Re: MAX/MIN optimization via rewrite (plus query rewrites generally)

From: "Zeugswetter Andreas DAZ SD" <ZeugswetterA(at)spardat(dot)at>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Mark Kirkwood" <markir(at)coretech(dot)co(dot)nz>
Cc: <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: MAX/MIN optimization via rewrite (plus query rewrites generally)
Date: 2004-11-11 10:18:13
Message-ID: 46C15C39FEB2C44BA555E356FBCD6FA40184D227@m0114.s-mxs.net
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers


> How are you planning to represent the association between MIN/MAX and
> particular index orderings in the system catalogs?

Don't we already have that info to decide whether an index handles
an "ORDER BY" without a sort node ?

Andreas

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Gevik Babakhani 2004-11-11 13:20:22 newbie compile question. please help
Previous Message John Hansen 2004-11-11 09:56:13 Re: ltree PostgreSQL Module