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Class: ActiveRecord::ConnectionAdapters::RealTransaction

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Transaction
Instance Chain:
self, Transaction
Inherits: ActiveRecord::ConnectionAdapters::Transaction
Defined in: activerecord/lib/active_record/connection_adapters/abstract/transaction.rb

Overview

Active Record Real Transaction

Class Method Summary

Transaction - Inherited

.new

Instance Attribute Summary

Transaction - Inherited

#closed?, #connection, #dirty?, #full_rollback?, #isolation_level, #joinable?, #materialized?, #open?,
#restartable?

Can this transaction’s current state be recreated by rollback+begin ?
#savepoint_name, #state, #user_transaction, #written

Instance Method Summary

Transaction - Inherited

#add_record, #after_commit, #after_rollback, #before_commit, #before_commit_records, #commit_records, #dirty!, #incomplete!, #invalidate!, #invalidated?,
#isolation

Returns the isolation level if it was explicitly set, nil otherwise.
#materialize!, #records, #restore!, #rollback_records, #append_callbacks, #prepare_instances_to_run_callbacks_on, #run_action_on_records, #unique_records

Constructor Details

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

Instance Method Details

#commit

[ GitHub ] 

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/transaction.rb', line 499



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!  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/transaction.rb', line 462



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  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/transaction.rb', line 476



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  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/connection_adapters/abstract/transaction.rb', line 490



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