| From: | Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru> |
|---|---|
| To: | Yuya Watari <watari(dot)yuya(at)gmail(dot)com>, David Rowley <dgrowleyml(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: [PoC] Reducing planning time when tables have many partitions |
| Date: | 2022-11-07 06:21:14 |
| Message-ID: | 807448d9-ccff-0fcc-e656-dc61f7f79052@postgrespro.ru |
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| Thread: | |
| Lists: | pgsql-hackers |
On 2/11/2022 15:27, Yuya Watari wrote:
> Hello,
>
> I noticed that the previous patch does not apply to the current HEAD.
> I attached the rebased version to this email.
>
I'm still in review of your patch now. At most it seems ok, but are you
really need both eq_sources and eq_derives lists now? As I see,
everywhere access to these lists guides by eclass_source_indexes and
eclass_derive_indexes correspondingly. Maybe to merge them?
--
regards,
Andrey Lepikhov
Postgres Professional
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