Tom Lane wrote:
Also, casting the function's OID to regprocedure may be useful.
Random example:

regression=# select 1142::regprocedure;
      regprocedure
------------------------
 date_mii(date,integer)
(1 row)

That's even better -- I tried regproc, but forgot about regprocedure. I think the problem will be, though, that the output of the reg* datatypes is not castable to text, and therefore cannot be used to build a dynamic sql statement.


  select 'GRANT EXECUTE ON ' || 1142::regprocedure;
  ERROR:  array value must start with "{" or dimension information

But with the help of plpgsql:

  create or replace function regprocedure2text(regprocedure)
  returns text as '
    begin
      return $1;
    end;
  ' language plpgsql;
  CREATE FUNCTION
  select 'GRANT EXECUTE ON ' || regprocedure2text(1142::regprocedure);
                  ?column?
  -----------------------------------------
   GRANT EXECUTE ON date_mii(date,integer)
  (1 row)

Joe

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