From: Thomas Kellerer <spam_eater@gmx.net>
To: pgsql-sql@postgresql.org
Subject: Re: How change col name during query to use it in where clause
Date: Fri, 04 May 2012 15:05:43 +0200
Message-ID: <jo0k46$qhf$1@dough.gmane.org> (raw)
In-Reply-To: <4FA3AEA9.6010401@marcelruff.info>
References: <4FA3AEA9.6010401@marcelruff.info>
Marcel Ruff, 04.05.2012 12:25:
> Hi,
>
> is an alias name not usable in the where clause?
>
> select EXTRACT(day from enddate::TIMESTAMP - old_enddate::TIMESTAMP) AS TAGE from account_h where TAGE>5;
> ERROR: column "tage" does not exist
> LINE 1: ... TAGE>5 ...
You need to wrap the query:
select *
from (
select EXTRACT(day from enddate::TIMESTAMP - old_enddate::TIMESTAMP) AS TAGE
from account_h
) t
where TAGE > 5;
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To: pgsql-sql@postgresql.org
Cc: spam_eater@gmx.net
Subject: Re: How change col name during query to use it in where clause
In-Reply-To: <jo0k46$qhf$1@dough.gmane.org>
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