ABORT
ABORT
ABORT - abort the current transaction
Synopsis
ABORT [ WORK | TRANSACTION ] [ AND [ NO ] CHAIN ]
Description
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.
Parameters
-
WORK
TRANSACTION -
Optional key words. They have no effect.
-
AND CHAIN -
If
AND CHAINis specified, a new transaction is immediately started with the same transaction characteristics (seeSET TRANSACTION) as the just finished one. Otherwise, no new transaction is started.
Notes
Use
COMMIT
to
successfully terminate a transaction.
Issuing
ABORT
outside of a transaction block
emits a warning and otherwise has no effect.
Examples
To abort all changes:
ABORT;
Compatibility
This command is a
PostgreSQL
extension
present for historical reasons.
ROLLBACK
is the
equivalent standard SQL command.