BTW, gincostestimate could use that information for cost estimation, but is index opening and metapge reading in amcostestimate acceptable?That sounds reasonable to me. I think that's what the index-specificcost estimators are for.
Done.
Do you expect a performance impact?
I'm afraid for that and will test tomorrow. But statistic from index is exact. -- Teodor Sigaev E-mail: teo...@sigaev.ru WWW: http://www.sigaev.ru/
fast_insert_gin-0.24.gz
Description: Unix tar archive
-- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers