| From: | Alena Rybakina <a(dot)rybakina(at)postgrespro(dot)ru> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Peter Geoghegan <pg(at)bowt(dot)ie>, Andres Freund <andres(at)anarazel(dot)de>, Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Andrei Lepikhov <lepihov(at)gmail(dot)com>, Ivan Kush <ivan(dot)kush(at)tantorlabs(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
| Subject: | Re: Replace IN VALUES with ANY in WHERE clauses during optimization |
| Date: | 2025-04-04 16:30:47 |
| Message-ID: | b972df06-468b-4e18-9f58-f70abc75415f@postgrespro.ru |
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| Lists: | pgsql-hackers |
On 04.04.2025 19:00, Tom Lane wrote:
> Peter Geoghegan<pg(at)bowt(dot)ie> writes:
>> Is somebody going to commit this soon? Alexander?
> Done.
>
> I thought the point of the test case was to check VALUES folding
> on both sides of the join. I'm not sure why that's actually
> a useful expenditure of test cycles, but Alena's patch undid that
> without adjusting the comment claiming that's what it's doing.
> So I kept the shape of the test the same while substituting
> hopefully-stabler tables as she did.
Yes, that's right. Thank you.
> If it's still not stable I think the next step is to nuke both
> test queries, since I remain of the opinion that they're likely
> a waste of cycles.
>
>
Agree.
--
Regards,
Alena Rybakina
Postgres Professional
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