| From: | Joe Conway <mail(at)joeconway(dot)com> |
|---|---|
| To: | "Uwe C(dot) Schroeder" <uwe(at)oss4u(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Is it possible... |
| Date: | 2004-08-24 16:07:42 |
| Message-ID: | 412B67CE.6010204@joeconway.com |
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| Lists: | pgsql-general |
Uwe C. Schroeder wrote:
> parentid firstkey secondkey
> 1 firstvalue secondvalue
> 2 firstvalue secondvalue
>
>
> I hate the idea of writing code that really creates and fills a table,
> particularly since the original table has a lot of rows.
>
> Is the above doable with a view?
> Any pointers will be appreciated.
You can do what you want with set returning functions in
contrib/tablefunc. See examples towards the end of my recent OSCON
presentation:
http://www.joeconway.com/pres_oscon_2004-r1.pdf
and the source sql:
http://www.joeconway.com/flex.sql
HTH,
Joe
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