Re: Removing unneeded self joins

From: Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru>
To:
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Removing unneeded self joins
Date: 2020-01-28 04:10:07
Message-ID: 9315b1bc-f134-93aa-ed38-0d6a08719058@postgrespro.ru
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Rebased version v.22.
- Added enable_self_join_removal GUC (true is default)
- The joinquals of the relation that is being removed, redistributed in
accordance with the remove_rel_from_query () machinery.

--
Andrey Lepikhov
Postgres Professional
https://postgrespro.com
The Russian Postgres Company

Attachment Content-Type Size
0001-Remove-self-joins-v.22.patch text/x-patch 76.2 KB

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