diff options
Diffstat (limited to 'activerecord/lib/active_record')
11 files changed, 38 insertions, 15 deletions
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 c0a2111571..30b2fca2ca 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_limits.rb @@ -18,9 +18,9 @@ module ActiveRecord end # Returns the maximum allowed length for an index name. This - # limit is enforced by rails and Is less than or equal to + # limit is enforced by \Rails and is less than or equal to # <tt>index_name_length</tt>. The gap between - # <tt>index_name_length</tt> is to allow internal rails + # <tt>index_name_length</tt> is to allow internal \Rails # operations to use prefixes in temporary operations. def allowed_index_name_length index_name_length 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 cb83d0022c..4761024ad0 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -359,6 +359,7 @@ module ActiveRecord def column(name, type, options = {}) name = name.to_s type = type.to_sym + options = options.dup if @columns_hash[name] && @columns_hash[name].primary_key? raise ArgumentError, "you can't redefine the primary key column '#{name}'. To define a custom primary key, pass { id: false } to create_table." 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 ecb4868c13..c4a37f8538 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -120,6 +120,8 @@ module ActiveRecord # [<tt>:id</tt>] # Whether to automatically add a primary key column. Defaults to true. # Join tables for +has_and_belongs_to_many+ should set it to false. + # + # A Symbol can be used to specify the type of the generated primary key column. # [<tt>:primary_key</tt>] # The name of the primary key, if one is to be added automatically. # Defaults to +id+. If <tt>:id</tt> is false this option is ignored. @@ -163,6 +165,19 @@ module ActiveRecord # name varchar(80) # ) # + # ====== Change the primary key column type + # + # create_table(:tags, id: :string) do |t| + # t.column :label, :string + # end + # + # generates: + # + # CREATE TABLE tags ( + # id varchar PRIMARY KEY, + # label varchar + # ) + # # ====== Do not add a primary key column # # create_table(:categories_suppliers, id: false) do |t| @@ -1034,7 +1049,7 @@ module ActiveRecord end end - def validate_index_length!(table_name, new_name) + def validate_index_length!(table_name, new_name) # :nodoc: if new_name.length > allowed_index_name_length raise ArgumentError, "Index name '#{new_name}' on table '#{table_name}' is too long; the limit is #{allowed_index_name_length} characters" end diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb index 45b935f1d6..18febf66b4 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -5,8 +5,10 @@ require 'active_support/core_ext/hash/keys' gem 'mysql', '~> 2.9' require 'mysql' -class Mysql +class Mysql # :nodoc: all class Time + # Used for casting DateTime fields to a MySQL friendly Time. + # This was documented in 48498da0dfed5239ea1eafb243ce47d7e3ce9e8e def to_date Date.new(year, month, day) end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 168180cfd3..70fc1a6bd8 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -100,6 +100,7 @@ module ActiveRecord SQL end + # Verifies existence of an index with a given name. def index_name_exists?(table_name, index_name, default) exec_query(<<-SQL, 'SCHEMA').rows.first[0].to_i > 0 SELECT COUNT(*) @@ -462,6 +463,8 @@ module ActiveRecord execute "DROP INDEX #{quote_table_name(index_name)}" end + # Renames an index of a table. Raises error if length of new + # index name is greater than allowed limit. def rename_index(table_name, old_name, new_name) validate_index_length!(table_name, new_name) diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb index ea88983917..2b99899e42 100644 --- a/activerecord/lib/active_record/enum.rb +++ b/activerecord/lib/active_record/enum.rb @@ -32,7 +32,7 @@ module ActiveRecord # Conversation.active # Conversation.archived # - # Of course, you can also query them directly if the scopes doesn't fit your + # Of course, you can also query them directly if the scopes don't fit your # needs: # # Conversation.where(status: [:active, :archived]) diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb index 084ef397a8..90e37e80d2 100644 --- a/activerecord/lib/active_record/nested_attributes.rb +++ b/activerecord/lib/active_record/nested_attributes.rb @@ -147,8 +147,8 @@ module ActiveRecord # has_many :posts # accepts_nested_attributes_for :posts, reject_if: :reject_posts # - # def reject_posts(attributed) - # attributed['title'].blank? + # def reject_posts(attributes) + # attributes['title'].blank? # end # end # diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index ae1c326d95..da8f4d027a 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -205,7 +205,9 @@ module ActiveRecord # 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. + # Therefore the sti column value will still be the same. + # Any change to the attributes on either instance will affect both instances. + # If you want to change the sti column as well, use +becomes!+ instead. def becomes(klass) became = klass.new became.instance_variable_set("@attributes", @attributes) @@ -428,7 +430,7 @@ module ActiveRecord self end - # Saves the record with the updated_at/on attributes set to the current time + # Saves the record with the updated_at/on attributes set to the current time # or the time specified. # Please note that no validation is performed and only the +after_touch+, # +after_commit+ and +after_rollback+ callbacks are executed. diff --git a/activerecord/lib/active_record/railties/databases.rake b/activerecord/lib/active_record/railties/databases.rake index 2591e7492d..d168786e71 100644 --- a/activerecord/lib/active_record/railties/databases.rake +++ b/activerecord/lib/active_record/railties/databases.rake @@ -240,7 +240,7 @@ db_namespace = namespace :db do end desc 'Load a schema.rb file into the database' - task :load => [:load_config] do + task :load => [:environment, :load_config] do ActiveRecord::Tasks::DatabaseTasks.load_schema_current(:ruby, ENV['SCHEMA']) end diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 6a3a56f1cc..576a32bf75 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -77,16 +77,16 @@ module ActiveRecord # # Post.find_by name: 'Spartacus', rating: 4 # Post.find_by "published_at < ?", 2.weeks.ago - def find_by(*args) - where(*args).take + def find_by(arg, *args) + where(arg, *args).take rescue RangeError nil end # Like <tt>find_by</tt>, except that if no record is found, raises # an <tt>ActiveRecord::RecordNotFound</tt> error. - def find_by!(*args) - where(*args).take! + def find_by!(arg, *args) + where(arg, *args).take! rescue RangeError raise RecordNotFound, "Couldn't find #{@klass.name} with an out of range value" end diff --git a/activerecord/lib/active_record/relation/where_clause.rb b/activerecord/lib/active_record/relation/where_clause.rb index f9b9e640ec..1f000b3f0f 100644 --- a/activerecord/lib/active_record/relation/where_clause.rb +++ b/activerecord/lib/active_record/relation/where_clause.rb @@ -135,7 +135,7 @@ module ActiveRecord def predicates_except(columns) predicates.reject do |node| case node - when Arel::Nodes::Between, Arel::Nodes::In, Arel::Nodes::NotIn, Arel::Nodes::Equality, Arel::Nodes::NotEqual, Arel::Nodes::LessThanOrEqual, Arel::Nodes::GreaterThanOrEqual + when Arel::Nodes::Between, Arel::Nodes::In, Arel::Nodes::NotIn, Arel::Nodes::Equality, Arel::Nodes::NotEqual, Arel::Nodes::LessThan, Arel::Nodes::LessThanOrEqual, Arel::Nodes::GreaterThan, Arel::Nodes::GreaterThanOrEqual subrelation = (node.left.kind_of?(Arel::Attributes::Attribute) ? node.left : node.right) columns.include?(subrelation.name.to_s) end |