Check if the recording is locked

Hi, I was wondering just that if anyone would be able to tell me if there is a method to check if a specified record locked?

Any guidance is welcome.

Thank you.

You can use SELECT... FOR UPDATE NOWAIT. and catch the ORA-00054 exception.

DECLARE
  v_temp VARCHAR2(1);

  CURSOR c_get_rows_to_lock IS
  SELECT 'X'
    FROM YourTable
   WHERE some_pk = :YourBlock.some_pk
   FOR UPDATE NOWAIT;

BEGIN

    IF :YourBlock.seq_no IS NOT NULL THEN
         OPEN c_get_rows_to_lock;
         FETCH c_get_rows_to_lock INTO v_temp;
         CLOSE c_get_rows_to_lock;
    END IF;

EXCEPTION
    WHEN OTHERS THEN
     IF SQLCODE = '-54' THEN
       MESSAGE('Record currently in use');
     -- Otherwise, show the message code and message
     ELSE
        MESSAGE(SQLCODE||':'||SQLERRM);
     END IF;

END;

See also, at the end of the link below.

http://asktom.Oracle.com/pls/asktom/f?p=100:11:0:P11_QUESTION_ID:2247028425532

I hope that helps!

Published by: 301800 on November 24, 2010 10:59

Tags: Oracle Development

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