"Simon Riggs" <simon(at)2ndquadrant(dot)com> writes:
> Any objections to implementing this?
Only that it was done a long time ago --- see
> It would be even better if there was some way of not executing the
> trigger at all if we knew that the UPDATE statement doesn't SET the FK
People keep suggesting that, and the counterexample is always that you
can't know what a BEFORE trigger might do to the row.
regards, tom lane
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