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Proof of concept for MIN/MAX optimization

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-patches(at)postgreSQL(dot)org
Subject: Proof of concept for MIN/MAX optimization
Date: 2005-04-11 05:40:42
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-patches
I haven't done the work yet to add a column to pg_aggregate, so this
just knows about optimizing a couple of hard-wired cases (int4 and
text).  Other than that it's reasonably complete, I think.  Comments?

			regards, tom lane

Attachment: minmax-0.patch.gz
Description: application/octet-stream (11.4 KB)


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