> > On Feb 26, 2010, at 0:55 , Дмитрий Фефелов wrote: > > > http://developer.postgresql.org/pgdocs/postgres/release-9-0.html > > > > Performance section: > > > >> Simplify the forms foo <> true and foo <> false to foo = false and > >> foo = true during query optimization. > > > > Will it work correct;ly when foo is NULL? > > It shouldn't have any effect: NULL <> anything and NULL = anything is > NULL
I already got it, dumb question ;)) -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
