Re: AGREGATE FUNCTIONS - Mailing list pgsql-hackers

Roberto Rezende de Assis wrote:
> Hello, I would like to know where in the source-code of postgres is 
> located the code of the aggregate functions min, max, avg.
> I wish to develop more statistical aggregate functions, and I prefer to 
> use C than to write then in the PL/R.


http://projects.commandprompt.com/public/pgsql/browser/trunk/pgsql/src/backend/utils/adt
http://projects.commandprompt.com/public/pgsql/browser/trunk/pgsql/src/backend/utils/adt/numeric.c
http://projects.commandprompt.com/public/pgsql/browser/trunk/pgsql/src/backend/utils/adt

That will give you and easy interface to view the code and everything 
after browser is the CVS source tree so you can look for yourself within 
your copy of HEAD or 8.1 or whatever.

Sincerely,

Joshua D. Drake

> 
> Thanks
> 
> 
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