Re: Generate a dynamic sequence within a query

From: Raymond O'Donnell <rod(at)iol(dot)ie>
To: David Kerr <dmk(at)mr-paradox(dot)net>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Generate a dynamic sequence within a query
Date: 2010-10-20 22:28:18
Message-ID: 4CBF6D02.1050709@iol.ie
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On 20/10/2010 23:22, David Kerr wrote:
> I know I've seen posts on how to do this, but i can't seem to find them.
>
> I've got a data set
>
> A, B
> A, C
> A, D
> [...]
>
> and so on
>
> and i'd like to be able to wite a query that would result in
>
> 1,A,B
> 2,A,C
> 3,A,D
> [...]
>
> PG version is 8.3.
>
> Any ideas?

You probably want generate_series():

http://www.postgresql.org/docs/8.3/static/functions-srf.html

Ray.

--
Raymond O'Donnell :: Galway :: Ireland
rod(at)iol(dot)ie

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