Display all records from 4 select list

Question

Hi,
trying to associate 4 select list where i could display all records from a list linked to an other list.
1./ Created an item for each select list
P1_employee_name
P1_departments
P1_employee_type
P1_locations
2./Set both null and default values to '-1' for each item
3./Associated these items to source columns in the Region:
where employee_name=:P1_employee_name
or :P1_employee_name ='-1'
and departments=:P1_departments
or :P1_departments ='-1'
and ......
When running the report, couldn't display all records from a given list associated to an other list.
e.g: Display all emp and type of emp for sales dept in Paris.
Thks for your help

Answer 1

I believe the issue is that you need to group your predicates such as:
where (employee_name=:P1_employee_name
or :P1_employee_name ='-1')
and
(departments=:P1_departments
or :P1_departments ='-1')
Also, if you are not already using the "select list with submit" type items, these work great for this case as the page will be submitted when the user changes the value of employeenam and the report will then reflect this change.