Re: Evaluate arguments of COALESCE and NULLIF only once.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Kris Jurka <books(at)ejurka(dot)com>
Cc: pgsql-patches(at)postgresql(dot)org
Subject: Re: Evaluate arguments of COALESCE and NULLIF only once.
Date: 2003-02-16 02:33:45
Message-ID: 12402.1045362825@sss.pgh.pa.us
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Kris Jurka <books(at)ejurka(dot)com> writes:
> The following patch makes COALESCE and NULLIF first class expressions with
> all the associated machinery.

Patch applied.

This was your first backend patch, wasn't it? Congratulations ---
a very fine effort! I tweaked a couple of things I didn't like
stylistically, but overall it went in as-is.

regards, tom lane

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