mysql>
mysql>
mysql> CREATE TABLE time_val
-> (
-> t1 TIME,
-> t2 TIME
-> );
Query OK, 0 rows affected (0.01 sec)
mysql>
mysql> INSERT INTO time_val (t1,t2) VALUES('15:00:00','15:00:00');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO time_val (t1,t2) VALUES('05:01:30','02:30:20');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO time_val (t1,t2) VALUES('12:30:20','17:30:45');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> SELECT * FROM time_val;
+----------+----------+
| t1 | t2 |
+----------+----------+
| 15:00:00 | 15:00:00 |
| 05:01:30 | 02:30:20 |
| 12:30:20 | 17:30:45 |
+----------+----------+
3 rows in set (0.00 sec)
mysql>
mysql>
mysql> SELECT t1,
-> t1+0 AS 't1 as number',
-> FLOOR(t1) AS 't1 as number',
-> FLOOR(t1/10000) AS 'hour part'
-> FROM time_val;
+----------+--------------+--------------+-----------+
| t1 | t1 as number | t1 as number | hour part |
+----------+--------------+--------------+-----------+
| 15:00:00 | 150000 | 150000 | 15 |
| 05:01:30 | 50130 | 50130 | 5 |
| 12:30:20 | 123020 | 123020 | 12 |
+----------+--------------+--------------+-----------+
3 rows in set (0.00 sec)
mysql>
mysql> drop table time_val;
Query OK, 0 rows affected (0.00 sec)
|