Stephen Frost <sfr...@snowman.net> writes: > I don't see why the last case can't use the index.
The planner's understanding of regexps is far weaker than yours. (In particular, I think it's set up to abandon optimization if it sees | anywhere.) regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers