From: Christoph Haller <ch@rodos.fzk.de>
To: traderx@gmx.ch
Cc: pgsql-sql@postgresql.org
Subject: Re: Variables in PSQL
Date: Wed, 10 Jul 2002 13:00:42 METDST
Message-ID: <200207101100.NAA06951@rodos> (raw)
In-Reply-To: <3d299272$0$1005$7402020d@newsfeed.sunrise.ch>
>
> I'm trying to declare a variable in PostgreSQL, so I can save some values in
> it. After, I want to calculate with this variable.
> For example:
>
> declare vp integer;
> select price into :vp from article where anr = 1;
> vp := vp + 1;
> update article set price = :vp where anr = 1;
AFAIK, you can do stuff like this only within a function.
>
> Is there a posibility to do that without creating a funktion?
What about
update article set price =
(select price + 1 from article where anr = 1)
where anr = 1;
Regards, Christoph
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To: pgsql-sql@postgresql.org
Cc: ch@rodos.fzk.de, traderx@gmx.ch
Subject: Re: Variables in PSQL
In-Reply-To: <200207101100.NAA06951@rodos>
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