Manually execute report query based on condition

Question

Hi,
I have 2 queries defined in report as follows:
Q1) select ename,sal from emp where empno = :emp_no;
Q1) select ename,sal from emp;
Based on a specific condition I want to switch between the above 2 queries , based on which report ouput will be generated.
Example:
IF <condition is true >
THEN
Execute Q1;
ELSE
Execute Q2;
END IF;
How to do this?
Thanks

Answer 1

Also, you can use Ref Cursor query, especially for complicated conditions like :
IF :FROM_NO IS NULL AND :TO_NO IS NULL THEN
open temp_CHARACT for SELECT ACCT_CODE,
ACCT_NAME,ACCT_LEVEL,GROUP_CODE,MAIN_ACCT,OPENING_BALANCE
FROM CHARACT
ORDER BY ACCT_CODE;     
ELSIF :TO_NO IS NULL AND :FROM_NO IS NOT NULL THEN
open temp_CHARACT for select ACCT_CODE,
ACCT_NAME,ACCT_LEVEL,GROUP_CODE,MAIN_ACCT,OPENING_BALANCE
FROM CHARACT
WHERE ACCT_CODE=:FROM_NO
ORDER BY ACCT_CODE;     
ELSIF :TO_NO IS NOT NULL AND :FROM_NO IS NOT NULL THEN
          open temp_CHARACT for select ACCT_CODE, ACCT_NAME,ACCT_LEVEL,GROUP_CODE,MAIN_ACCT,OPENING_BALANCE
          FROM CHARACT
          WHERE ACCT_CODE BETWEEN :FROM_NO AND :TO_NO
          ORDER BY ACCT_CODE;               
ELSIF :TO_NO IS NOT NULL AND :FROM_NO IS NULL THEN
open temp_CHARACT for select ACCT_CODE, ACCT_NAME,ACCT_LEVEL,GROUP_CODE,MAIN_ACCT,OPENING_BALANCE
FROM CHARACT
WHERE ACCT_CODE<=:TO_NO
ORDER BY ACCT_CODE;     
END IF;
Regards
Mostafa