveSupport.on_load(:active_record) do + + class ActiveRecord::NoDatabaseError + remove_possible_method :extend_message + def extend_message(message) + message << "Run `$ bin/rake db:create db:migrate` to create your database" + message + end + end + self.configurations = app.config.database_configuration || {} establish_connection end diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index 52b3d3e5e6..4b769aa11c 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -14,11 +14,7 @@ db_namespace = namespace :db do desc 'Create the database from DATABASE_URL or config/database.yml for the current Rails.env (use db:create:all to create all databases in the config)' task :create => [:load_config] do - if ENV['DATABASE_URL'] - ActiveRecord::Tasks::DatabaseTasks.create_database_url - else - ActiveRecord::Tasks::DatabaseTasks.create_current - end + ActiveRecord::Tasks::DatabaseTasks.create_current end namespace :drop do @@ -29,11 +25,7 @@ db_namespace = namespace :db do desc 'Drops the database using DATABASE_URL or the current Rails.env (use db:drop:all to drop all databases)' task :drop => [:load_config] do - if ENV['DATABASE_URL'] - ActiveRecord::Tasks::DatabaseTasks.drop_database_url - else - ActiveRecord::Tasks::DatabaseTasks.drop_current - end + ActiveRecord::Tasks::DatabaseTasks.drop_current end desc "Migrate the database (options: VERSION=x, VERBOSE=false, SCOPE=blog)." @@ -187,9 +179,6 @@ db_namespace = namespace :db do require 'active_record/fixtures' base_dir = if ENV['FIXTURES_PATH'] - STDERR.puts "Using FIXTURES_PATH env variable is deprecated, please use " + - "ActiveRecord::Tasks::DatabaseTasks.fixtures_path = '/path/to/fixtures' " + - "instead." File.join [Rails.root, ENV['FIXTURES_PATH'] || %w{test fixtures}].flatten else ActiveRecord::Tasks::DatabaseTasks.fixtures_path @@ -212,9 +201,6 @@ db_namespace = namespace :db do puts %Q(The fixture ID for "#{label}" is #{ActiveRecord::FixtureSet.identify(label)}.) if label base_dir = if ENV['FIXTURES_PATH'] - STDERR.puts "Using FIXTURES_PATH env variable is deprecated, please use " + - "ActiveRecord::Tasks::DatabaseTasks.fixtures_path = '/path/to/fixtures' " + - "instead." File.join [Rails.root, ENV['FIXTURES_PATH'] || %w{test fixtures}].flatten else ActiveRecord::Tasks::DatabaseTasks.fixtures_path @@ -343,7 +329,7 @@ db_namespace = namespace :db do end # desc "Recreate the test database from a fresh schema" - task :clone do + task :clone => :environment do case ActiveRecord::Base.schema_format when :ruby db_namespace["test:clone_schema"].invoke @@ -364,7 +350,7 @@ db_namespace = namespace :db do end # desc 'Check for pending migrations and load the test schema' - task :prepare => :load_config do + task :prepare => [:environment, :load_config] do unless ActiveRecord::Base.configurations.blank? db_namespace['test:load'].invoke end @@ -401,4 +387,3 @@ namespace :railties do end task 'test:prepare' => ['db:test:prepare', 'db:test:load', 'db:abort_if_pending_migrations'] - diff --git a/activerecord/lib/active_record/relation/delegation.rb b/activerecord/lib/active_record/relation/delegation.rb index 246c5db5bd..21beed332f 100644 --- a/activerecord/lib/active_record/relation/delegation.rb +++ b/activerecord/lib/active_record/relation/delegation.rb @@ -1,3 +1,4 @@ +require 'set' require 'active_support/concern' require 'active_support/deprecation' @@ -36,18 +37,13 @@ module ActiveRecord # may vary depending on the klass of a relation, so we create a subclass of Relation # for each different klass, and the delegations are compiled into that subclass only. - # TODO: This is not going to work. Brittle, painful. We'll switch to a blacklist - # to disallow mutator methods like map!, pop, and delete_if instead. - ARRAY_DELEGATES = [ - :+, :-, :|, :&, :[], - :all?, :collect, :detect, :each, :each_cons, :each_with_index, - :exclude?, :find_all, :flat_map, :group_by, :include?, :length, - :map, :none?, :one?, :partition, :reject, :reverse, - :sample, :second, :sort, :sort_by, :third, - :to_ary, :to_set, :to_xml, :to_yaml - ] + BLACKLISTED_ARRAY_METHODS = [ + :compact!, :flatten!, :reject!, :reverse!, :rotate!, :map!, + :shuffle!, :slice!, :sort!, :sort_by!, :delete_if, + :keep_if, :pop, :shift, :delete_at, :compact + ].to_set # :nodoc: - delegate(*ARRAY_DELEGATES, to: :to_a) + delegate :to_xml, :to_yaml, :length, :collect, :map, :each, :all?, :include?, :to_ary, to: :to_a delegate :table_name, :quoted_table_name, :primary_key, :quoted_primary_key, :connection, :columns_hash, :to => :klass @@ -119,14 +115,21 @@ module ActiveRecord def respond_to?(method, include_private = false) super || @klass.respond_to?(method, include_private) || + array_delegable?(method) || arel.respond_to?(method, include_private) end protected + def array_delegable?(method) + Array.method_defined?(method) && BLACKLISTED_ARRAY_METHODS.exclude?(method) + end + def method_missing(method, *args, &block) if @klass.respond_to?(method) scoping { @klass.public_send(method, *args, &block) } + elsif array_delegable?(method) + to_a.public_send(method, *args, &block) elsif arel.respond_to?(method) arel.public_send(method, *args, &block) else diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb index c60cd27a83..1252af7635 100644 --- a/activerecord/lib/active_record/relation/predicate_builder.rb +++ b/activerecord/lib/active_record/relation/predicate_builder.rb @@ -55,9 +55,9 @@ module ActiveRecord # # For polymorphic relationships, find the foreign key and type: # PriceEstimate.where(estimate_of: treasure) - if klass && value.is_a?(Base) && reflection = klass.reflect_on_association(column.to_sym) - if reflection.polymorphic? - queries << build(table[reflection.foreign_type], value.class.base_class) + if klass && reflection = klass.reflect_on_association(column.to_sym) + if reflection.polymorphic? && base_class = polymorphic_base_class_from_value(value) + queries << build(table[reflection.foreign_type], base_class) end column = reflection.foreign_key @@ -67,6 +67,18 @@ module ActiveRecord queries end + def self.polymorphic_base_class_from_value(value) + case value + when Relation + value.klass.base_class + when Array + val = value.compact.first + val.class.base_class if val.is_a?(Base) + when Base + value.class.base_class + end + end + def self.references(attributes) attributes.map do |key, value| if value.is_a?(Hash) diff --git a/activerecord/lib/active_record/relation/query_methods.rb b/activerecord/lib/active_record/relation/query_methods.rb index cacc787eba..78da6a83ec 100644 --- a/activerecord/lib/active_record/relation/query_methods.rb +++ b/activerecord/lib/active_record/relation/query_methods.rb @@ -37,6 +37,8 @@ module ActiveRecord def not(opts, *rest) where_value = @scope.send(:build_where, opts, rest).map do |rel| case rel + when NilClass + raise ArgumentError, 'Invalid argument for .where.not(), got nil.' when Arel::Nodes::In Arel::Nodes::NotIn.new(rel.left, rel.right) when Arel::Nodes::Equality @@ -427,7 +429,7 @@ module ActiveRecord # === string # # A single string, without additional arguments, is passed to the query - # constructor as a SQL fragment, and used in the where clause of the query. + # constructor as an SQL fragment, and used in the where clause of the query. # # Client.where("orders_count = '2'") # # SELECT * from clients where orders_count = '2'; @@ -631,12 +633,11 @@ module ActiveRecord self end - # Returns a chainable relation with zero records, specifically an - # instance of the <tt>ActiveRecord::NullRelation</tt> class. + # Returns a chainable relation with zero records. # - # The returned <tt>ActiveRecord::NullRelation</tt> inherits from Relation and implements the - # Null Object pattern. It is an object with defined null behavior and always returns an empty - # array of records without querying the database. + # The returned relation implements the Null Object pattern. It is an + # object with defined null behavior and always returns an empty array of + # records without querying the database. # # Any subsequent condition chained to the returned relation will continue # generating an empty relation and will not fire any query to the database. @@ -656,7 +657,7 @@ module ActiveRecord # when 'Reviewer' # Post.published # when 'Bad User' - # Post.none # => returning [] instead breaks the previous code + # Post.none # It can't be chained if [] is returned. # end # end # @@ -983,8 +984,10 @@ module ActiveRecord end def build_select(arel, selects) - unless selects.empty? + if !selects.empty? arel.project(*selects) + elsif from_value + arel.project(Arel.star) else arel.project(@klass.arel_table[Arel.star]) end diff --git a/activerecord/lib/active_record/sanitization.rb b/activerecord/lib/active_record/sanitization.rb index cab8fd745a..dacaec26b7 100644 --- a/activerecord/lib/active_record/sanitization.rb +++ b/activerecord/lib/active_record/sanitization.rb @@ -100,8 +100,9 @@ module ActiveRecord # { status: nil, group_id: 1 } # # => "status = NULL , group_id = 1" def sanitize_sql_hash_for_assignment(attrs, table) + c = connection attrs.map do |attr, value| - "#{connection.quote_table_name_for_assignment(table, attr)} = #{quote_bound_value(value)}" + "#{c.quote_table_name_for_assignment(table, attr)} = #{quote_bound_value(value, c, columns_hash[attr.to_s])}" end.join(', ') end @@ -152,8 +153,10 @@ module ActiveRecord end end - def quote_bound_value(value, c = connection) #:nodoc: - if value.respond_to?(:map) && !value.acts_like?(:string) + def quote_bound_value(value, c = connection, column = nil) #:nodoc: + if column + c.quote(value, column) + elsif value.respond_to?(:map) && !value.acts_like?(:string) if value.respond_to?(:empty?) && value.empty? c.quote(nil) else diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb index be7d496d15..acb7c65af5 100644 --- a/activerecord/lib/active_record/tasks/database_tasks.rb +++ b/activerecord/lib/active_record/tasks/database_tasks.rb @@ -56,11 +56,7 @@ module ActiveRecord if options.has_key?(:config) @current_config = options[:config] else - @current_config ||= if ENV['DATABASE_URL'] - database_url_config - else - ActiveRecord::Base.configurations[options[:env]] - end + @current_config ||= ActiveRecord::Base.configurations[options[:env]] end end @@ -82,11 +78,7 @@ module ActiveRecord each_current_configuration(environment) { |configuration| create configuration } - ActiveRecord::Base.establish_connection environment - end - - def create_database_url - create database_url_config + ActiveRecord::Base.establish_connection(environment.to_sym) end def drop(*arguments) @@ -107,10 +99,6 @@ module ActiveRecord } end - def drop_database_url - drop database_url_config - end - def charset_current(environment = env) charset ActiveRecord::Base.configurations[environment] end @@ -165,11 +153,6 @@ module ActiveRecord private - def database_url_config - @database_url_config ||= - ConnectionAdapters::ConnectionSpecification::Resolver.new(ENV["DATABASE_URL"], {}).spec.config.stringify_keys - end - def class_for_adapter(adapter) key = @tasks.keys.detect { |pattern| adapter[pattern] } unless key diff --git a/activerecord/lib/active_record/version.rb b/activerecord/lib/active_record/version.rb index de5fd05468..863c3ebe4d 100644 --- a/activerecord/lib/active_record/version.rb +++ b/activerecord/lib/active_record/version.rb @@ -1,7 +1,7 @@ module ActiveRecord # Returns the version of the currently loaded ActiveRecord as a Gem::Version def self.version - Gem::Version.new "4.1.0.beta" + Gem::Version.new "4.1.0.beta1" end module VERSION #:nodoc: |