Re: CHECK clause doesn't work with CASE clause

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "J rg Holetschek" <mail2holly(at)gmx(dot)de>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: CHECK clause doesn't work with CASE clause
Date: 2002-06-27 13:44:13
Message-ID: 25000.1025185453@sss.pgh.pa.us
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"Jrg Holetschek" <mail2holly(at)gmx(dot)de> writes:
> CASE
> WHEN ((focus <> NULL) AND (epilepsy_class = 'f')) THEN
> TRUE

Try "focus IS NOT NULL".

regards, tom lane

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