Re: Function nesting issue

On 28/01/2010 07:32, 张海峰 wrote:
> i have 2 functions, naming a and b, both outputing a resultset(cursor)
> and a integer.
> a calls b
>
> a:
> CREATE OR REPLACE FUNCTION "public"."t_outer" (out o_rs
> "pg_catalog"."refcursor", out o_i integer) RETURNS record AS
> ...
> select t_inner(o_rs, o_i);
> ...
>
> b:
> CREATE OR REPLACE FUNCTION "public"."t_inner" (out o_rs
> "pg_catalog"."refcursor", out o_i integer) RETURNS record AS
> ...
>
> Compilation is ok, but when i call a, it says:
> ERROR: function b(refcursor, integer) does not exist
> No function matches the given name and argument types. You might need
> to add explicit type casts.

Can you post the query that calls the outer function? In the above,
you've named your functions t_outer() and t_inner(); so if you're trying
to call a function named b(), then naturally you'll get an error.

BTW, if your function names are all lower-case, you don't need all the
double-quotes.

Ray.

--
Raymond O'Donnell :: Galway :: Ireland
rod@iol.ie