public void setBitVectors(byte[] bitVectors) {
    this.bitVectors = bitVectors == null ? (java.nio.ByteBuffer)null   : java.nio.ByteBuffer.wrap(bitVectors.clone());
  }
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