text: --
  -- Licensed to the Apache Software Foundation (ASF) under one or more
  -- contributor license agreements.  See the NOTICE file distributed with
  -- this work for additional information regarding copyright ownership.
  -- The ASF licenses this file to You under the Apache License, Version 2.0
  -- (the "License"); you may not use this file except in compliance with
  -- the License.  You may obtain a copy of the License at
  --
  --    http://www.apache.org/licenses/LICENSE-2.0
  --
  -- Unless required by applicable law or agreed to in writing, software
  -- distributed under the License is distributed on an "AS IS" BASIS,
  -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  -- See the License for the specific language governing permissions and
  -- limitations under the License.
  --
  
  SELECT
    i_item_desc,
    i_category,
    i_class,
    i_current_price,
    sum(ws_ext_sales_price) AS itemrevenue,
    sum(ws_ext_sales_price) * 100 / sum(sum(ws_ext_sales_price))
    OVER
    (PARTITION BY i_class) AS revenueratio
  FROM
    web_sales, item, date_dim
  WHERE
    ws_item_sk = i_item_sk
      AND i_category IN ('Sports', 'Books', 'Home')
      AND ws_sold_date_sk = d_date_sk
      AND d_date BETWEEN cast('1999-02-22' AS DATE)
    AND (cast('1999-02-22' AS DATE) + INTERVAL 30 days)
  GROUP BY
    i_item_id, i_item_desc, i_category, i_class, i_current_price
  ORDER BY
    i_category, i_class, i_item_id, i_item_desc, revenueratio
  LIMIT 100
  