Is there a solution for dynamic reports and using Denes' Export to Excel?

Question

Oracle 10.2.0.4.0
Application Express 3.2.1.00.10
Hello all!
I am using Denes Kubicek's Export_Excel_Pkg in my application and I'm having trouble exporting reports based on report regions created using a PL/SQL function body returning SQL query. I realize this is not an Oracle supported package, but was hoping someone here could shed some light on it. When I open up the Excel file, I get an error such as: Report Values Error: ORA-06550: line 22, column 5: PL/SQL: ORA-00907: missing right parenthesis.
I've searched the forum and already have done as others suggested by modifying the REPLACE on the v_sql variable in Export_Excel_Pkg.Get_Usable_SQL, but it did not work. My assumption is that there is an issue with the value being passed to the wwv_flow_utilities.get_binds function. I could not find documentation on this function, but I'm thinking that it cannot extract the bind variables within a PL/SQL block. The report only works when I have just use SQL with bind variables...doesn't work for PL/SQL. Nor does it work for dynamic SQL reports that use a "lexical" parameter (e.g. using WHERE &p_and_condition.) to build the WHERE clause.
Has anyone come up with a work-around to this? I somehow need to be able to extract reports based on dynamic SQL (or PL/SQL) to Excel.
Help is appreciated!
This is my example of a report based on PL/SQL function:
DECLARE
  v_sql VARCHAR2(4000);
BEGIN
  v_sql := q'[SELECT UPPER(t1.olo_name) agency_title,
       t1.class_code,
       UPPER(t1.class_title) class_title,
       t1.pay_plan,
       t1.pay_grade_code,
       COUNT(t1.appt_fte) total_employees,
       SUM(t1.appt_fte) filled_fte,
       AVG(DECODE(t2.pay_cycle_code,
                  'UB',((t1.wage_type1_amt_for_pay * 26)/t1.appt_fte),
                  'UM',((t1.wage_type1_amt_for_pay * 12)/t1.appt_fte),
                   0)) avg_annual_rate
   FROM my_schema.table1 t1,
            my_schema.table2 t2,
            my_schema.table3 pro
  WHERE t1.pos_wk = t2.pos_wk
    AND t2.pos_rate_active_flag = 'Y'
    AND t1.ops_ind = 'N'
    AND t1.employee_type IN ('1','2')
    AND pro.ROLE_CODE = :F101_DW_ROLE
    AND pro.pos_role_orgs_active_flag = 'Y']';
  IF :P_MULTI_OLO IS NOT NULL THEN
    v_sql := v_sql || q'[ AND INSTR(':'||']' || v('P_MULTI_OLO') || q'['||':', ':'||t1.olo_code||':') > 0]';     
  END IF;
  v_sql := v_sql || q'[GROUP BY UPPER(t1.olo_name), t1.class_code, UPPER(t1.class_title), t1.pay_plan, t1.pay_grade_code ORDER BY t1.class_code ASC, avg_annual_rate]';
  RETURN v_sql;
END;This is my example using a SQL statement with a lexical parameter:
SELECT UPPER(t1.olo_name) agency_title,
       t1.class_code,
       UPPER(t1.class_title) class_title,
       t1.pay_plan,
       t1.pay_grade_code,
       COUNT(t1.appt_fte) total_employees,
       SUM(t1.appt_fte) filled_fte,
       AVG(DECODE(t2.pay_cycle_code,
                  'UB',((t1.wage_type1_amt_for_pay * 26)/t1.appt_fte),
                  'UM',((t1.wage_type1_amt_for_pay * 12)/t1.appt_fte),
                   0)) avg_annual_rate
   FROM my_schema.table1 t1,
            my_schema.table2 t2,
            my_schema.table3 pro
  WHERE t1.pos_wk = t2.pos_wk
    AND t2.pos_rate_active_flag = 'Y'
    AND t1.ops_ind = 'N'
    AND t1.employee_type IN ('1','2')
    AND pro.ROLE_CODE = :F101_DW_ROLE
    AND pro.pos_role_orgs_active_flag = 'Y'
    &P63_AND_CONDITION.
  GROUP BY UPPER(t1.olo_name),
           t1.class_code,
           UPPER(t1.class_title),
           t1.pay_plan,
           t1.pay_grade_code   
ORDER BY t1.class_code ASC, avg_annual_rateThe *&P63_AND_CONDITION.* value is populated based on a "Before Header" computation under Page Rendering, using the logic below. It is then used by the SQL query defined in the reports region at run time.
DECLARE
  v_sql VARCHAR2(4000) := NULL;
BEGIN
  v_sql := ' ';
  IF :P_MULTI_OLO IS NOT NULL THEN
    v_sql := v_sql || q'[ AND INSTR(':'||']' || v('P_MULTI_OLO') || q'['||':', ':' || t1.olo_code || ':') > 0]';     
  END IF;
  RETURN v_sql;
END;

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