| From: | Andrey Borodin <x4mmm(at)yandex-team(dot)ru> |
|---|---|
| To: | Пантюшин Александр Иванович <AI(dot)Pantyushin(at)gaz-is(dot)ru> |
| Cc: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Тарасов Георгий Витальевич <Tarasov-G(at)gaz-is(dot)ru> |
| Subject: | Re: Wrong rows count in EXPLAIN |
| Date: | 2022-04-27 10:39:00 |
| Message-ID: | DDC7FAF0-76CF-4EE9-B145-A42926DBB6FE@yandex-team.ru |
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| Lists: | pgsql-hackers |
> 27 апр. 2022 г., в 15:17, Пантюшин Александр Иванович <AI(dot)Pantyushin(at)gaz-is(dot)ru> написал(а):
>
> Hi,
> >Which Postgres version do you use?
> I checked this on PG 11
> ...
> and on PG 13
Yes, I think before 3d351d91 it was impossible to distinguish between actually empty and never analyzed table.
But now it is working just as you would expect. There's an interesting relevant discussion linked to the commit message.
Best regards, Andrey Borodin.
[0] https://github.com/postgres/postgres/commit/3d351d916b20534f973eda760cde17d96545d4c4
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