On Jun 21, 2005, at 5:59 PM, postgresql@bryden.co.za wrote:
> One other question: Since in PostgreSQL you can have "overloaded"
> functions, how do you query the system tables for the existence of a
> particular version of the function?
The pg_proc table (which contains the functions) includes a field
that has an argument list array. You can use this to figure out which
if the one you want to drop exists.
http://www.postgresql.org/docs/8.0/interactive/catalog-pg-proc.html
Michael Glaesemann
grzm myrealbox com
