From: Bruno Wolff III <bruno@wolff.to>
To: pgsql-sql@postgresql.org
Subject: Re: How to make a IN without a table... ?
Date: Sun, 8 Jun 2003 06:11:13 -0500
Message-ID: <20030608111113.GA14337@wolff.to> (raw)
In-Reply-To: <20030604145901.GB766@apartia.fr>
References: <20030604145901.GB766@apartia.fr>
On Wed, Jun 04, 2003 at 16:59:02 +0200,
David Pradier <dpradier@apartia.fr> wrote:
>
> In short, i want to calculate the result of the function my_function for
> some values of my_var1, cross by some values of my_var2.
> These values are not taken in a table, but put in directly.
> They are a lot, so i would prefer not to write the whole thing, line
> after line. (Let's say 10 values for the first, and 40 for the second =>
> 400 lines of code to maintain...)
>
> I really don't see how to do this :-/
You could programatically generate the sql code and use union
(e.g. (select 1 union select 2 union select 3 union select 4))
to join the rows together or you could write a set returning
function.
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To: pgsql-sql@postgresql.org
Cc: bruno@wolff.to
Subject: Re: How to make a IN without a table... ?
In-Reply-To: <20030608111113.GA14337@wolff.to>
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