@org.apache.thrift.annotation.Nullable
  public java.lang.Object getFieldValue(_Fields field) {
    switch (field) {
    case CAT_NAME:
      return getCatName();

    case DB_NAME:
      return getDbName();

    case TABLE_NAME:
      return getTableName();

    case PARTITIONS:
      return getPartitions();

    case ENVIRONMENT_CONTEXT:
      return getEnvironmentContext();

    case WRITE_ID:
      return getWriteId();

    case VALID_WRITE_ID_LIST:
      return getValidWriteIdList();

    case SKIP_COLUMN_SCHEMA_FOR_PARTITION:
      return isSkipColumnSchemaForPartition();

    case PARTITION_COL_SCHEMA:
      return getPartitionColSchema();

    }
    throw new java.lang.IllegalStateException();
  }
Returns true if field partitionColSchema 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/AlterPartitionsRequest.java