EncryptDatasource does not support sql which is not DML

[codefairy08]

Bug Report

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Which version of ShardingSphere did you use?

4.0.0-RC1-SNAPSHOT

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

Sharding-JDBC

Expected behavior

execute sql which is not DML

Actual behavior

throw Exception, Message is "Unsupported SQL of ${SQL}"

Reason analyze (If you can)

current just fill DML statement to DMLStatement, the other sql does not fill，design a new class for the sql which is not DML. do not execute filler logic.

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

use EncryptDatasource execute a DDL statement: "CREATE TABLE t_test (id int primary key auto_increment, pwd varchar(100), pwd_assist varchar(100));"

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

[tristaZero]

Testing for this issue has been done. Everything is ok.