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

    boolean this_present_colName = true && this.isSetColName();
    boolean that_present_colName = true && that.isSetColName();
    if (this_present_colName || that_present_colName) {
      if (!(this_present_colName && that_present_colName))
        return false;
      if (!this.colName.equals(that.colName))
        return false;
    }

    boolean this_present_colType = true && this.isSetColType();
    boolean that_present_colType = true && that.isSetColType();
    if (this_present_colType || that_present_colType) {
      if (!(this_present_colType && that_present_colType))
        return false;
      if (!this.colType.equals(that.colType))
        return false;
    }

    boolean this_present_statsData = true && this.isSetStatsData();
    boolean that_present_statsData = true && that.isSetStatsData();
    if (this_present_statsData || that_present_statsData) {
      if (!(this_present_statsData && that_present_statsData))
        return false;
      if (!this.statsData.equals(that.statsData))
        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/ColumnStatisticsObj.java