Обсуждение: pgsql: Mention statistics objects in maintenance.sgml

Mention statistics objects in maintenance.sgml

The docs mentioned expression indexes as a way to improve selectivity
estimates for functions, but we have a second option to improve that by
creating extended statistics. So mention that too.

Reported-by: Justin Pryzby
Discussion: https://postgr.es/m/20210505210947.GA27406%40telsasoft.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/44f90ad092f95fe19bebb51465193bc63849c15f

Modified Files
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doc/src/sgml/maintenance.sgml | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)