SHOW SAVEPOINT STATUS

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The SHOW SAVEPOINT STATUS statement lists the active savepoints in the current transaction.

Required privileges

No privileges are required to create or show a savepoint. However, privileges are required for each statement within a transaction.

Synopsis

SHOW SAVEPOINT STATUS

Response

The following fields are returned for each savepoint.

Field Description
savepoint_name The name of the savepoint.
is_initial_savepoint Whether the savepoint is the outermost savepoint in the transaction.

Example

  1. Open a transaction using BEGIN, and create a nested transaction using a savepoint:

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    > BEGIN;
    SAVEPOINT foo;
    
  2. Use the SHOW SAVEPOINT STATUS statement to list the active savepoints in the current nested transaction.

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    > SHOW SAVEPOINT STATUS;
    
      savepoint_name | is_initial_savepoint
    -----------------+-----------------------
      foo            |        true
    (1 row)
    

    Currently, there is only one savepoint.

  3. Commit this nested transaction by issuing the RELEASE SAVEPOINT statement, then clear the connection for the next transaction by issuing a COMMIT statement:

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    > RELEASE SAVEPOINT foo;
    COMMIT;
    

    If we did not want to commit this nested transaction, but restart it instead, we would have issued a ROLLBACK TO SAVEPOINT.

See also


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