Unsupported SQL of sctl:explain

Bug Report

Which version of ShardingSphere did you use?

5.0.0-RC1-SNAPSHOT

Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?

ShardingSphere-Proxy

Expected behavior

mysql> sctl:explain select 1;
+-----------------+----------+
| datasource_name | sql      |
+-----------------+----------+
| ds_0            | select 1 |
+-----------------+----------+

Actual behavior

mysql>  sctl:explain select 1;
ERROR 10002 (C1000): 2Unknown exception: [Unsupported SQL of `sctl:explain select 1`]

Reason analyze (If you can)

Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.

sctl:explain select 1;

Example codes for reproduce this issue (such as a github link).

[tristaZero]

@lwtdev Hi It has been fixed already, welcome your further test.

[kimmking]

mysql> sctl:explain select * from test;
+-----------------+----------------------+
| datasource_name | sql                  |
+-----------------+----------------------+
| test            | select * from test00 |
| test            | select * from test01 |
| test            | select * from test02 |
| test            | select * from test03 |
+-----------------+----------------------+
4 rows in set (0.01 sec)

mysql> sctl:explain select 1;
+-----------------+----------+
| datasource_name | sql      |
+-----------------+----------+
| test            | select 1 |
+-----------------+----------+
1 row in set (0.01 sec)