On Mon, Jun 15, 2009 at 11:34:38AM -0400, Tom Lane wrote: > David Fetter <da...@fetter.org> writes: > > * It's going to a lot of trouble to allow for the possibility of both > > unordered results and of duplicate lines. If we disallow duplicate > > lines in unordered result sets, we can get a big speed gain by using > > hash-based comparisons. > > Why not just sort the lines and compare?
Good point :) Cheers, David. -- David Fetter <da...@fetter.org> http://fetter.org/ Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter Skype: davidfetter XMPP: david.fet...@gmail.com Remember to vote! Consider donating to Postgres: http://www.postgresql.org/about/donate -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
