SELECT ORDER_ID
,PRODUCT_ID
,DATE_FORMAT(OUT_DATE, '%Y-%m-%d') AS OUT_DATE
,CASE
WHEN DATE_FORMAT(OUT_DATE, '%Y-%m-%d') <= DATE('2022-05-01')
THEN '출고완료'
WHEN DATE_FORMAT(OUT_DATE, '%Y-%m-%d') >DATE('2022-05-01')
THEN '출고대기'
WHEN OUT_DATE IS NULL THEN '출고미정'
END AS 출고여부
FROM FOOD_ORDER
ORDER BY ORDER_ID;