import org.dbunit.ext.mysql.MySqlMetadataHandler; //导入依赖的package包/类
@Test
public void testGetCorrectDatabaseMetaHandler() {
    Properties prop = new Properties();
    prop.setProperty("org.dbunit.database.IMetadataHandler.implClassName", "org.dbunit.database.DefaultMetadataHandler");
    sut.init(prop);
    
    IMetadataHandler metaHandler1 = sut.getDefaultDatabaseMetaHandler();
    Assert.assertNotNull(metaHandler1);
    Assert.assertThat(metaHandler1, CoreMatchers.instanceOf(DefaultMetadataHandler.class));
    
    prop = new Properties();
    prop.setProperty("org.dbunit.database.IMetadataHandler.implClassName", "org.dbunit.ext.mysql.MySqlMetadataHandler");
    sut.init(prop);
    
    metaHandler1 = sut.getDefaultDatabaseMetaHandler();
    
    Assert.assertNotNull(metaHandler1);
    Assert.assertThat(metaHandler1, CoreMatchers.instanceOf(MySqlMetadataHandler.class));
}
 

import org.dbunit.ext.mysql.MySqlMetadataHandler; //导入依赖的package包/类
/**
 * Test method for {@link org.unitils.dbunit.DbUnitModule#createDbUnitConnection(java.lang.String)}.
 */
@Test
public void testCreateDbUnitConnection() {
    Properties tempConfig = (Properties) configuration.clone();
    tempConfig.setProperty("org.dbunit.database.IMetadataHandler.implClassName", "org.dbunit.ext.mysql.MySqlMetadataHandler");
    sut.init(tempConfig);
    
    DbUnitDatabaseConnection connection = sut.createDbUnitConnection(schema);
    DatabaseConfig databaseConfig = connection.getConfig();
    Object metaHandler = databaseConfig.getProperty(DatabaseConfig.PROPERTY_METADATA_HANDLER);
    
    Assert.assertNotNull(metaHandler);
    Assert.assertThat(metaHandler, CoreMatchers.instanceOf(MySqlMetadataHandler.class));
}
 

import org.dbunit.ext.mysql.MySqlMetadataHandler; //导入依赖的package包/类
/**
 * Method to insert data before test. throws Exception from DB.
 * 
 * @throws Exception
 *             the exception
 */
public void init() throws Exception {
    DatabaseLoader.logger.debug("DatabaseLoader.init()");

    try {
        DatabaseLoader.logger.debug("starting init() in DatabaseLoader...");

        this.dbConn = new DatabaseConnection(DataSourceUtils.getConnection(dataSource), this.schema);

        DatabaseConfig config = dbConn.getConfig();
        config.setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY, new MySqlDataTypeFactory());
        config.setProperty(DatabaseConfig.PROPERTY_METADATA_HANDLER, new MySqlMetadataHandler());
        config.setProperty(DatabaseConfig.FEATURE_CASE_SENSITIVE_TABLE_NAMES, Boolean.TRUE);
        DatabaseLoader.logger.debug("DATASOURCE." + dataSource.toString());
        this.loader = new FlatXmlDataSetBuilder();

        dbConn.getConnection().createStatement().execute("DELETE FROM dbe_transaction");
        deleteAll("dbunit/CREATE_DATATEST_III.xml", false);
        deleteAll("dbunit/CREATE_DATATEST_II.xml", false);
        deleteAll("dbunit/CREATE_DATATEST_I.xml", false);

        cleanInsert("dbunit/CREATE_DATATEST_I.xml", false);
        cleanInsert("dbunit/CREATE_DATATEST_II.xml", false);
        cleanInsert("dbunit/CREATE_DATATEST_III.xml", true);

        DatabaseLoader.logger.debug("ending init() in DatabaseLoader...");

    } catch (Exception e) {
        DatabaseLoader.logger.error("Error loading data init in DatabaseLoader");
        dbConn.getConnection().rollback();
        e.printStackTrace();
        throw e;
    }
}
 

import org.dbunit.ext.mysql.MySqlMetadataHandler; //导入依赖的package包/类
/**
 * custom configuration since we have case-sensitive table names and requiring
 * MySQL specifics
 */
@Bean
public DatabaseConfigBean dbUnitDatabaseConfig() {
    DatabaseConfigBean config = new DatabaseConfigBean();
    config.setDatatypeFactory(new MySqlDataTypeFactory());
    config.setMetadataHandler(new MySqlMetadataHandler());
    config.setCaseSensitiveTableNames(true);
    config.setAllowEmptyFields(true);
    return config;
}