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Хостинг:
ABORT - abort the current transaction
ABORT [ WORK | TRANSACTION ]
ABORT rolls back the current transaction and causes all the updates made by the transaction to be discarded. This command is identical in behavior to the standard SQL command ROLLBACK [rollback(7)], and is present only for historical reasons.
Use COMMIT [commit(7)] to successfully terminate a transaction.
Issuing ABORT when not inside a transaction does no harm, but it will provoke a warning message.
To abort all changes:
ABORT;
This command is a PostgreSQL extension present for historical reasons. ROLLBACK is the equivalent standard SQL command.
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