public boolean equals(ColumnStatistics that) {
    if (that == null)
      return false;
    if (this == that)
      return true;

    boolean this_present_statsDesc = true && this.isSetStatsDesc();
    boolean that_present_statsDesc = true && that.isSetStatsDesc();
    if (this_present_statsDesc || that_present_statsDesc) {
      if (!(this_present_statsDesc && that_present_statsDesc))
        return false;
      if (!this.statsDesc.equals(that.statsDesc))
        return false;
    }

    boolean this_present_statsObj = true && this.isSetStatsObj();
    boolean that_present_statsObj = true && that.isSetStatsObj();
    if (this_present_statsObj || that_present_statsObj) {
      if (!(this_present_statsObj && that_present_statsObj))
        return false;
      if (!this.statsObj.equals(that.statsObj))
        return false;
    }

    boolean this_present_isStatsCompliant = true && this.isSetIsStatsCompliant();
    boolean that_present_isStatsCompliant = true && that.isSetIsStatsCompliant();
    if (this_present_isStatsCompliant || that_present_isStatsCompliant) {
      if (!(this_present_isStatsCompliant && that_present_isStatsCompliant))
        return false;
      if (this.isStatsCompliant != that.isStatsCompliant)
        return false;
    }

    boolean this_present_engine = true && this.isSetEngine();
    boolean that_present_engine = true && that.isSetEngine();
    if (this_present_engine || that_present_engine) {
      if (!(this_present_engine && that_present_engine))
        return false;
      if (!this.engine.equals(that.engine))
        return false;
    }

    return true;
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/ColumnStatistics.java