mysql 有索引没走索引 更新锁全表

Session 1:
mysql>  select connection_id();
+-----------------+
| connection_id() |
+-----------------+
|               2 |
+-----------------+
1 row in set (0.00 sec)

mysql> start transaction;
Query OK, 0 rows affected (0.00 sec)

mysql> select * from t200 where phoneNo between 30 and 40 for update;
+----+---------+-------------+--------+
| sn | phoneNo | channelType | status |
+----+---------+-------------+--------+
| 30 | 30      |           2 |      1 |
| 34 | 34      |           3 |      2 |
| 39 | 39      |           3 |      2 |
+----+---------+-------------+--------+
3 rows in set (0.00 sec)

mysql>  select @@tx_isolation;
+-----------------+
| @@tx_isolation  |
+-----------------+
| REPEATABLE-READ |
+-----------------+
1 row in set (0.00 sec)

mysql> explain  select * from t200 where phoneNo between 30 and 40 for update;
+----+-------------+-------+------+---------------+------+---------+------+------+-------------+
| id | select_type | table | type | possible_keys | key  | key_len | ref  | rows | Extra       |
+----+-------------+-------+------+---------------+------+---------+------+------+-------------+
|  1 | SIMPLE      | t200  | ALL  | t200_idx1     | NULL | NULL    | NULL |   34 | Using where |
+----+-------------+-------+------+---------------+------+---------+------+------+-------------+

Session 2:

mysql>  insert into t200 values(29,29,4,1);
ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction
mysql>  insert into t200 values(100,100,4,1);
ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction
mysql>  insert into t200 values(1000,1000,4,1);
ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction
mysql>  insert into t200 values(1000,1000,4,1);