combination of parameters is one that it can handle. I'm thinking perhaps in lieu of a boolean, we can add another indexam method which, if not InvalidOid, gets called when we're wondering about whether a given clause is something that the index can order by. Although knngist focuses on a the ORDER BY col OP constant case, which
Hmm, interesting idea. To be more general, amcanorder (without byop suffix) could be eliminated too.
-- Teodor Sigaev E-mail: teo...@sigaev.ru WWW: http://www.sigaev.ru/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers