]> 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 00:51:36 +0000 (12:51 +1200)
committerDavid Rowley <drowley@postgresql.org>
Thu, 22 Jun 2023 00:51:36 +0000 (12:51 +1200)
commit59634df871a4a63af679ddace44ded7492fd83bc
treedb0cf0341869313174e603fb92572eb7a0a5cddf
parent7ddba19eb7114fd34f54986d83a1ad50b1db9537
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