回答編集履歴
1
文字列じゃなかった・・・
test
CHANGED
@@ -4,9 +4,9 @@
|
|
4
4
|
|
5
5
|
SELECT *,
|
6
6
|
|
7
|
-
DATE(CONCAT(start_year, start_month, start_day)) AS start_date,
|
7
|
+
DATE(CONCAT_WS('-', start_year, start_month, start_day)) AS start_date,
|
8
8
|
|
9
|
-
DATE(CONCAT(end_year, end_month, end_day)) AS end_date
|
9
|
+
DATE(CONCAT_WS('-', end_year, end_month, end_day)) AS end_date
|
10
10
|
|
11
11
|
FROM テーブル名
|
12
12
|
|