Bug while saving multi select list

Question

Hi,
My requirement is to construct a region where user can select their answer from available option. answer field can be multiple select/single select or text area.
I have written below query to achieve different type of answer field.
/**query****/
DECLARE
v_sql VARCHAR2 (32767);
v_answer VARCHAR2 (32767);
v_main_sql VARCHAR2 (32767);
BEGIN
FOR cur IN (SELECT question_id, question, answer_type, available_answer FROM question WHERE status= 'ACTV')
LOOP
v_sql := 'SELECT ';
v_sql := v_sql || ' APEX_ITEM.hidden(4,question_id)||question question, '; /*do not show question id as per requirement*/
IF cur.answer_type = 'MS' -- Multi Select List
THEN
v_answer := cur.available_answer;
v_sql :=
v_sql
|| ' APEX_ITEM.SELECT_LIST_FROM_QUERY(3,null,''SELECT * from table(
AU_F_LOV_FN('''''
|| v_answer
|| '''''))'',''class="multiselect" multiple="multiple"'',''NO'') Answer ';
ELSIF cur.answer_type = 'SS'
THEN -- Single Select List
v_answer := cur.available_answer;
v_sql :=
v_sql
|| ' APEX_ITEM.SELECT_LIST_FROM_QUERY(3,null,''SELECT * from table(
AU_F_LOV_FN('''''
|| v_answer
|| '''''))'') Answer ';
ELSE -- Free text
v_sql := v_sql || ' apex_item.textarea(3,available_answer,2,20) Answer ';
END IF;
v_sql := v_sql || ' from question ';
v_sql := v_sql || ' where question_id=' || cur.question_id;
IF v_main_sql IS NULL THEN
v_main_sql := v_sql;
ELSE
v_main_sql := v_main_sql ||' UNION ' || v_sql;
END IF;
END LOOP;
RETURN v_main_sql;
END;
/***end of query***/
If I select two options from multiple select list it is saving two records into table instead of saving one record with colon delimeter.
/**query to save**/
FOR i IN 1 .. APEX_APPLICATION.G_F03.COUNT
LOOP
IF APEX_APPLICATION.G_F03(i) IS NOT NULL THEN
UPDATE question_answer
SET answer = v_answer
WHERE question_id = APEX_APPLICATION.G_F04(i)
and call_id=p_sourceid;
IF sql%rowcount =0 then
INSERT INTO question_answer (question_id,
answer,
call_id,
status,
customer_id)
VALUES (APEX_APPLICATION.G_F04(i),
nvl(v_answer,APEX_APPLICATION.G_F03(i)),
p_sourceid,
'ACTV',
p_customer_id);
END if;
END IF;
END LOOP;
/**End**/
Can anyone please help me? Why is it happening? How to tweak my query so that it saves one record with colon delimeter.

Answer 1

Technically, my understanding is that a Shuttle is just two multiselect lists where javascript moves the items from one to the other. Technically its the same thing, just different presentation and methods for selection. When you go to process, its seen the same way as you initially had your code setup so no code changes would have been necessary. As it's a built in item type and with APEX's backwards compatibility policies, if your code works now it should continue to work.