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2.3.68 ROLLBACK
ROLLBACK -- abort the current transaction
ROLLBACK rolls back the current transaction and causes all the updates made by the transaction to be discarded.
Use COMMIT to successfully terminate a transaction.
Issuing ROLLBACK when not inside a transaction does no harm.
Please note: Executing a ROLLBACK in a plpgsql procedure will throw an error if there is an Oracle-style SPL procedure on the runtime stack.


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