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: Fri, 28 Jul 2006 17:06:55 -0400
- Message-id: <1236.1154120815@sss.pgh.pa.us> <text/plain>
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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