From: Bruno Wolff III <bruno@wolff.to>
To: Mauro Bertoli <bertolima@yahoo.it>
Cc: pgsql-sql@postgresql.org
Subject: Re: Get max value from an comma separated string
Date: Sun, 4 Jun 2006 21:12:39 -0500
Message-ID: <20060605021239.GA6293@wolff.to> (raw)
In-Reply-To: <20060529112238.61079.qmail@web27009.mail.ukl.yahoo.com>
References: <20060529112238.61079.qmail@web27009.mail.ukl.yahoo.com>
On Mon, May 29, 2006 at 13:22:38 +0200,
Mauro Bertoli <bertolima@yahoo.it> wrote:
> Hi, I've a field that contain values-comma-separated
> like
> A) 1;2;3;;5 -- ;2;;4;5
> but also
> B) 12;34;18
> how I can get the max value?
> For A I tried:
> SELECT max(array_upper(string_to_array(answer,';'),1))
> FROM values;
> and work fine, but for B case I don't find a solution
> like
> SELECT max(string_to_array(answer,';')) FROM values;
>
> Any ideas?
> Thanks for any hint
Don't store the data like that in the database if possible.
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To: pgsql-sql@postgresql.org
Cc: bruno@wolff.to, bertolima@yahoo.it
Subject: Re: Get max value from an comma separated string
In-Reply-To: <20060605021239.GA6293@wolff.to>
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