Richard,
> That's the error message you'd get if pg just didn't know of any
> function called "metaphone". Have you done the appropriate CREATE
> FUNCTION magic? "\df metaphone" in psql will tell you whether it's
> heard of it or not.
Yup:
jwnet=> \df metaphone
List of functions
Result data type | Name | Argument data types
------------------+-----------+---------------------
text | metaphone | text, integer
(1 row)
--
-Josh Berkus