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From: Scott Marlowe <scott.marlowe@gmail.com>
To: emilu@encs.concordia.ca
Cc: pgsql-sql@postgresql.org
Subject: Re: case when... end in update clause?
Date: Wed, 12 Mar 2008 09:01:51 -0700
Message-ID: <dcc563d10803120901j5f6bd4as8eae1320318b7060@mail.gmail.com> (raw)
In-Reply-To: <47D7FB06.10707@encs.concordia.ca>
References: <47D7FB06.10707@encs.concordia.ca>

On Wed, Mar 12, 2008 at 8:47 AM, Emi Lu <emilu@encs.concordia.ca> wrote:
> Hello,
>
>  May I know can "case when " used by update clause. If yes, how?
>
>  I use one small Example, table: test
>  =============================
>  id
>  ==
>  5
>  6
>  8
>
>  try to update test.id
>
>
>  update test
>
>  case
>   when id =5 then SET id = 6
>  end
>  ;

would this work:

update test set id=5 where id=6;

???



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  Subject: Re: case when... end in update clause?
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