Implementing Interactive Reports Sorts in Report Query

Question

My users love how the Interactive Reports work, especially being able to choose their sort fields. I have an Report Query that can use multiple sorts and many sort fields (chose from APEX page). Is it possible to implement this type of thing in the Report Query (without using decodes or dynamic SQL).
I looked at the code being executed by Interactive Reports and can see the order by changing
select
null as apxws_row_pk,
"CODE",
"CITY_NAME",
"STATE_CODE",
"PK_ID",
count(*) over () as apxws_row_cnt
from (
select * from (
select "PK_ID",
"CODE",
"CITY_NAME",
"STATE_CODE"
from "#OWNER#"."ZIP"
) r
) r where rownum <= to_number(:APXWS_MAX_ROW_CNT)
order by "CODE"

Answer 1

Ben, Not sure I follow.
I'm passing in the column names of the order by's from my APEX page to the DB function. Right now I'm doing a huge case statement for each one.
FUNCTION get_student_demographic (l_user in varchar2,
l_owner in varchar2,
l_report_order1 in varchar2,
l_report_order2 in varchar2,
l_report_order3 in varchar2,
l_report_order4 in varchar2,
SELECT (CASE l_report_order1
WHEN '%null%' THEN ''
WHEN 'LAST_NAME' THEN A.LAST_NAME
WHEN 'FIRST_NAME' THEN A.FIRST_NAME
..... many more
ELSE ''
END ) report_order1,