ROLLBACK — abort the current transaction
ROLLBACK [ WORK | TRANSACTION ] [ AND [ NO ] CHAIN ]
ROLLBACK rolls back the current transaction and causes all the updates made by the transaction to be discarded.
COMMIT to successfully terminate a transaction.
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.
To abort all changes:
ROLLBACK conforms to the SQL standard. The form
ROLLBACK TRANSACTION is a PostgreSQL extension.
If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue.