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Re: index usage

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Ben <bench(at)silentmedia(dot)com>
Cc: Daniel Caune <daniel(dot)caune(at)ubisoft(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: index usage
Date: 2006-07-28 21:06:55
Message-ID: 1236.1154120815@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-performance
Ben <bench(at)silentmedia(dot)com> writes:
> It's volatile, but it will always return an integer.

If it's volatile then it can't be used for an index condition.

			regards, tom lane

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