On Tue, Oct 12, 2010 at 03:42:29AM -0700, dicky1980 wrote:
> 
> Thanks for your help,
> 
> Would you have an example of the type of aggregate function to use. Afraid
> we're relative novices with postgres

I don't have example code, and it really depends on the language
you're going to use for your aggregate function.
Check the PostgreSQL developer manual about aggregates
and the supported languages.

--strk; 

  ()   Free GIS & Flash consultant/developer
  /\   http://strk.keybit.net/services.html
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