duplicated column name validation

[sundy-li]

Summary

databend > create table a3( a varchar(200), A int );
Query OK, 0 rows affected (0.004 sec)

databend > desc a3;
+-------+---------+------+---------+-------+
| Field | Type    | Null | Default | Extra |
+-------+---------+------+---------+-------+
| a     | VARCHAR | NO   |         |       |
| a     | INT     | NO   | 0       |       |
+-------+---------+------+---------+-------+
2 rows in set (0.004 sec)

databend > select * from a3;
ERROR 1105 (HY000): Code: 1006, displayText = Unable to get field named "1". Valid fields: ["0"].
databend >