From: David Rowley <drowley@postgresql.org>
To: pgsql-committers@lists.postgresql.org
Subject: pgsql: Doc: mention that extended stats aren't used for joins
Date: Thu, 22 Jun 2023 00:51:51 +0000
Message-ID: <E1qC8YA-002yy4-Ln@gemulon.postgresql.org> (raw)
Doc: mention that extended stats aren't used for joins
Statistics defined by the CREATE STATISTICS command are only used to
assist with the selectivity estimations of base relations, never for
joins. Here we mention this fact in the notes section of the CREATE
STATISTICS command.
Discussion: https://postgr.es/m/CAApHDvrMuVgDOrmg_EtFDZ=AOovq6EsJNnHH1ddyZ8EqL4yzMw@mail.gmail.com
Backpatch-through: 11
Branch
------
REL_11_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/59634df871a4a63af679ddace44ded7492fd83bc
Modified Files
--------------
doc/src/sgml/ref/create_statistics.sgml | 6 ++++++
1 file changed, 6 insertions(+)
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To: pgsql-committers@postgresql.org
Cc: drowley@postgresql.org, pgsql-committers@lists.postgresql.org
Subject: Re: pgsql: Doc: mention that extended stats aren't used for joins
In-Reply-To: <E1qC8YA-002yy4-Ln@gemulon.postgresql.org>
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