Richard Guo <guofenglinux(at)gmail(dot)com> writes:
> I wonder why the v2 patch does not apply this same rule in
> process_function_rte_ref(), by checking if the 'rtfunc' has a coldeflist
> before it calls get_expr_result_tupdesc.
I guess we could. It won't matter because the following code will
reject RECORD in any case; but we could save a few cycles by not
calling get_expr_result_tupdesc there.
regards, tom lane