From: | Bruno Wolff III <bruno(at)wolff(dot)to> |
---|---|
To: | Aarni Ruuhimäki <aarni(at)kymi(dot)com> |
Cc: | pgsql-novice(at)postgresql(dot)org |
Subject: | Re: Querying a list field against another list |
Date: | 2004-11-26 15:53:56 |
Message-ID: | 20041126155356.GB26221@wolff.to |
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Lists: | pgsql-novice |
On Fri, Nov 26, 2004 at 15:52:31 +0200,
Aarni Ruuhimäki <aarni(at)kymi(dot)com> wrote:
> Hi people,
>
> This is not quite a pg question, but any suggestions are most welcome.
>
> How can one query a list of values against a db field that contains a list of
> values ?
You really want to redesign your database so that the foo_id da_list
relationship only has one foo_id da_list item per row.
>
>
> Table foo
>
> foo_id | foo_name | da_list
> --------------------------------------
> 1 | x | 1,2,3,4,5
> 2 | y | 1,4,5
> 3 | z | 4,5,11
> 4 | xyz | 14,15,33
>
> As a result from another query I have parameter bar = '1,4' and want to find
> all rows from foo where da_list contains '1' or '4'. So loop over bar to loop
> over da_list in foo ?
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