Return Query based on conditon

Hi,
I there are two queries i need to return them conditinally but i am getting a error please let me know where this error is comming from
DECLARE
q VARCHAR2(2000);
BEGIN
if :app_user like 'sudhir' then //Here :app_user is a bind variable
q:=' SELECT
APEX_ITEM.TEXT(1,null,10,10) "Enable"
from dual ';
RETURN q;
End if;
END;
Error returned like this
1 error has occurred
Query cannot be parsed within the Builder. If you believe your query is syntactically correct, check the ''generic columns'' checkbox below the region source to proceed without parsing. The query can not be parsed, the cursor is not yet open or a function returning a SQL query returned without a value.
Please suggest me how to modify
Thanks
Sudhir

Is this an Apps problem?
Then i think this is not the ideal place to post this kind of problem.
This is a PL/SQL forum.
Regards.
Satyaki De.

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Return query based on condition

I'm trying to create a report region that returns results based on which table the data is stored. I'm using the type SQL Query(PL/SQL function body returning SQL query). I do a select to the first set of tables if the data is not there then it will do a select on the other set of tables. Each query will work find alone. But one query will not work when I use the condition IF Else return query.
Does anybody know how I can accomplish this?
Here is the Query:
declare
v_cnt number;
begin
select count(*) into v_cnt from image_repo_images im, image_repo_lookup il
where im.document_id_type = il.lookup_code
and il.lookup_type = 'DOCUMENT_TYPE'
and il.lookup_code = 1
and im.document_id = :P1_FILE_DLN;
if v_cnt > 0 then
return 'select distinct il.meaning, im.document_id, im.system_entry_date,im.batch_type,im.document_id_type
from image_repo_images im, image_repo_lookup il
where im.document_id = :P1_FILE_DLN
and im.document_id_type = il.lookup_code
and il.lookup_type = ''DOCUMENT_TYPE''
and il.lookup_code = 1;';
else
return 'select ''DLN'', dln, null e_date,null bt,null tp from income_tax_return_images where dln = :P1_FILE_DLN';
end if;
end;
Looks rather straight forward to me.
I get this error:
report error:
ORA-20001: Error fetching column value: ORA-01403: no data found
Any help will be appreciated.

Does this work for you:
DECLARE
   v_cnt     NUMBER;
   v_query   VARCHAR2 (4000);
BEGIN
   SELECT COUNT (*)
     INTO v_cnt
     FROM image_repo_images im, image_repo_lookup il
    WHERE im.document_id_type = il.lookup_code
      AND il.lookup_type = 'DOCUMENT_TYPE'
      AND il.lookup_code = 1
      AND im.document_id = :p1_file_dln;
   IF v_cnt > 0
   THEN
      v_query :=
            v_query
         || 'SELECT DISTINCT il.meaning, im.document_id,'
         || ' im.system_entry_date,im.batch_type,im.document_id_type'
         || ' FROM image_repo_images im, image_repo_lookup il'
         || ' WHERE im.document_id = :P1_FILE_DLN'
         || ' AND im.document_id_type = il.lookup_code'
         || ' AND il.lookup_type = ''DOCUMENT_TYPE'''
         || ' AND il.lookup_code = 1';
   ELSE
      v_query :=
            v_query
         || 'SELECT ''DLN'', dln, null e_date,null bt,null tp '
         || ' FROM income_tax_return_images WHERE dln = :P1_FILE_DLN';
   END IF;
   RETURN v_query;
END;I think you have a semicolon too much at "...il.lookup_code = 1;"
Denes Kubicek
http://deneskubicek.blogspot.com/
http://htmldb.oracle.com/pls/otn/f?p=31517:1
-------------------------------------------------------------------

Function returning query takes more time to run in Apex4.0

Hi All,
I created a report using function returning query. The function returns query based the parameters which returns dynamic columns. When I run the query in sql developer the query generates and returns the result in 3mins. But in apex it takes maximum of 35mins to return.
The query will return around 10000 rows.
Is it a performance issue in the query or in Apex?can anyone please help
Regards
Raj

RajEndiran wrote:
Hi Roel,
Thanks much for your suggestion. I run in TOAD and got the result as
Row 1 of 500 fetched so far in 3.31 minutes which means it queried for 500 records alone ? is that not the actual time taken to run the fulll query?That reflects the time to return the first 500 records...
Please suggest.With all the best will in the world, if I was your user and I had to wait 3 minutes for the page to refresh, I'd steadily lose the will to live!
As this is primarily an SQL tuning question, have a look at this message in the FAQ thread in the {forum:id=75} forum:
{message:id=9360003}
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Select List (query based LOV) in a wizard created report form

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Leo,
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http://livedocs.macromedia.com/coldfusion/7/htmldocs/00001252.htm
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briankind wrote:
> query based on a test input box
>
> hi
> i have this html input box and i want to output a query
based on what i put in
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>
> thanks
>
>
> <form id="form1" name="form1" method="post"
action="">
> <label>enter id <input type="text"
name="textfield" />
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> </form>
>

Character string buffer too small (select list query based LOV)

Hi,
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Return Query based on conditon

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