Обсуждение: pgsql: docs: mention that expression indexes need analyze

docs: mention that expression indexes need analyze

Expression indexes can't benefit from pre-computed statistics on
columns.

Reported-by: Nikolay Samokhvalov

Discussion: https://postgr.es/m/CANNMO++5rw9RDA=p40iMVbMNPaW6O=S0AFzTU=KpYHRpCd1voA@mail.gmail.com

Author: Nikolay Samokhvalov, modified

Backpatch-through: 9.5

Branch
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REL_10_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/64ac51a1791fa2059c843e5e5533fb7c70bda699

Modified Files
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doc/src/sgml/ref/create_index.sgml | 10 ++++++++++
1 file changed, 10 insertions(+)