@Override
  public void close() throws IOException {
    baseRecordReader.close();
  }
Check if the wrapped RecordReader has another record, and if so convert it into an
HCatRecord. We both check for records and convert here so a configurable percent of
bad records can be tolerated.

@return if there is a next record
@throws IOException on error
@throws InterruptedException on error
hcatalog/core/src/main/java/org/apache/hive/hcatalog/mapreduce/HCatRecordReader.java