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From: Jasen Betts <jasen@xnet.co.nz>
To: pgsql-sql@postgresql.org
Subject: Re: Conditional expression in an UPDATE statement
Date: 7 Feb 2013 06:41:30 GMT
Message-ID: <keviaq$8bh$3@gonzo.reversiblemaps.ath.cx> (raw)
References: <CAAY=A7_J_=RH5Uy2DhkAB6TuSPxwqG97CKYWr6FPmrgAWxu-3A@mail.gmail.com>
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On 2013-02-07, JORGE MALDONADO <jorgemal1960@gmail.com> wrote:

> Can I use a conditional expression in an UPDATE query like this:
>
> UPDATE table_1 SET
> field_1 =
> CASE WHEN (condition) THEN (COALESCE(query_1, -1))
>           ELSE (COALESCE(query_1, -2))
> END
>

yesh, that should work.

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