diff options
Diffstat (limited to 'activerecord/lib')
10 files changed, 67 insertions, 21 deletions
diff --git a/activerecord/lib/active_record.rb b/activerecord/lib/active_record.rb index 7a2c5c8bf2..cbac2ef3c6 100644 --- a/activerecord/lib/active_record.rb +++ b/activerecord/lib/active_record.rb @@ -45,6 +45,7 @@ module ActiveRecord autoload :Migrator, 'active_record/migration' autoload :ModelSchema autoload :NestedAttributes + autoload :NoTouching autoload :Persistence autoload :QueryCache autoload :Querying 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 56331bbb0b..31b8d27892 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -163,7 +163,7 @@ module ActiveRecord delete_through_records(records) - if source_reflection.options[:counter_cache] + if source_reflection.options[:counter_cache] && method != :destroy counter = source_reflection.counter_cache_column klass.decrement_counter counter, records.map(&:id) end diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb index 0008600418..944caacab6 100644 --- a/activerecord/lib/active_record/associations/has_one_association.rb +++ b/activerecord/lib/active_record/associations/has_one_association.rb @@ -26,11 +26,13 @@ module ActiveRecord load_target return self.target if !(target || record) - if (target != record) || record.changed? + + assigning_another_record = target != record + if assigning_another_record || record.changed? save &&= owner.persisted? transaction_if(save) do - remove_target!(options[:dependent]) if target && !target.destroyed? + remove_target!(options[:dependent]) if target && !target.destroyed? && assigning_another_record if record set_owner_attributes(record) diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index 69a9eabefb..e05e22ebb0 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -295,6 +295,7 @@ module ActiveRecord #:nodoc: extend Delegation::DelegateCache include Persistence + include NoTouching include ReadonlyAttributes include ModelSchema include Inheritance diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 86c27557b4..b5acf211d5 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -16,6 +16,7 @@ module ActiveRecord autoload_at 'active_record/connection_adapters/abstract/schema_definitions' do autoload :IndexDefinition autoload :ColumnDefinition + autoload :ChangeColumnDefinition autoload :TableDefinition autoload :Table autoload :AlterTable 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 138ab811dc..ee6ca4fb6f 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -206,6 +206,12 @@ module ActiveRecord true end + def type_cast(value, column) + return super unless value == true || value == false + + value ? 1 : 0 + end + # MySQL 4 technically support transaction isolation, but it is affected by a bug # where the transaction level gets persisted for the whole session: # diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb index a690404892..7b18b95c44 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -160,12 +160,6 @@ module ActiveRecord # QUOTING ================================================== - def type_cast(value, column) - return super unless value == true || value == false - - value ? 1 : 0 - end - def quote_string(string) #:nodoc: @connection.quote(string) end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index eecebdb4e5..adeb57d913 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -631,7 +631,6 @@ module ActiveRecord true end - # Returns true. def supports_explain? true end diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index 35a579f29b..2cf1015f2c 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -141,14 +141,12 @@ module ActiveRecord 'SQLite' end - # Returns true def supports_ddl_transactions? true end - # Returns true if SQLite version is '3.6.8' or greater, false otherwise. def supports_savepoints? - sqlite_version >= '3.6.8' + true end # Returns true, since this connection adapter supports prepared statement @@ -162,7 +160,6 @@ module ActiveRecord true end - # Returns true. def supports_primary_key? #:nodoc: true end @@ -171,7 +168,6 @@ module ActiveRecord true end - # Returns true def supports_add_column? true end @@ -193,11 +189,6 @@ module ActiveRecord @statements.clear end - # Returns true - def supports_count_distinct? #:nodoc: - true - end - def supports_index_sort_order? true end @@ -218,7 +209,6 @@ module ActiveRecord @connection.encoding.to_s end - # Returns true. def supports_explain? true end diff --git a/activerecord/lib/active_record/no_touching.rb b/activerecord/lib/active_record/no_touching.rb new file mode 100644 index 0000000000..dbf4564ae5 --- /dev/null +++ b/activerecord/lib/active_record/no_touching.rb @@ -0,0 +1,52 @@ +module ActiveRecord + # = Active Record No Touching + module NoTouching + extend ActiveSupport::Concern + + module ClassMethods + # Lets you selectively disable calls to `touch` for the + # duration of a block. + # + # ==== Examples + # ActiveRecord::Base.no_touching do + # Project.first.touch # does nothing + # Message.first.touch # does nothing + # end + # + # Project.no_touching do + # Project.first.touch # does nothing + # Message.first.touch # works, but does not touch the associated project + # end + # + def no_touching(&block) + NoTouching.apply_to(self, &block) + end + end + + class << self + def apply_to(klass) #:nodoc: + klasses.push(klass) + yield + ensure + klasses.pop + end + + def applied_to?(klass) #:nodoc: + klasses.any? { |k| k >= klass } + end + + private + def klasses + Thread.current[:no_touching_classes] ||= [] + end + end + + def no_touching? + NoTouching.applied_to?(self.class) + end + + def touch(*) + super unless no_touching? + end + end +end |