]> git.ipfire.org Git - thirdparty/postgresql.git/commit
Doc: mention that extended stats aren't used for joins
authorDavid Rowley <drowley@postgresql.org>
Thu, 22 Jun 2023 00:47:53 +0000 (12:47 +1200)
committerDavid Rowley <drowley@postgresql.org>
Thu, 22 Jun 2023 00:47:53 +0000 (12:47 +1200)
commit8145b5e138c7f26594fb93e11e6ebd5bf2aba586
treee2099cf99ceadfdf1714c7dca4bb7a0a667e1503
parent63fa0deb31c4b18a6dbf15fc8ff64ac010ea77b2
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
doc/src/sgml/ref/create_statistics.sgml