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Class: ActiveRecord::ConnectionAdapters::SavepointTransaction

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 Savepoint Transaction

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(connection, savepoint_name, parent_transaction, **options) ⇒ SavepointTransaction

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# File 'activerecord/lib/active_record/connection_adapters/abstract/transaction.rb', line 405

def initialize(connection, savepoint_name, parent_transaction, **options)
  super(connection, **options)

  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

Instance Attribute Details

#full_rollback?Boolean (readonly)

[ GitHub ]

  
# File 'activerecord/lib/active_record/connection_adapters/abstract/transaction.rb', line 445

def full_rollback?; false; end

Instance Method Details

#commit

[ GitHub ]

  
# File 'activerecord/lib/active_record/connection_adapters/abstract/transaction.rb', line 439

def commit
  connection.release_savepoint(savepoint_name) if materialized?
  @state.commit!
  @instrumenter.finish(:commit) if materialized?
end

#materialize!

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# File 'activerecord/lib/active_record/connection_adapters/abstract/transaction.rb', line 417

def materialize!
  connection.create_savepoint(savepoint_name)
  super
end

#restart

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# File 'activerecord/lib/active_record/connection_adapters/abstract/transaction.rb', line 422

def restart
  return unless materialized?

  @instrumenter.finish(:restart)
  @instrumenter.start

  connection.rollback_to_savepoint(savepoint_name)
end

#rollback

[ GitHub ]

  
# File 'activerecord/lib/active_record/connection_adapters/abstract/transaction.rb', line 431

def rollback
  unless @state.invalidated?
    connection.rollback_to_savepoint(savepoint_name) if materialized? && connection.active?
  end
  @state.rollback!
  @instrumenter.finish(:rollback) if materialized?
end