public String getCalcitePlan() {
    if (this.calcitePlan != null) {
      return this.calcitePlan;
    }

    for (Context context : subContexts) {
      if (context.calcitePlan != null) {
        return context.calcitePlan;
      }
    }

    return null;
  }
@param isHDFSCleanup the isHDFSCleanup to set
ql/src/java/org/apache/hadoop/hive/ql/Context.java