Class: ActiveRecord::ConnectionAdapters::RealTransaction

Inherits:

Transaction

• Object
• Transaction
• ActiveRecord::ConnectionAdapters::RealTransaction

Defined in:

lib/active_record/connection_adapters/abstract/transaction.rb

Overview

Active Record Real Transaction

Instance Attribute Summary

Attributes inherited from Transaction

#connection, #isolation_level, #savepoint_name, #state, #user_transaction, #written

Instance Method Summary

• #commit ⇒ Object
• #materialize! ⇒ Object
• #restart ⇒ Object
• #rollback ⇒ Object

Methods inherited from Transaction

#add_record, #after_commit, #after_rollback, #before_commit, #before_commit_records, #closed?, #commit_records, #dirty!, #dirty?, #full_rollback?, #incomplete!, #initialize, #joinable?, #materialized?, #open?, #records, #restartable?, #restore!, #rollback_records

Constructor Details

This class inherits a constructor from ActiveRecord::ConnectionAdapters::Transaction

Instance Method Details

#commit ⇒ Object

# File 'lib/active_record/connection_adapters/abstract/transaction.rb', line 487

def commit
  if materialized?
    connection.commit_db_transaction
    connection.reset_isolation_level if isolation_level
  end
  @state.full_commit!
  @instrumenter.finish(:commit) if materialized?
end

#materialize! ⇒ Object

# File 'lib/active_record/connection_adapters/abstract/transaction.rb', line 450

def materialize!
  if joinable?
    if isolation_level
      connection.begin_isolated_db_transaction(isolation_level)
    else
      connection.begin_db_transaction
    end
  else
    connection.begin_deferred_transaction(isolation_level)
  end

  super
end

#restart ⇒ Object

# File 'lib/active_record/connection_adapters/abstract/transaction.rb', line 464

def restart
  return unless materialized?

  @instrumenter.finish(:restart)

  if connection.supports_restart_db_transaction?
    @instrumenter.start
    connection.restart_db_transaction
  else
    connection.rollback_db_transaction
    materialize!
  end
end

#rollback ⇒ Object

# File 'lib/active_record/connection_adapters/abstract/transaction.rb', line 478

def rollback
  if materialized?
    connection.rollback_db_transaction
    connection.reset_isolation_level if isolation_level
  end
  @state.full_rollback!
  @instrumenter.finish(:rollback) if materialized?
end