我在数据库中有下表
+----------------+------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+----------------+------------+------+-----+---------+----------------+
| id | bigint(20) | NO | PRI | NULL | auto_increment |
| VERSION | bigint(20) | NO | | NULL | |
| user_id | bigint(20) | NO | MUL | NULL | |
| measurement_id | bigint(20) | NO | MUL | NULL | |
| day | timestamp | NO | | NULL | |
| hour | tinyint(4) | …