Re: How iterate records

From: Pavel Stehule <stehule(at)kix(dot)fsv(dot)cvut(dot)cz>
To: Jan Poslusny <pajout(at)gingerall(dot)cz>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: How iterate records
Date: 2005-02-22 12:18:57
Message-ID: Pine.LNX.4.44.0502221313490.6938-100000@kix.fsv.cvut.cz
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Hello,

use other languege. You need hash table, and hash are not implemented in
PL/pgSQL. Some examples
http://www.root.cz/clanky/plperl-postgresql-aplikacni-server/

but in czech language.

Pavel

On Tue, 22 Feb 2005, Jan Poslusny wrote:

> Hi,
> I have a problem of plpgsql usage. When I iterate through dynamic query, like this:
>
> FOR my_/record/ IN EXECUTE /text_expression/ LOOP
> /statements/
> END LOOP;
>
> I am not able to construct expression, which can get value for each 'item' of my_record, something like my_record[3] or get_item(my_record, 3), without knowledge about real names of record pieces. I know that it is not the goal of this language, but my goal is to implement some lite functions returning XML rather then something else...
>
> pajout
>
>
>
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