Re: Removing unneeded self joins

From: "Andrey V(dot) Lepikhov" <a(dot)lepikhov(at)postgrespro(dot)ru>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Greg Stark <stark(at)mit(dot)edu>, Ronan Dunklau <ronan(dot)dunklau(at)aiven(dot)io>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, Hywel Carver <hywel(at)skillerwhale(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Konstantin Knizhnik <knizhnik(at)garret(dot)ru>
Subject: Re: Removing unneeded self joins
Date: 2022-03-24 05:21:54
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On 3/22/22 05:58, Andres Freund wrote:
> Hi,
> On 2022-03-04 15:47:47 +0500, Andrey Lepikhov wrote:
>> Also, in new version of the patch I fixed one stupid bug: checking a
>> self-join candidate expression operator - we can remove only expressions
>> like F(arg1) = G(arg2).
> This CF entry currently fails tests:
> Looks like you're missing an adjustment of postgresql.conf.sample
> Marked as waiting-on-author.
Thanks, I fixed it.

Andrey Lepikhov
Postgres Professional

Attachment Content-Type Size
v31-0001-Remove-self-joins.patch text/x-patch 64.0 KB

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