public byte[] getBitVectors() {
    setBitVectors(org.apache.thrift.TBaseHelper.rightSize(bitVectors));
    return bitVectors == null ? null : bitVectors.array();
  }
Returns true if field numDVs 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/TimestampColumnStatsData.java