class ActiveRecord::ConnectionAdapters::SavepointTransaction
Транзакция Active Record с точкой сохранения
Публичные методы класса
# File activerecord/lib/active_record/connection_adapters/abstract/transaction.rb, line 416
def initialize(connection, savepoint_name, parent_transaction, **options)
super(connection, **options)
@parent_transaction = parent_transaction
parent_transaction.state.add_child(@state)
if isolation_level
raise ActiveRecord::TransactionIsolationError, "cannot set transaction isolation in a nested transaction"
end
@savepoint_name = savepoint_name
end Вызывает метод суперкласса
Публичные методы экземпляра
# File activerecord/lib/active_record/connection_adapters/abstract/transaction.rb, line 460 def commit connection.release_savepoint(savepoint_name) if materialized? @state.commit! @instrumenter.finish(:commit) if materialized? end
# File activerecord/lib/active_record/connection_adapters/abstract/transaction.rb, line 466 def full_rollback?; false; end
# File activerecord/lib/active_record/connection_adapters/abstract/transaction.rb, line 430 def isolation @parent_transaction.isolation end
Использует уровень изоляции родительской транзакции
# File activerecord/lib/active_record/connection_adapters/abstract/transaction.rb, line 438 def materialize! connection.create_savepoint(savepoint_name) super end
Вызывает метод суперкласса
# File activerecord/lib/active_record/connection_adapters/abstract/transaction.rb, line 443 def restart return unless materialized? @instrumenter.finish(:restart) @instrumenter.start connection.rollback_to_savepoint(savepoint_name) end
# File activerecord/lib/active_record/connection_adapters/abstract/transaction.rb, line 452
def rollback
unless @state.invalidated?
connection.rollback_to_savepoint(savepoint_name) if materialized? && connection.active?
end
@state.rollback!
@instrumenter.finish(:rollback) if materialized?
end
© 2004–2021 David Heinemeier Hansson
Licensed under the MIT License.