At Tue, 12 Jan 2021 20:36:58 +0900, torikoshia <torikoshia@oss.nttdata.com> wrote in
> I suppose it would be normal practice to store past results of
> pg_stat_statements for future comparisons.
> If this is the case, I think that if we only add the number of
> generic plan execution, it will give us a hint to notice the cause
> of performance degradation due to changes in the plan between
> generic and custom.
Agreed.
> Attached a patch that just adds a generic call counter to
> pg_stat_statements.
>
> Any thoughts?
Note that ActivePortal is the closest nested portal. So it gives the
wrong result for nested portals.
regards.
--
Kyotaro Horiguchi
NTT Open Source Software Center