Doug Gorley <doug.gor...@gmail.com> writes:
> Perfect, I'm using the following function:
> create or replace function fn_sig(p_oid oid) returns text
> as $$
> begin
> return p_oid::regprocedure;
> end;
> $$ language plpgsql;

> In the following query:

> select
>     pg_namespace.nspname ||
>     '.' ||
>     fn_sig(pg_proc.oid)
> from


I wouldn't do that if I were you: regprocedure will already
schema-qualify the function name if it's needed.  The additional
qualification you're trying to force will just result in syntax errors.

                        regards, tom lane

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