public boolean isSet(_Fields field) {
    if (field == null) {
      throw new java.lang.IllegalArgumentException();
    }

    switch (field) {
    case TABLE_NAME:
      return isSetTableName();
    case DB_NAME:
      return isSetDbName();
    case OWNER:
      return isSetOwner();
    case CREATE_TIME:
      return isSetCreateTime();
    case LAST_ACCESS_TIME:
      return isSetLastAccessTime();
    case RETENTION:
      return isSetRetention();
    case SD:
      return isSetSd();
    case PARTITION_KEYS:
      return isSetPartitionKeys();
    case PARAMETERS:
      return isSetParameters();
    case VIEW_ORIGINAL_TEXT:
      return isSetViewOriginalText();
    case VIEW_EXPANDED_TEXT:
      return isSetViewExpandedText();
    case TABLE_TYPE:
      return isSetTableType();
    case PRIVILEGES:
      return isSetPrivileges();
    case TEMPORARY:
      return isSetTemporary();
    case REWRITE_ENABLED:
      return isSetRewriteEnabled();
    case CREATION_METADATA:
      return isSetCreationMetadata();
    case CAT_NAME:
      return isSetCatName();
    case OWNER_TYPE:
      return isSetOwnerType();
    case WRITE_ID:
      return isSetWriteId();
    case IS_STATS_COMPLIANT:
      return isSetIsStatsCompliant();
    case COL_STATS:
      return isSetColStats();
    case ACCESS_TYPE:
      return isSetAccessType();
    case REQUIRED_READ_CAPABILITIES:
      return isSetRequiredReadCapabilities();
    case REQUIRED_WRITE_CAPABILITIES:
      return isSetRequiredWriteCapabilities();
    case ID:
      return isSetId();
    case FILE_METADATA:
      return isSetFileMetadata();
    case DICTIONARY:
      return isSetDictionary();
    case TXN_ID:
      return isSetTxnId();
    }
    throw new java.lang.IllegalStateException();
  }
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/Table.java