Question

I’m running a stored procedure and have ran into a problem with the following line:

SELECT photo_data_id 
  INTO gallery_rel_id_check 
  FROM photo_data 
 WHERE object_type = 4 
   AND data_id = 0 
   AND photo_id = row_photo_id LIMIT 1;

In some cases, this query will return 0 rows and thus gallery_rel_id_check doesn’t get a value assigned to it.

For some odd reason, this seems to stop the stored procedure. Should I be assigning gallery_rel_id_check in a different way as I need to use it later in the procudure to check to see if its > 0

Thanks

Answer 1

credit goes to @Paolo Bergantino

Just use:

SET gallery_rel_id_check = (SELECT…);