Updated on 2024-10-14 GMT+08:00
CLOSE
Function
CLOSE frees the resources associated with an open cursor.
Precautions
- After a cursor is closed, no subsequent operations are allowed on it.
- A cursor should be closed when it is no longer needed.
- Every non-holdable open cursor is implicitly closed when a transaction is terminated by COMMIT or ROLLBACK.
- A holdable cursor is implicitly closed if the transaction that created it aborts by ROLLBACK.
- If the cursor creation transaction is successfully committed, the holdable cursor remains open until an explicit CLOSE operation is executed, or the client disconnects.
- GaussDB does not have an explicit OPEN cursor statement. A cursor is considered open when it is declared. You can view all available cursors by querying the pg_cursors system view.
Syntax
1
|
CLOSE { cursor_name | ALL } ; |
Parameter Description
- cursor_name
Specifies the name of a cursor to be closed.
- ALL
Closes all open cursors.
Examples
See Examples in FETCH.
Parent topic: SQL Syntax
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