Re: Re: [HACKERS] Re: [SQL] MAX() of 0 records.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Robert B(dot) Easter" <reaster(at)comptechnews(dot)com>
Cc: Chris Bitmead <chris(at)bitmead(dot)com>, pgsql-bugs(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Re: [HACKERS] Re: [SQL] MAX() of 0 records.
Date: 2000-07-07 18:12:34
Message-ID: 11091.962993554@sss.pgh.pa.us
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"Robert B. Easter" <reaster(at)comptechnews(dot)com> writes:
> If you use min(x) or max(x) frequently, isn't it best to make a
> trigger that intercepts x on insert and update, then check it and
> store it somewhere rather than scanning for it everytime?

I believe that's exactly what the original questioner is trying to do...

regards, tom lane

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