Invalid number in 10g but not in 9i

Question

Hello,
I have a weird problem with the database version 10.2.0.2.0.
The following function executes in database version 9.2.0.7.0 as expected and for a long while everything is ok. But know on the new database I got an error: ORA-01722: invalid number at this line:
FOR rec_apex_navigation_role IN c_apex_navigation_role( rec_core_role.ID )
I discovered that all referenced columns there are of the type NUMBER(10,0), so that isn`t the problem.
Here is the whole code of the function:
FUNCTION get_page_role_sql
RETURN VARCHAR2 IS
proc_name CONSTANT VARCHAR2( 60 ) := package_name || '.get_page_role_sql';
ret_value VARCHAR2( 32000 );
p_column VARCHAR2( 100 );
p_column_nr PLS_INTEGER;
CURSOR c_apex_navigation IS
SELECT a.ID,
a.page_id,
a.page_name
FROM apex_navigation a
ORDER BY ID;
CURSOR c_apex_navigation_role(
x_role_id apex_navigation_role.role_id%TYPE
) IS
SELECT c.seq_id,
c.c001 page_id,
nr.role_id
FROM wwv_flow_collections c, apex_navigation_role nr
WHERE c.collection_name = c_col_page_role
AND nr.navigation_id = TO_NUMBER( c.c001 )
AND nr.role_id = x_role_id;
CURSOR c_core_role IS
SELECT ID,
NAME,
ROWNUM col_nr
FROM core_role
ORDER BY ID;
BEGIN
wwv_flow_collection.create_or_truncate_collection( c_col_page_role );
wwv_flow_collection.create_or_truncate_collection( c_col_role_column );
ret_value := 'SELECT c002 "Id",c003 "Seite",';
FOR rec_apex_navigation IN c_apex_navigation
LOOP
wwv_flow_collection.add_member( p_collection_name => c_col_page_role, p_c001 => rec_apex_navigation.ID, p_c002 => rec_apex_navigation.page_id, p_c003 => rec_apex_navigation.page_name );
END LOOP;
FOR rec_core_role IN c_core_role
LOOP
p_column_nr := rec_core_role.col_nr + 3;
p_column := 'c' || TRIM( TO_CHAR( p_column_nr, '000' ));
ret_value := ret_value || 'APEX_ITEM.CHECKBOX( ' || p_column_nr || ', c001 , DECODE( ' || p_column || ',NULL, NULL, ''CHECKED'' ) ) "' || rec_core_role.NAME || '",';
wwv_flow_collection.add_member( p_collection_name =>
c_col_role_column, p_c001 => p_column_nr, p_c002 => rec_core_role.ID, p_c003 => rec_core_role.NAME );
FOR rec_apex_navigation_role IN c_apex_navigation_role( rec_core_role.ID )
LOOP
wwv_flow_collection.update_member_attribute( p_collection_name => c_col_page_role, p_seq => rec_apex_navigation_role.seq_id, p_attr_number => p_column_nr, p_attr_value => rec_apex_navigation_role.role_id );
END LOOP;
END LOOP;
ret_value := RTRIM( ret_value, ',' ) || ' FROM wwv_flow_collections WHERE collection_name = ''' || c_col_page_role || '''';
RETURN ret_value;
END;
So the strange thing is, that it works in version 9 and not in version 10...
Does anybody have an idea where the problem is?
Thank you,
Tim

Answer 1

Well, I would suggest that there is something in your data which is causing the problem most likely due to an implicit data conversion, even though you insist not.
However, without your data it is impossible to comment, only possible to guess.
Can you reduce the problem any further to a reproducible test case that someone else could run?
Have you tried the two workarounds in the article, not as a permanent solution, but to see if your problem persists?
Message was edited by:
dombrooks