On Sat, Jul 05, 2008 at 07:04:29PM +0900, H.Harada wrote: > Hi, > > As I proposed a month before, I am working on window function. > Although this work is at quite early step, I would like to introduce > it since a part of it have been finished. If you can afford and are > interested in it, please review the document and patch, or compile the > applied source to execute an attached sample SQL. > > http://umitanuki.net/pgsql/wfv01/design.html > > Currently, only aggregation over window does work. I am planning to > work for the combination of window and normal aggregation from now on, > which I guess I can manage to do. > > The problem is, as written in the "Things to discussed" section of the > document, how you define window functions (e.g. RANK()). My idea is to > treat them as specialized functions such as SET OF functions and mark > it in pg_proc. But this doesn't resolve RANK() boundary problem. > > I am so happy with any kind of comments, reviews or critiques. > > Regards,
Many people have been waiting for years for this functionality. Thanks so much for doing this. When will you have another patch that applies against CVS HEAD? Cheers, David. -- David Fetter <[EMAIL PROTECTED]> http://fetter.org/ Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter Skype: davidfetter XMPP: [EMAIL PROTECTED] 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
