I am attempting to crete a trigger that fills a field with "unknown" if a
update leaves it empty.
the trigger I tried is shown below, but it does not seem to work. Any ideas
what I am doing wrong?
Thanks - JZ


  $query = "CREATE TRIGGER update_editby AFTER INSERT ON employee
     BEGIN
       UPDATE employee SET editby = 'unknown' WHERE editby = '' AND rowid =
new.rowid; 
     END;
 ";
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