Yes, your varlena links are what I was looking for as a source of help...
Thanks! Mark
Michael Fuhr wrote:
On Thu, May 19, 2005 at 03:17:07PM -0400, Mark Fenbers wrote:
I need to create an aggregate function to do some math not currently provided by the available tools. Can someone point to an example aggregate function syntax that I can use as a template for my own function. I'm still a little green on some aspects of PostgreSQL and am drawing a blank on how to do this properly from scratch.
The General Bits newsletter has a few examples that might be helpful, even if they're not quite what you're after:
http://www.varlena.com/varlena/GeneralBits/109.php http://www.varlena.com/varlena/GeneralBits/4.html
There are sure to be some examples in the list archives -- just search for "create aggregate":
http://archives.postgresql.org/
If these links don't help, then please post more details about what you're trying to do and what trouble you're having. If you have any code that doesn't work the way you want but that helps show what you're after, then go ahead and post it with an explanation of what it does (or doesn't do) and what you'd like it to do (or not do).
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