]> 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 00:47:15 +0000 (12:47 +1200)
committerDavid Rowley <drowley@postgresql.org>
Thu, 22 Jun 2023 00:47:15 +0000 (12:47 +1200)
commit4e17cb00dc2b57f0ac1bbe3c1fd587e982b33307
tree99deec702bd90458a8163754661bee415ba34a7b
parent642bec1f8dd2e05b769a4ed3b42ef0fe57804647
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