Question

I want to list all the Stored Procedures which use overloading in a given schema. All the procedures are within packages. I can use the SQL below to nearly get there (anything with proc_count > 1).

select 
    object_name, procedure_name, count(procedure_name) as proc_count 
from 
    all_procedures                
where 
    owner = 'SCHEMA_NAME' 
group by
    object_name, procedure_name
order by proc_count desc   

However there seems to be no way to differentiate between a function named ‘ask_version’ and a procedure named ‘ask_version’ which I need to do in my case. The case being that our middleware has trouble calling procs where overloading is used. I need to do an impact analysis on how many places this occurs. We never call functions directly, hence the need to isolate them

Is there something that I’m missing?

Answer 1

all_arguments seems to help. For a function, there is an argument with position=0 (which is the return value), for procedures this argument does not exist.

SELECT object_name, procedure_name, t, COUNT(1) AS proc_count
FROM
(
  SELECT p.object_name, p.procedure_name,
         CASE WHEN a.object_id IS NULL THEN 'PROCEDURE' ELSE 'FUNCTION' END AS t
  FROM all_procedures p
  LEFT JOIN all_arguments a ON ( a.object_id = p.object_id
                             AND a.subprogram_id = p.subprogram_id AND a.position = 0 )
  WHERE p.owner = 'SCHEMA_NAME'
)
GROUP BY object_name, procedure_name, t
ORDER BY proc_count DESC;