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-rw-r--r--activerecord/lib/active_record/associations.rb6
-rw-r--r--activerecord/lib/active_record/associations/collection_proxy.rb25
-rw-r--r--activerecord/lib/active_record/associations/has_one_association.rb2
-rw-r--r--activerecord/lib/active_record/attribute_methods/read.rb4
-rw-r--r--activerecord/lib/active_record/base.rb1
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/oid.rb1
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb10
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb5
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb10
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb3
-rw-r--r--activerecord/lib/active_record/enum.rb3
-rw-r--r--activerecord/lib/active_record/migration.rb20
-rw-r--r--activerecord/lib/active_record/migration/command_recorder.rb32
-rw-r--r--activerecord/lib/active_record/type.rb4
-rw-r--r--activerecord/lib/active_record/type/internal/abstract_json.rb33
-rw-r--r--activerecord/lib/active_record/type/json.rb31
18 files changed, 123 insertions, 71 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index a830b0e0e4..19ef37e228 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -619,10 +619,10 @@ module ActiveRecord
# @tag = @post.tags.build name: "ruby"
# @tag.save
#
- # The last line ought to save the through record (a <tt>Taggable</tt>). This will only work if the
+ # The last line ought to save the through record (a <tt>Tagging</tt>). This will only work if the
# <tt>:inverse_of</tt> is set:
#
- # class Taggable < ActiveRecord::Base
+ # class Tagging < ActiveRecord::Base
# belongs_to :post
# belongs_to :tag, inverse_of: :taggings
# end
@@ -643,7 +643,7 @@ module ActiveRecord
# You can turn off the automatic detection of inverse associations by setting
# the <tt>:inverse_of</tt> option to <tt>false</tt> like so:
#
- # class Taggable < ActiveRecord::Base
+ # class Tagging < ActiveRecord::Base
# belongs_to :tag, inverse_of: false
# end
#
diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb
index b5a8c81fe4..29c711082a 100644
--- a/activerecord/lib/active_record/associations/collection_proxy.rb
+++ b/activerecord/lib/active_record/associations/collection_proxy.rb
@@ -227,6 +227,31 @@ module ActiveRecord
@association.last(*args)
end
+ # Gives a record (or N records if a parameter is supplied) from the collection
+ # using the same rules as <tt>ActiveRecord::Base.take</tt>.
+ #
+ # class Person < ActiveRecord::Base
+ # has_many :pets
+ # end
+ #
+ # person.pets
+ # # => [
+ # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>,
+ # # #<Pet id: 2, name: "Spook", person_id: 1>,
+ # # #<Pet id: 3, name: "Choo-Choo", person_id: 1>
+ # # ]
+ #
+ # person.pets.take # => #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>
+ #
+ # person.pets.take(2)
+ # # => [
+ # # #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>,
+ # # #<Pet id: 2, name: "Spook", person_id: 1>
+ # # ]
+ #
+ # another_person_without.pets # => []
+ # another_person_without.pets.take # => nil
+ # another_person_without.pets.take(2) # => []
def take(n = nil)
@association.take(n)
end
diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb
index 5a92bc5e8a..1829453d73 100644
--- a/activerecord/lib/active_record/associations/has_one_association.rb
+++ b/activerecord/lib/active_record/associations/has_one_association.rb
@@ -65,7 +65,7 @@ module ActiveRecord
when :destroy
target.destroy
when :nullify
- target.update_columns(reflection.foreign_key => nil)
+ target.update_columns(reflection.foreign_key => nil) if target.persisted?
end
end
end
diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb
index 2363cf7608..5197e21fa4 100644
--- a/activerecord/lib/active_record/attribute_methods/read.rb
+++ b/activerecord/lib/active_record/attribute_methods/read.rb
@@ -56,14 +56,12 @@ module ActiveRecord
end
end
- ID = 'id'.freeze
-
# Returns the value of the attribute identified by <tt>attr_name</tt> after
# 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, &block)
name = attr_name.to_s
- name = self.class.primary_key if name == ID
+ name = self.class.primary_key if name == 'id'.freeze
_read_attribute(name, &block)
end
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 55a7e053bc..4b66d8cd36 100644
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -1,5 +1,4 @@
require 'yaml'
-require 'set'
require 'active_support/benchmarkable'
require 'active_support/dependencies'
require 'active_support/descendants_tracker'
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 dff6c69168..c086111d41 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -1054,7 +1054,7 @@ module ActiveRecord
end
end
- class MysqlJson < Type::Json # :nodoc:
+ class MysqlJson < Type::Internal::AbstractJson # :nodoc:
def changed_in_place?(raw_old_value, new_value)
# Normalization is required because MySQL JSON data format includes
# the space between the elements.
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
index 37226831dc..68752cdd80 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid.rb
@@ -8,6 +8,7 @@ require 'active_record/connection_adapters/postgresql/oid/decimal'
require 'active_record/connection_adapters/postgresql/oid/enum'
require 'active_record/connection_adapters/postgresql/oid/hstore'
require 'active_record/connection_adapters/postgresql/oid/inet'
+require 'active_record/connection_adapters/postgresql/oid/json'
require 'active_record/connection_adapters/postgresql/oid/jsonb'
require 'active_record/connection_adapters/postgresql/oid/money'
require 'active_record/connection_adapters/postgresql/oid/point'
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
new file mode 100644
index 0000000000..dbc879ffd4
--- /dev/null
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
@@ -0,0 +1,10 @@
+module ActiveRecord
+ module ConnectionAdapters
+ module PostgreSQL
+ module OID # :nodoc:
+ class Json < Type::Internal::AbstractJson
+ end
+ end
+ end
+ end
+end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb
index 1f6d63582c..87391b5dc7 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb
@@ -2,7 +2,7 @@ module ActiveRecord
module ConnectionAdapters
module PostgreSQL
module OID # :nodoc:
- class Jsonb < Type::Json # :nodoc:
+ class Jsonb < Json # :nodoc:
def type
:jsonb
end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
index f175730551..d5879ea7df 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb
@@ -31,6 +31,11 @@ module ActiveRecord
Utils.extract_schema_qualified_name(name.to_s).quoted
end
+ # Quotes schema names for use in SQL queries.
+ def quote_schema_name(name)
+ PGconn.quote_ident(name)
+ end
+
def quote_table_name_for_assignment(table, attr)
quote_column_name(attr)
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 d114cad16b..a3fc8fbc51 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
@@ -68,7 +68,7 @@ module ActiveRecord
execute "DROP DATABASE IF EXISTS #{quote_table_name(name)}"
end
- # Returns the list of all tables in the schema search path or a specified schema.
+ # Returns the list of all tables in the schema search path.
def tables(name = nil)
select_values("SELECT tablename FROM pg_tables WHERE schemaname = ANY(current_schemas(false))", 'SCHEMA')
end
@@ -210,12 +210,12 @@ module ActiveRecord
# Creates a schema for the given schema name.
def create_schema schema_name
- execute "CREATE SCHEMA #{schema_name}"
+ execute "CREATE SCHEMA #{quote_schema_name(schema_name)}"
end
# Drops the schema for the given schema name.
- def drop_schema schema_name
- execute "DROP SCHEMA #{schema_name} CASCADE"
+ def drop_schema(schema_name, options = {})
+ execute "DROP SCHEMA#{' IF EXISTS' if options[:if_exists]} #{quote_schema_name(schema_name)} CASCADE"
end
# Sets the schema search path to a string of comma-separated schema names.
@@ -376,7 +376,7 @@ module ActiveRecord
new_seq = "#{new_name}_#{pk}_seq"
idx = "#{table_name}_pkey"
new_idx = "#{new_name}_pkey"
- execute "ALTER TABLE #{quote_table_name(seq)} RENAME TO #{quote_table_name(new_seq)}"
+ execute "ALTER TABLE #{seq.quoted} RENAME TO #{quote_table_name(new_seq)}"
execute "ALTER INDEX #{quote_table_name(idx)} RENAME TO #{quote_table_name(new_idx)}"
end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 861edbf3a2..27291bd2ea 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -482,7 +482,7 @@ module ActiveRecord
m.register_type 'bytea', OID::Bytea.new
m.register_type 'point', OID::Point.new
m.register_type 'hstore', OID::Hstore.new
- m.register_type 'json', Type::Json.new
+ m.register_type 'json', OID::Json.new
m.register_type 'jsonb', OID::Jsonb.new
m.register_type 'cidr', OID::Cidr.new
m.register_type 'inet', OID::Inet.new
@@ -838,6 +838,7 @@ module ActiveRecord
ActiveRecord::Type.register(:enum, OID::Enum, adapter: :postgresql)
ActiveRecord::Type.register(:hstore, OID::Hstore, adapter: :postgresql)
ActiveRecord::Type.register(:inet, OID::Inet, adapter: :postgresql)
+ ActiveRecord::Type.register(:json, OID::Json, adapter: :postgresql)
ActiveRecord::Type.register(:jsonb, OID::Jsonb, adapter: :postgresql)
ActiveRecord::Type.register(:money, OID::Money, adapter: :postgresql)
ActiveRecord::Type.register(:point, OID::Point, adapter: :postgresql)
diff --git a/activerecord/lib/active_record/enum.rb b/activerecord/lib/active_record/enum.rb
index 91a13cb0cd..4902fcb1a2 100644
--- a/activerecord/lib/active_record/enum.rb
+++ b/activerecord/lib/active_record/enum.rb
@@ -18,10 +18,9 @@ module ActiveRecord
# conversation.archived? # => true
# conversation.status # => "archived"
#
- # # conversation.update! status: 1
+ # # conversation.status = 1
# conversation.status = "archived"
#
- # # conversation.update! status: nil
# conversation.status = nil
# conversation.status.nil? # => true
# conversation.status # => nil
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index c35efbdee8..b4dd8eff5a 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -168,7 +168,7 @@ module ActiveRecord
#
# rails generate migration add_fieldname_to_tablename fieldname:string
#
- # This will generate the file <tt>timestamp_add_fieldname_to_tablename</tt>, which will look like this:
+ # This will generate the file <tt>timestamp_add_fieldname_to_tablename.rb</tt>, which will look like this:
# class AddFieldnameToTablename < ActiveRecord::Migration
# def change
# add_column :tablenames, :fieldname, :string
@@ -459,7 +459,7 @@ module ActiveRecord
# Or equivalently, if +TenderloveMigration+ is defined as in the
# documentation for Migration:
#
- # require_relative '2012121212_tenderlove_migration'
+ # require_relative '20121212123456_tenderlove_migration'
#
# class FixupTLMigration < ActiveRecord::Migration
# def change
@@ -475,13 +475,13 @@ module ActiveRecord
def revert(*migration_classes)
run(*migration_classes.reverse, revert: true) unless migration_classes.empty?
if block_given?
- if @connection.respond_to? :revert
- @connection.revert { yield }
+ if connection.respond_to? :revert
+ connection.revert { yield }
else
- recorder = CommandRecorder.new(@connection)
+ recorder = CommandRecorder.new(connection)
@connection = recorder
suppress_messages do
- @connection.revert { yield }
+ connection.revert { yield }
end
@connection = recorder.delegate
recorder.commands.each do |cmd, args, block|
@@ -492,7 +492,7 @@ module ActiveRecord
end
def reverting?
- @connection.respond_to?(:reverting) && @connection.reverting
+ connection.respond_to?(:reverting) && connection.reverting
end
class ReversibleBlockHelper < Struct.new(:reverting) # :nodoc:
@@ -549,7 +549,7 @@ module ActiveRecord
revert { run(*migration_classes, direction: dir, revert: true) }
else
migration_classes.each do |migration_class|
- migration_class.new.exec_migration(@connection, dir)
+ migration_class.new.exec_migration(connection, dir)
end
end
end
@@ -641,7 +641,7 @@ module ActiveRecord
arg_list = arguments.map(&:inspect) * ', '
say_with_time "#{method}(#{arg_list})" do
- unless @connection.respond_to? :revert
+ unless connection.respond_to? :revert
unless arguments.empty? || [:execute, :enable_extension, :disable_extension].include?(method)
arguments[0] = proper_table_name(arguments.first, table_name_options)
if [:rename_table, :add_foreign_key].include?(method) ||
@@ -814,7 +814,7 @@ module ActiveRecord
new(:up, migrations, target_version).migrate
end
- def down(migrations_paths, target_version = nil, &block)
+ def down(migrations_paths, target_version = nil)
migrations = migrations(migrations_paths)
migrations.select! { |m| yield m } if block_given?
diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb
index dcc2362397..3ab0f28c9b 100644
--- a/activerecord/lib/active_record/migration/command_recorder.rb
+++ b/activerecord/lib/active_record/migration/command_recorder.rb
@@ -5,15 +5,34 @@ module ActiveRecord
# knows how to invert the following commands:
#
# * add_column
+ # * add_foreign_key
# * add_index
+ # * add_reference
# * add_timestamps
- # * create_table
+ # * change_column_default (must supply a :from and :to option)
+ # * change_column_null
# * create_join_table
+ # * create_table
+ # * disable_extension
+ # * drop_join_table
+ # * drop_table (must supply a block)
+ # * enable_extension
+ # * remove_column (must supply a type)
+ # * remove_foreign_key (must supply a second table)
+ # * remove_index
+ # * remove_reference
# * remove_timestamps
# * rename_column
# * rename_index
# * rename_table
class CommandRecorder
+ ReversibleAndIrreversibleMethods = [:create_table, :create_join_table, :rename_table, :add_column, :remove_column,
+ :rename_index, :rename_column, :add_index, :remove_index, :add_timestamps, :remove_timestamps,
+ :change_column_default, :add_reference, :remove_reference, :transaction,
+ :drop_join_table, :drop_table, :execute_block, :enable_extension, :disable_extension,
+ :change_column, :execute, :remove_columns, :change_column_null,
+ :add_foreign_key, :remove_foreign_key
+ ]
include JoinTable
attr_accessor :commands, :delegate, :reverting
@@ -41,7 +60,7 @@ module ActiveRecord
@reverting = !@reverting
end
- # record +command+. +command+ should be a method name and arguments.
+ # Record +command+. +command+ should be a method name and arguments.
# For example:
#
# recorder.record(:method_name, [:arg1, :arg2])
@@ -70,14 +89,7 @@ module ActiveRecord
super || delegate.respond_to?(*args)
end
- [:create_table, :create_join_table, :rename_table, :add_column, :remove_column,
- :rename_index, :rename_column, :add_index, :remove_index, :add_timestamps, :remove_timestamps,
- :add_reference, :remove_reference, :transaction,
- :drop_join_table, :drop_table, :execute_block, :enable_extension,
- :change_column, :execute, :remove_columns, :change_column_null,
- :add_foreign_key, :remove_foreign_key
- # irreversible methods need to be here too
- ].each do |method|
+ ReversibleAndIrreversibleMethods.each do |method|
class_eval <<-EOV, __FILE__, __LINE__ + 1
def #{method}(*args, &block) # def create_table(*args, &block)
record(:"#{method}", args, &block) # record(:create_table, args, &block)
diff --git a/activerecord/lib/active_record/type.rb b/activerecord/lib/active_record/type.rb
index 8f56a37f3c..53f3b53bec 100644
--- a/activerecord/lib/active_record/type.rb
+++ b/activerecord/lib/active_record/type.rb
@@ -10,7 +10,6 @@ require 'active_record/type/decimal'
require 'active_record/type/decimal_without_scale'
require 'active_record/type/float'
require 'active_record/type/integer'
-require 'active_record/type/json'
require 'active_record/type/serialized'
require 'active_record/type/string'
require 'active_record/type/text'
@@ -21,6 +20,8 @@ require 'active_record/type/adapter_specific_registry'
require 'active_record/type/type_map'
require 'active_record/type/hash_lookup_type_map'
+require 'active_record/type/internal/abstract_json'
+
module ActiveRecord
module Type
@registry = AdapterSpecificRegistry.new
@@ -60,7 +61,6 @@ module ActiveRecord
register(:decimal, Type::Decimal, override: false)
register(:float, Type::Float, override: false)
register(:integer, Type::Integer, override: false)
- register(:json, Type::Json, override: false)
register(:string, Type::String, override: false)
register(:text, Type::Text, override: false)
register(:time, Type::Time, override: false)
diff --git a/activerecord/lib/active_record/type/internal/abstract_json.rb b/activerecord/lib/active_record/type/internal/abstract_json.rb
new file mode 100644
index 0000000000..963a8245d0
--- /dev/null
+++ b/activerecord/lib/active_record/type/internal/abstract_json.rb
@@ -0,0 +1,33 @@
+module ActiveRecord
+ module Type
+ module Internal # :nodoc:
+ class AbstractJson < Type::Value # :nodoc:
+ include Type::Helpers::Mutable
+
+ def type
+ :json
+ end
+
+ def deserialize(value)
+ if value.is_a?(::String)
+ ::ActiveSupport::JSON.decode(value) rescue nil
+ else
+ value
+ end
+ end
+
+ def serialize(value)
+ if value.is_a?(::Array) || value.is_a?(::Hash)
+ ::ActiveSupport::JSON.encode(value)
+ else
+ value
+ end
+ end
+
+ def accessor
+ ActiveRecord::Store::StringKeyedHashAccessor
+ end
+ end
+ end
+ end
+end
diff --git a/activerecord/lib/active_record/type/json.rb b/activerecord/lib/active_record/type/json.rb
deleted file mode 100644
index 1728bd3a8e..0000000000
--- a/activerecord/lib/active_record/type/json.rb
+++ /dev/null
@@ -1,31 +0,0 @@
-module ActiveRecord
- module Type
- class Json < Type::Value # :nodoc:
- include Type::Helpers::Mutable
-
- def type
- :json
- end
-
- def deserialize(value)
- if value.is_a?(::String)
- ::ActiveSupport::JSON.decode(value) rescue nil
- else
- value
- end
- end
-
- def serialize(value)
- if value.is_a?(::Array) || value.is_a?(::Hash)
- ::ActiveSupport::JSON.encode(value)
- else
- value
- end
- end
-
- def accessor
- ActiveRecord::Store::StringKeyedHashAccessor
- end
- end
- end
-end