Hi. 

I need to set a value in a trigger if a column is explicitly NOT specified in 
UPDATE's SET-clause. 


Like for example having a "BEFORE UPDATE OF NOT" 
create TRIGGER my_trigger BEFORE UPDATE OF NOT modified ON my_table FOR EACH 
ROW WHEN(OLD.val <> NEW.val) EXECUTE PROCEDURE do_stuff(); 


I want the trigger to be fired when the column "modified" is NOT specified, is 
it possible? 
Or - is it possible to check for this in the trigger-function? 

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Andreas Joseph Krogh 
CTO / Partner - Visena AS 
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