DataTypeFactory
You can replace the default DbUnit DataTypeFactory to get custom data types support. DbUnit provides factories, located in ''org.dbunit.ext'' subpackages, for some RDBMS.
OracleDataTypeFactory | MySqlDataTypeFactory | Db2DataTypeFactory | MsSqlDataTypeFactory | H2DataTypeFactory
Don't hesitate to contribute if you encounter types not currently supported by DbUnit.
This sample demonstrate how to setup the OracleDatabase factory:
IDatabaseConnection connection = new DatabaseConnection(jdbcConnection, schema);
DatabaseConfig config = connection.getConfig();
config.setProperty(DatabaseConfig.PROPERTY_DATATYPE_FACTORY,
new OracleDataTypeFactory());