public void setNumNulls(long numNulls) {
    this.numNulls = numNulls;
    setNumNullsIsSet(true);
  }
Returns true if field numFalses 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/BooleanColumnStatsData.java