// https://mvnrepository.com/artifact/org.dbunit/dbunittestCompile group: 'org.dbunit', name: 'dbunit', version: '2.5.4'

import org.dbunit.DBTestCase;import org.dbunit.DatabaseUnitException;import org.dbunit.database.DatabaseConnection;import org.dbunit.database.IDatabaseConnection;import org.dbunit.database.QueryDataSet;import org.dbunit.dataset.DataSetException;import org.dbunit.dataset.IDataSet;import org.dbunit.dataset.xml.FlatXmlDataSet;import org.dbunit.dataset.xml.FlatXmlDataSetBuilder;import org.dbunit.operation.DatabaseOperation;@RunWith(SpringRunner.class)@SpringBootTestpublic class DBunit extends DBTestCase {  @Resource  DataSource dataSource;  IDatabaseConnection iDatabaseConnection;  @Override  protected IDataSet getDataSet() throws Exception {    return iDatabaseConnection.createDataSet();  }  @Before  public void before() throws Exception{      iDatabaseConnection = new DatabaseConnection(dataSource.getConnection());      }}

  @Test  public void testPartialExport() throws DataSetException, IOException {    QueryDataSet queryDataSet = new QueryDataSet(iDatabaseConnection);    queryDataSet.addTable("user", "select * from user");    FlatXmlDataSet.write(queryDataSet, new FileOutputStream("user.xml"));  }

<?xml version='1.0' encoding='UTF-8'?><dataset> <user id="1" username="mechanists" password="ABA3FC1EB2997E318E43CA099AE175CA"/> <user id="2" username="reporter" password="ABA3FC1EB2997E318E43CA099AE175CA" /> </dataset>