MySQL 不支持的 SQL 清单如下：
| SQL |
|---|
| CLONE LOCAL DATA DIRECTORY = ‘clone_dir’ |
| INSTALL COMPONENT ‘file://component1’, ‘file://component2’ |
| UNINSTALL COMPONENT ‘file://component1’, ‘file://component2’ |
| REPAIR TABLE t_order |
| OPTIMIZE TABLE t_order |
| CHECKSUM TABLE t_order |
| CHECK TABLE t_order |
| SET RESOURCE GROUP group_name |
| DROP RESOURCE GROUP group_name |
| CREATE RESOURCE GROUP group_name TYPE = SYSTEM |
| ALTER RESOURCE GROUP rg1 VCPU = 0-63 |
源码：https://github.com/apache/shardingsphere/tree/master/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-mysql