ROLLBACK v16
Name
ROLLBACK — Abort the current transaction.
Synopsis
ROLLBACK [ WORK ]
Description
ROLLBACK rolls back the current transaction and discards all the updates made by the transaction.
Parameters
WORK
Optional keyword that has no effect.
Notes
Use COMMIT to successfully terminate a transaction.
Issuing ROLLBACK when not inside a transaction does no harm.
Note
Executing a ROLLBACK in a plpgsql procedure throws an error if there's an Oracle-style SPL procedure on the runtime stack.
Examples
Abort all changes:
ROLLBACK;