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Re: Group by failing on Null values

From: Rosser Schwarz <rosser(dot)schwarz(at)gmail(dot)com>
To: Caleb Simonyi-Gindele <csg(at)bordervet(dot)ca>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: Group by failing on Null values
Date: 2004-07-19 22:29:32
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-sql
while you weren't looking, Caleb Simonyi-Gindele <csg(at)bordervet(dot)ca> wrote:

> How do I get it to produce a row even when dat_staff_code is null?

try something like

SELECT coalesce(dat_staff_code, 0)...GROUP BY dat_staff_code

That will substitute a zero for any NULL value in that column, which
GROUP BY should then pick up.



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