ROLLBACK PREPARED¶
Function¶
ROLLBACK PREPARED cancels a transaction ready for two-phase committing.
Precautions¶
The function is only available in maintenance mode (when GUC parameter xc_maintenance_mode is on). Exercise caution when enabling the mode. It is used by maintenance engineers for troubleshooting. Common users should not use the mode.
Only the user that initiates a transaction or the system administrator can roll back the transaction.
The transaction function is maintained automatically by the database, and should be not visible to users.
Syntax¶
ROLLBACK PREPARED transaction_id ;
Parameter Description¶
transaction_id
Specifies the identifier of the transaction to be submitted. The identifier must be different from those for current prepared transactions.