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