"Harpreet Dhaliwal" <harpreet(dot)dhaliwal01(at)gmail(dot)com> writes:
> I want this trigger to fire only when after Insert this field 'source'
> has value = 'from', otherwise trigger should not be fired at all.
> Just wondering if its really possible?
No, and it seems pretty silly as a feature request. Why don't you just
put the test in the trigger, and have it do nothing when you don't want
it to do anything?
regards, tom lane