pgsql: Doc: mention that extended stats aren't used for joins

Поиск
Список
Период
Сортировка
От David Rowley
Тема pgsql: Doc: mention that extended stats aren't used for joins
Дата
Msg-id E1qC8YA-002yy4-Ln@gemulon.postgresql.org
обсуждение исходный текст
Список pgsql-committers
Дерево обсуждения 
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(+)

В списке pgsql-committers по дате отправления:

Предыдущее
От: David Rowley
Дата:
Сообщение: pgsql: Doc: mention that extended stats aren't used for joins
Следующее
От: Amit Kapila
Дата:
Сообщение: pgsql: Doc: Clarify the behavior of triggers/rules in a logical subscri