> > Will I destroy things if I execute
> > update pg_proc set probin = '/usr/lib/pgsql/plpgsql.so' where proname = 'plpgsql_call_handler';
>
> Nope ... that's what I'd probably do. You could alternatively use
> CREATE OR REPLACE FUNCTION if you wanted to be pure, but I'd say that
> that creates as many opportunities to make mistakes as it removes, since
> you'd have to be careful to get all the other attributes right too.
Even better change it to '$libdir/plpgsql.so'.
Chris