qianxuwanyu edited a comment on issue #14177:
URL: 
https://github.com/apache/shardingsphere/issues/14177#issuecomment-998497457


   ```
   import org.apache.ddlutils.model.Column;
   import org.apache.ddlutils.model.Table;
   import org.apache.ddlutils.platform.DatabaseMetaDataWrapper; 
//导入方法依赖的package包/类
   import org.apache.ddlutils.platform.MetaDataColumnDescriptor;
   import org.springframework.jdbc.support.JdbcUtils;
   
     //注册驱动程序 mysql 5+ or 8+
         DriverManager.registerDriver(new com.mysql.jdbc.Driver());
         //获得连接
         String url = 
"jdbc:mysql://localhost:3307/fintax_tax_proxy?useSSL=false";
         Connection con = DriverManager.getConnection(url, "root", "root");
         //检索元数据对象
         DatabaseMetaData metaData = con.getMetaData();
   
         //it's ok
         ResultSet columnData = metaData.getColumns("fintax_tax_proxy", 
"fintax_tax_proxy", "config_area", null);
   
         //failed
         ResultSet primaryKeys = metaData.getPrimaryKeys("fintax_tax_proxy", 
"fintax_tax_proxy", "config_area");
   
   Exception in thread "main" 
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 
'fintax_tax_proxy.config_area' doesn't exist
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)


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