ORACLE问题 [Err] ORA-24344: 成功, 但出现编译错误

Question

create or replace function
GetCurrBal(qrp_rq IN VARCHAR2,qrp_code IN VARCHAR2)
return NUMBER
IS
v_a NUMBER;
BEGIN
IF qrp_code='RMB' THEN
SELECT CCB_GYB.RMB_YTD_BALANCE INTO v_a FROM KAIFA.CCB_GYB WHERE ACCOUNTINT_DATE="TO_DATE"(qrp_rq,'YYYY-MM-DD');
dbms_output.put_line(v_a);
return v_a;
ELSE IF qrp_code='CNY' THEN
SELECT CCB_GYB.CNY_YTD_BALANCE INTO v_a FROM KAIFA.CCB_GYB WHERE ACCOUNTINT_DATE="TO_DATE"(qrp_rq,'YYYY-MM-DD');
dbms_output.put_line(v_a);
return v_a;
ELSE IF qrp_code='USD' THEN
SELECT CCB_GYB.USD_YTD_BALANCE INTO v_a FROM KAIFA.CCB_GYB WHERE ACCOUNTINT_DATE="TO_DATE"(qrp_rq,'YYYY-MM-DD');
dbms_output.put_line(v_a);
return v_a;
END IF;
END IF;
END IF;
END ;

Answer 1