@Override
  public String toString() {
    return "Aborted Directories: " + abortedDirectories + "; aborted writeIds: " + abortedWriteIds +
        "; original: " + originalFiles + "; obsolete: " + obsolete +
        "; currentDirectories: " + currentDirectories + "; base: " + base;
  }
All original, base and delta bucket files that should be read by this reader
@throws IOException ex
ql/src/java/org/apache/hadoop/hive/ql/io/AcidDirectory.java