# ROLLBACK
ROLLBACK — abort the current transaction
# Synopsis
ROLLBACK [ WORK | TRANSACTION ] [ AND [ NO ] CHAIN ]
# Description
ROLLBACK
rolls back the current transaction and causes all the updates made by the transaction to be discarded.
# Parameters
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) as the just finished one. Otherwise, no new transaction is started.
# Notes
Use COMMIT
to successfully terminate a transaction.
Issuing ROLLBACK
outside of a transaction block emits a warning and otherwise has no effect. ROLLBACK AND CHAIN
outside of a transaction block is an error.
# Examples
To abort all changes:
ROLLBACK;
# Compatibility
The command ROLLBACK
conforms to the SQL standard. The form ROLLBACK TRANSACTION
is a PostgreSQL extension.