Mark Mielke <mark(at)mark(dot)mielke(dot)cc> writes:
> Fine - once per transaction instead of once per insert. Still, if there
> is overhead to this (updating a secondary summary table), does it really
> make sense to have it for every table?
We certainly wouldn't accept a patch that imposed this overhead on every
table.
One of the advantages of framing it as an explicit set of triggers is
that then you have a natural way of indicating which table(s) you want
the feature for (and are willing to pay the overhead to get it).
regards, tom lane