On Mon, Nov 15, 2010 at 10:13:40AM -0500, Tom Lane wrote: > Itagaki Takahiro <itagaki.takah...@gmail.com> writes: > > Another issue for sorting is that we have 4 kinds of sorting: ASC/DESC > > and NULLS FIRST/LAST. > > We have a lot more kinds than that. See USING.
USING pretty much gives us no chance of optimizing at all. Could we maybe see about optimizing the 99% case, which those two bits cover? 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 iCal: webcal://www.tripit.com/feed/ical/people/david74/tripit.ics 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
