How do I query off a pl/sql funtion that returns an sql query in apex.

I built a function that a returns a good sql query. I verified the out put of my function works when I manually entered into the SQL Commands.
Is it possible to build a report off of this query. My attempt failed with the following error.
failed to parse SQL query:
ORA-00933: SQL command not properly ended
I am sure the query generated is correct. Like I mentioned, I was able to use in the sql command succesfully.
Thanks,
Edited by: greich on Nov 21, 2008 10:55 AM

This is the code for my function:
create or replace function f_act_proj_sched (i_facility varchar2, i_date varchar2, i_shift varchar2)
Return varchar2 is
o_query Varchar2 (32000);
BEGIN
-- function that will return the query used in main application
o_query := o_query || 'SELECT act_proj.DESTINATION,';
o_query := o_query || ' act_proj.SHIPPING_DATE,';
o_query := o_query || ' act_proj.SHIFT,';
o_query := o_query || ' act_proj.JOB_CLASS_GROUPING,';
o_query := o_query || ' act_proj."Actual Units",';
o_query := o_query || ' act_proj."Projected Units",';
o_query := o_query || ' act_proj."Actual Hours",';
o_query := o_query || ' act_proj."Projected Hours",';
o_query := o_query || ' NVL (sched."Sched_Hours", 0)';
o_query := o_query || ' "Scheduled Hours"';
o_query := o_query || ' From (SELECT P.DESTINATION,';
o_query := o_query || ' P.SHIPPING_DATE,';
o_query := o_query || ' P.JOB_CLASS_GROUPING,';
o_query := o_query || ' P.SHIFT,';
o_query := o_query || ' NVL (FACILITY_STATS.WORK_UNITS, 0) "Actual Units",';
o_query := o_query || ' NVL (P.WORK_UNITS, 0) "Projected Units",';
o_query := o_query || ' NVL (CASE FACILITY_STATS.JOB_CLASS_GROUPING';
o_query := o_query || ' WHEN ''Backhaul''';
o_query := o_query || ' THEN Facility_stats.work_units';
o_query := o_query || ' / Goal_destination_shift.backhauler_goal';
o_query := o_query || ' WHEN ''Selector''';
o_query := o_query || ' THEN Facility_stats.work_units';
o_query := o_query || ' / Goal_destination_shift.selector_goal';
o_query := o_query || ' WHEN ''Common''';
o_query := o_query || ' THEN Facility_stats.work_units';
o_query := o_query || ' / Goal_destination_shift.backhauler_goal';
o_query := o_query || ' WHEN ''Lift''';
o_query := o_query || ' THEN Facility_stats.work_units';
o_query := o_query || ' / Goal_destination_shift.forklift_goal';
o_query := o_query || ' ELSE Facility_stats.work_units';
o_query := o_query || ' END, 0) "Actual Hours",';
o_query := o_query || ' CASE P.JOB_CLASS_GROUPING';
o_query := o_query || ' WHEN ''Backhaul''';
o_query := o_query || ' THEN P.work_units';
o_query := o_query || ' / Goal_destination_shift.backhauler_goal';
o_query := o_query || ' WHEN ''Selector''';
o_query := o_query || ' THEN P.work_units';
o_query := o_query || ' / Goal_destination_shift.selector_goal';
o_query := o_query || ' WHEN ''Common''';
o_query := o_query || ' THEN P.work_units';
o_query := o_query || ' / Goal_destination_shift.backhauler_goal';
o_query := o_query || ' WHEN ''Lift''';
o_query := o_query || ' THEN P.work_units' ;
o_query := o_query || ' / Goal_destination_shift.forklift_goal';
o_query := o_query || ' ELSE P.work_units';
o_query := o_query || ' END "Projected Hours"';
o_query := o_query || ' FROM STAFFING.FACILITY_STATS,';
o_query := o_query || ' STAFFING.FACILITY_STATS P,';
o_query := o_query || ' STAFFING.GOAL_DESTINATION_SHIFT';
o_query := o_query || ' WHERE (GOAL_DESTINATION_SHIFT.DESTINATION = P.DESTINATION)';
o_query := o_query || ' AND (GOAL_DESTINATION_SHIFT.SHIFT_FLAG = P.SHIFT)';
o_query := o_query || ' AND (FACILITY_STATS.DESTINATION(+) = P.DESTINATION)';
o_query := o_query || ' AND (FACILITY_STATS.SHIPPING_DATE(+) = P.SHIPPING_DATE)';
o_query := o_query || ' AND (FACILITY_STATS.JOB_CLASS_GROUPING(+) = P.JOB_CLASS_GROUPING)';
o_query := o_query || ' AND (FACILITY_STATS.SHIFT(+) = P.SHIFT)';
o_query := o_query || ' AND (P.PROJ_ACTUAL_FLAG = ''P'')';
o_query := o_query || ' AND (FACILITY_STATS.PROJ_ACTUAL_FLAG(+) = ''A'')';
o_query := o_query || ' AND P.DESTINATION = ' || i_facility;
o_query := o_query || ' AND P.SHIPPING_DATE = ' || i_date;
o_query := o_query || ' AND (case';
o_query := o_query || ' when to_number(' || i_shift || ') != -1';
o_query := o_query || ' Then P.SHIFT';
o_query := o_query || ' Else 1';
o_query := o_query || ' end =';
o_query := o_query || ' case';
o_query := o_query || ' when to_number(' || i_shift || ') != -1';
o_query := o_query || ' Then to_number(' || i_shift || ')';
o_query := o_query || ' Else 1';
o_query := o_query || ' end)) act_proj,';
o_query := o_query || ' (SELECT Destination,';
o_query := o_query || ' schedule_date,';
o_query := o_query || ' shift,';
o_query := o_query || ' job_class_grouping,';
o_query := o_query || ' SUM ("Sched_Hours") "Sched_Hours"';
o_query := o_query || ' FROM (';
-- Loop to create bucket query
for idx in 1..20 Loop
o_query := o_query || '(SELECT EMP_SCHEDULE.EMPLOYEE_ID,';
o_query := o_query || ' EMP_SCHEDULE.SCHEDULE_DATE,';
o_query := o_query || ' EMP_SCHEDULE.DESTINATION,';
o_query := o_query || ' EMP_SCHEDULE.SHIFT, ';
o_query := o_query || idx || ' "Bucket_number",';
o_query := o_query || ' Bucket' || idx || '_class "bucket class",';
o_query := o_query || ' JOB_CLASS_GROUPING,';
o_query := o_query || ' NVL (EMP_SCHEDULE.BUCKET' || idx || '_SCHED_HRS, 0) "Sched_Hours"';
o_query := o_query || ' FROM STAFFING.EMP_SCHEDULE,';
o_query := o_query || '(SELECT DISTINCT FACILITY_CLASS_BUCKET.JOB_CLASS_GROUPING,';
o_query := o_query || ' FACILITY_CLASS_BUCKET.DESTINATION';
o_query := o_query || ' FROM STAFFING.FACILITY_CLASS_BUCKET';
o_query := o_query || ' WHERE (FACILITY_CLASS_BUCKET.BUCKET_ID = ' || idx || ')) A';
o_query := o_query || ' Where A.Destination = EMP_SCHEDULE.DESTINATION';
o_query := o_query || ' and EMP_SCHEDULE.DESTINATION = ' || i_facility;
o_query := o_query || ' and EMP_SCHEDULE.SCHEDULE_DATE = ' || i_date;
o_query := o_query || ' AND (case';
o_query := o_query || ' when to_number(' || i_shift || ') != -1';
o_query := o_query || ' Then EMP_SCHEDULE.SHIFT';
o_query := o_query || ' Else 1';
o_query := o_query || ' end =';
o_query := o_query || ' case';
o_query := o_query || ' when to_number(' || i_shift || ') != -1';
o_query := o_query || ' Then to_number(' || i_shift || ')';
o_query := o_query || ' Else 1';
o_query := o_query || ' end))';
if idx < 20
THEN
o_query := o_query || ' UNION ';
Else
o_query := o_query || ')';
End if;
END Loop;
o_query := o_query || ' GROUP BY Destination,';
o_query := o_query || ' schedule_date,';
o_query := o_query || ' shift,';
o_query := o_query || ' job_class_grouping) Sched';
o_query := o_query || ' WHERE (act_proj.DESTINATION = sched.DESTINATION(+))';
o_query := o_query || ' AND (act_proj.SHIPPING_DATE = sched.SCHEDULE_DATE(+))';
o_query := o_query || ' AND (act_proj.SHIFT = sched.SHIFT(+))';
o_query := o_query || ' AND (act_proj.JOB_CLASS_GROUPING = sched.JOB_CLASS_GROUPING(+))';
o_query := o_query || ' ORDER BY SHIFT,';
o_query := o_query || ' job_class_grouping';
Return (o_query);
END;

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