| From: | Andrei Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru> |
|---|---|
| To: | Richard Guo <guofenglinux(at)gmail(dot)com> |
| Cc: | Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Alexander Lakhin <exclusion(at)gmail(dot)com>, "Gregory Stark (as CFM)" <stark(dot)cfm(at)gmail(dot)com>, Michał Kłeczek <michal(at)kleczek(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: Removing unneeded self joins |
| Date: | 2024-02-21 07:59:45 |
| Message-ID: | dc465c1a-c9dc-4f57-af73-9c5f1cd0854a@postgrespro.ru |
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| Lists: | pgsql-hackers |
On 21/2/2024 14:26, Richard Guo wrote:
> This patch also includes some cosmetic tweaks for SJE test cases. It
> does not change the test cases using catalog tables though. I think
> that should be a seperate patch.
Thanks for this catch, it is really messy thing, keeping aside the
question why we need two different subtrees for the same query.
I will look into your fix.
--
regards,
Andrei Lepikhov
Postgres Professional
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