}
@Override
protected Result<K,T> executePartial(FileSplitPartitionQuery<K,T> query) {
try{
FsInput fsInput = createFsInput();
DataFileReader<T> reader = createReader(fsInput);
return new DataFileAvroResult<K, T>(this, query, reader, fsInput
, query.getStart(), query.getLength());
} catch(IOException ex){
LOG.error(ex.getMessage());