Re: Select rotate in PostgreSql

From: Fabrízio de Royes Mello <fabriziomello(at)gmail(dot)com>
To: Andre Lopes <lopes80andre(at)gmail(dot)com>
Cc: postgresql Forums <pgsql-general(at)postgresql(dot)org>
Subject: Re: Select rotate in PostgreSql
Date: 2013-03-13 13:38:51
Message-ID: CAFcNs+roa4AjOuB71yh+GZaDFxqmPw8NkNSdmQVZ6u7gUDoVmg@mail.gmail.com
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On Wed, Mar 13, 2013 at 10:32 AM, Andre Lopes <lopes80andre(at)gmail(dot)com>wrote:

> Hi all,
>
> I don't know how to ask for this. I need to rotate a Select in
> PostgreSql, just like this: http://dpaste.com/1021691/
>
> I can achieve this easily without a procedure?
>
>
Hi Andre,

If I understood you want to aggregate "comments" into a single line... is
it? If yes then you can try this:

SELECT article_id, string_agg(comments, ' ') FROM your_table GROUP BY
article_id;

Best regards,

--
Fabrízio de Royes Mello
Consultoria/Coaching PostgreSQL
>> Blog sobre TI: http://fabriziomello.blogspot.com
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