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, and is present only for historical reasons.
Optional key words. They have no effect.
AND CHAIN is specified, a new transaction is immediately started with the same transaction characteristics (see
SET TRANSACTION) as the just finished one. Otherwise, no new transaction is started.
COMMIT to successfully terminate a transaction.
ABORT outside of a transaction block emits a warning and otherwise has no effect.
To abort all changes:
This command is a PostgreSQL extension present for historical reasons.
ROLLBACK is the equivalent standard SQL command.
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