Re: regression in PG 15.1

Scott Ribe <scott_ribe@elevated-dev.com> writes:
>> On Nov 28, 2022, at 7:44 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Why do you say this is a regression?  From what I know of the partition
>> pruning logic (admittedly not a whole lot), I don't think we'd have
>> ever pruned on the basis of such a constraint.

> Because performance of the query tanked.

Compared to what?  If you said something like "it worked as I expected
in Postgres x.y", that would be something to go on.

            regards, tom lane