Re: Is it possible to make the order of output the same as the order of input parameters?

From: "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Is it possible to make the order of output the same as the order of input parameters?
Date: 2010-06-02 12:00:07
Message-ID: 20100602120007.GB5335@a-kretschmer.de
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In response to Stephen Frost :
> * m. hvostinski (makhvost(at)gmail(dot)com) wrote:
> > I have a simple query like:
> >
> > SELECT * FROM customer WHERE id IN (23, 56, 2, 12, 10)
> >
> > The problem is that I need to retrieve the rows in the same order as the set
> > of ids provided in the select statement. Can it be done?
>
> Not very easily. My first thought would be doing something like:
>
> SELECT
> customer.*
> FROM
> customer a
> JOIN (VALUES (1,23),(2,56),(3,2),(4,12),(5,10)) b
> ON (a.id = b.column2)
> ORDER BY b.column1

Nice ;-)

Andreas
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Andreas Kretschmer
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