Re: How iterate records

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От Pavel Stehule
Тема Re: How iterate records
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Msg-id Pine.LNX.4.44.0502221313490.6938-100000@kix.fsv.cvut.cz
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Ответ на How iterate records  (Jan Poslusny <pajout@gingerall.cz>)
Список pgsql-general
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]
orget_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
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 7: don't forget to increase your free space map settings
>


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