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ABORT(7) PostgreSQL 12.2 Documentation ABORT(7)

ABORT - abort the current transaction

ABORT [ WORK | TRANSACTION ] [ AND [ NO ] CHAIN ]

ABORT rolls back the current transaction and causes all the updates made by the transaction to be discarded. This command is identical in behavior to the standard SQL command ROLLBACK(7), and is present only for historical reasons.

WORK
TRANSACTION
Optional key words. They have no effect.

AND CHAIN

If AND CHAIN is specified, a new transaction is immediately started with the same transaction characteristics (see SET TRANSACTION (SET_TRANSACTION(7))) as the just finished one. Otherwise, no new transaction is started.

Use COMMIT(7) to successfully terminate a transaction.

Issuing ABORT outside of a transaction block emits a warning and otherwise has no effect.

To abort all changes:

ABORT;

This command is a PostgreSQL extension present for historical reasons. ROLLBACK is the equivalent standard SQL command.

BEGIN(7), COMMIT(7), ROLLBACK(7)
2020 PostgreSQL 12.2