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Historical version. PostgreSQL 9.4 reached end of support in February 2020. See the current version for supported releases.
PostgreSQL 9.4.26 Documentation
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ROLLBACK

Name

ROLLBACK -- abort the current transaction

Synopsis

ROLLBACK [ WORK | TRANSACTION ]

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.

Notes

Use COMMIT to successfully terminate a transaction.

Issuing ROLLBACK outside of a transaction block emits a warning and otherwise has no effect.

Examples

To abort all changes:

ROLLBACK;

Compatibility

The SQL standard only specifies the two forms ROLLBACK and ROLLBACK WORK. Otherwise, this command is fully conforming.

See Also

BEGIN, COMMIT, ROLLBACK TO SAVEPOINT
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REVOKE Up ROLLBACK PREPARED

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