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ROLLBACK PREPARED

Updated at:May 15, 2019 GMT+08:00

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.

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