.replace("#{TEST_FILE}", testDataFile)
.replace("#{COLUMN_NAME}", columnName));
RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());
QueryResultBatch batch = results.get(1);
assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
for(int i=0; i<expectedValues.length; i++) {
for(int j=0; j<expectedValues[i].length; j++) {
NullableBigIntVector vv =
(NullableBigIntVector) batchLoader.getValueAccessorById(NullableBigIntVector.class, j).getValueVector();