This documentation is for an unsupported version of PostgreSQL.
You may want to view the same page for the
current
version, or one of the other supported versions listed above instead.
ROLLBACK PREPARED
Name
ROLLBACK PREPARED -- cancel a transaction
that was earlier prepared for two-phase commit
Synopsis
ROLLBACK PREPARED transaction_id
Description
ROLLBACK PREPARED rolls back a
transaction that is in prepared state.
Parameters
- transaction_id
-
The transaction identifier of the transaction that is to
be rolled back.
Notes
To roll back a prepared transaction, you must be either the
same user that executed the transaction originally, or a
superuser. But you do not have to be in the same session that
executed the transaction.
This command cannot be executed inside a transaction block.
The prepared transaction is rolled back immediately.
All currently available prepared transactions are listed in
the pg_prepared_xacts system view.
Examples
Roll back the transaction identified by the transaction
identifier foobar:
ROLLBACK PREPARED 'foobar';