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ROLLBACK PREPARED(7) | PostgreSQL 9.6.12 Documentation | ROLLBACK PREPARED(7) |
NAME¶
ROLLBACK_PREPARED - cancel a transaction that was earlier prepared for two-phase commitSYNOPSIS¶
ROLLBACK PREPARED transaction_id
DESCRIPTION¶
ROLLBACK PREPARED rolls back a transaction that is in prepared state.PARAMETERS¶
transaction_idThe 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';
COMPATIBILITY¶
ROLLBACK PREPARED is a PostgreSQL extension. It is intended for use by external transaction management systems, some of which are covered by standards (such as X/Open XA), but the SQL side of those systems is not standardized.SEE ALSO¶
PREPARE TRANSACTION (PREPARE_TRANSACTION(7)), COMMIT PREPARED (COMMIT_PREPARED(7))2019 | PostgreSQL 9.6.12 |