I have a trigger to post to the data block request...

BEGIN
     IF :SECTION IS NOT NULL THEN
          SELECT DESCRIPTION INTO :BOROUGH FROM C_LOV_BOROUGH WHERE :SECTION = SECTION;
     END IF;
END;

Table C_LOV_BOROUGH has many lines

When I scroll quickly after querying data...
I get the error ORA-01403, after than scrolling up and down... it disappears... someone can help?

Use a slider instead of direct SQL SELECT as if you can't find all the lines, would not raise an exception, or use an exception handler to handle all exceptions silk-screened - found.

DECLARE
 CURSOR c_get_desc IS
   SELECT DESCRIPTION
     FROM C_LOV_BOROUGH
   WHERE SECTION = :SECTION;
BEGIN
IF :SECTION IS NOT NULL THEN
  OPEN c_get_desc;
  FETCH c_get_desc INTO :BOROUGH;
  CLOSE c_get_desc;
END IF;
END;

Second method:

BEGIN
  IF :SECTION IS NOT NULL THEN
    SELECT DESCRIPTION INTO :BOROUGH
      FROM C_LOV_BOROUGH
   WHERE SECTION = :SECTION;
  END IF;
EXCEPTION
  WHEN NO_DATA_FOUND THEN NULL;
END;

Cursor is safer than direct SELECT SELECT because maybe meet TOO_MANY_ROWS exceptions too... but if you use the slider, he realized the first found line extraction and populate the BOROUGH and if it does not find anything, it won't throw an exception.

Tags: Oracle Development

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