Re: update syntax

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: chester c young <chestercyoung(at)yahoo(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: update syntax
Date: 2002-01-27 00:37:45
Message-ID: 200201270037.g0R0bj706252@candle.pha.pa.us
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chester c young wrote:
> how in pgsql do you do Oracle's
>
> update t1 set ( c2, c3 ) =
> ( select c2, c3 from t1 where t1.c1 = t2.c1 );

Well, because we have FROM in UPDATE:

UPDATE t1 SET c2 = t2.c2, c3 = t2.c3
FROM t1 t2
WHERE t1.c1 = t2.c1;


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