I don't have the original thread in my inbox anymore, so for reference:
	http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF 
-8&selm=20129.1074484755%40sss.pgh.pa.us

Tom Lane last said:
> I have committed a patch into CVS HEAD --- give it a try.

It took me awhile, but I finally got around to trying this (by plopping  
it into my 7.4 sources), and yes, the hashlookup does significantly  
improve the performance of calling "C" functions.  I agree with your  
commit message that they're now roughly on par with built-in functions.

thanks!

eric



Mon, 29 Mar 2004 01:01:56 -0500
Eric Ridge <ebr@tcdi.com>
Re: User Defined Functions/AM's inherently slow?