From: Jaime Casanova <el_vigia_ec@hotmail.com>
To: tgl@sss.pgh.pa.us
Cc: pgsql-sql@postgresql.org
Subject: Re: query with =ALL
Date: Mon, 14 Jun 2004 19:53:41 +0000
Message-ID: <BAY8-F43IO1PH5phq9d0003307c@hotmail.com> (raw)
Hi all,
> > AND
> > CPA.cur_paralelo = ALL (SELECT cur_paralelo FROM aca_t_curso ...)
>
>Wait a second ... we are all overthinking the problem. The subselect
>returns three *different* values. It is not possible for any
>CPA.cur_paralelo values to be simultaneously equal to all three.
>So this test certainly fails at every row of CPA.
>
>Perhaps you meant "= ANY"?
Not really becuase ANY has the same efect that IN and what i want is all the
results that are equal in all the rows in any of the cur_paralelo values.
But must be in all the cur_paralelo or nothing.
thanx in advance,
Jaime Casanova
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To: pgsql-sql@postgresql.org
Cc: el_vigia_ec@hotmail.com, tgl@sss.pgh.pa.us
Subject: Re: query with =ALL
In-Reply-To: <BAY8-F43IO1PH5phq9d0003307c@hotmail.com>
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