JDBCScheme jdbcScheme = new JDBCScheme( columnFields, columnNames, null, updateByFields, updateBy );
Tap updateTap = new JDBCTap( url, driver, tableDesc, jdbcScheme, SinkMode.APPEND );
Flow updateFlow = new FlowConnector( getProperties() ).connect( sink, updateTap, parsePipe );
updateFlow.complete();
verifySink( updateFlow, 13 );
// READ DATA FROM TABLE INTO TEXT FILE, USING CUSTOM QUERY