| From: | Alexander Korotkov <aekorotkov(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Ronan Dunklau <ronan(dot)dunklau(at)aiven(dot)io>, pgsql-hackers(at)lists(dot)postgresql(dot)org, Michael Paquier <michael(at)paquier(dot)xyz> |
| Subject: | Re: Fix gin index cost estimation |
| Date: | 2023-01-08 19:53:00 |
| Message-ID: | CAPpHfdtVJrC=FeoTudQdfadTa-omn2onk-B7bhCvV_3i3SqHTw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Jan 8, 2023 at 7:08 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Alexander Korotkov <aekorotkov(at)gmail(dot)com> writes:
> > I'm going to push this and backpatch to all supported versions if no objections.
>
> Push yes, but I'd counsel against back-patching. People don't
> generally like unexpected plan changes in stable versions, and
> that's what a costing change could produce. There's no argument
> that we are fixing a failure or wrong answer here, so it doesn't
> seem like back-patch material.
Pushed to master, thank you. I've noticed the reason for
non-backpatching in the commit message.
------
Regards,
Alexander Korotkov
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