Don't know if this affects anything, but:
When I create an external function, and then alter it to a SQL/PSM function,
information.functions still says it's an external function.
<< Don't know if this affects anything, but:
When I create an external function, and then alter it to a SQL/PSM function,
information.functions still says it's an external function. >>
Yep, it's a bug in the ALTER FUNCTION statement. The workaround is to
drop/create the function.