Re: Join a varchar array

From: Richard Huxton <dev(at)archonet(dot)com>
To: Robin Ericsson <robin(dot)ericsson(at)profecta(dot)se>
Cc: Postgres general mailing list <pgsql-general(at)postgresql(dot)org>
Subject: Re: Join a varchar array
Date: 2004-06-17 09:38:10
Message-ID: 40D16682.2040606@archonet.com
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Robin Ericsson wrote:
> Hi,
>
> I have a field in which I save the follow:
> {{8,0.58},{9,972420},{10,239544},{6,0.49},{7,0.63}}
>
> The first field is a reference to an id in another table and the second
> field is a value.
>
> Can these values be used somehow in a select query to join the other
> table?

You appear to be using the array as a replacement for a table. Don't do
that. From the little information you've provided, it looks like you
want a separate table (a_ref, b_ref, float_val) where a_ref references
the current table, b_ref the other table.

--
Richard Huxton
Archonet Ltd

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