Re: Select from function for part of column results

From: "Oisin Glynn" <me(at)oisinglynn(dot)com>
To: "Rory Campbell-Lange" <rory(at)campbell-lange(dot)net>, "Postgresql General List" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Select from function for part of column results
Date: 2005-02-03 20:25:34
Message-ID: 006701c50a2e$8ac50bf0$a974fea9@homisco.local
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I have something simlar working on windows in V 8.0
My select loks like:

SELECT *,function_message_context(inbox.rowid) from inbox;

Hope this helps.

Oisin
----- Original Message -----
From: "Rory Campbell-Lange" <rory(at)campbell-lange(dot)net>
To: "Postgresql General List" <pgsql-general(at)postgresql(dot)org>
Sent: Thursday, February 03, 2005 15:04
Subject: [GENERAL] Select from function for part of column results

> I've written a function to provide information relating to each row in
> an inbox. I'd like to do a query returning some information from each
> row of the inbox + some columns from the function pertinent to each row
> returned.
>
> I've tried the following on 7.4.6:
>
> t4=> select * from function_message_context(inbox.rowid), inbox;
> ERROR: function expression in FROM may not refer to other
> relations of same query level
>
> Is there a way I can get the function to provide some columns in the
> query?
>
> Thanks
> Rory
>
> --
> Rory Campbell-Lange
> <rory(at)campbell-lange(dot)net>
> <www.campbell-lange.net>
>
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