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From: chester c young <chestercyoung@yahoo.com>
To: Steve Midgley <public@misuse.org>
Cc: sql pgsql <pgsql-sql@postgresql.org>
Subject: Re: Selecting rows with "static" ordering
Date: Thu, 26 Apr 2007 17:35:43 -0700 (PDT)
Message-ID: <1266.67652.qm@web54315.mail.yahoo.com> (raw)
In-Reply-To: <20070427001004.B5F5D9FBABA@postgresql.org>


> them in the order they are currently stored in that variable. So take
> 
> for example this foreign application variable:
> 
>    ids = "3,2,5,1,4"


kludgy, but:

1. store your ids in a pg array
2. select from the array
3. on order by, write a function that takes the row.id and array as
parameters, returning the id offset into the array



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