GenericJdbcImportPartition partition;
Extractor extractor = new GenericJdbcImportExtractor();
DummyWriter writer = new DummyWriter();
ExtractorContext extractorContext = new ExtractorContext(context, writer, null);
partition = new GenericJdbcImportPartition();
partition.setConditions("-50.0 <= DCOL AND DCOL < -16.6666666666666665");
extractor.extract(extractorContext, connectionConfig, jobConfig, partition);