@Override
  public int hashCode() {
    int hashCode = 1;

    hashCode = hashCode * 8191 + ((isSetCatName()) ? 131071 : 524287);
    if (isSetCatName())
      hashCode = hashCode * 8191 + catName.hashCode();

    hashCode = hashCode * 8191 + ((isSetDb_name()) ? 131071 : 524287);
    if (isSetDb_name())
      hashCode = hashCode * 8191 + db_name.hashCode();

    hashCode = hashCode * 8191 + ((isSetTbl_name()) ? 131071 : 524287);
    if (isSetTbl_name())
      hashCode = hashCode * 8191 + tbl_name.hashCode();

    hashCode = hashCode * 8191 + ((isSetValidWriteIdList()) ? 131071 : 524287);
    if (isSetValidWriteIdList())
      hashCode = hashCode * 8191 + validWriteIdList.hashCode();

    hashCode = hashCode * 8191 + ((isSetTableId()) ? 131071 : 524287);
    if (isSetTableId())
      hashCode = hashCode * 8191 + org.apache.thrift.TBaseHelper.hashCode(tableId);

    return hashCode;
  }
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/NotNullConstraintsRequest.java