plus/src/test/resources/sql/tpcds/51.sql

/*
 * 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.
 */

WITH web_v1 as (
select
  ws_item_sk item_sk, d_date,
  sum(sum(ws_sales_price))
      over (partition by ws_item_sk order by d_date rows between unbounded preceding and current row) cume_sales
from web_sales
    ,date_dim
where ws_sold_date_sk=d_date_sk
  and d_month_seq between 1220 and 1220+11
  and ws_item_sk is not NULL
group by ws_item_sk, d_date),
store_v1 as (
select
  ss_item_sk item_sk, d_date,
  sum(sum(ss_sales_price))
      over (partition by ss_item_sk order by d_date rows between unbounded preceding and current row) cume_sales
from store_sales
    ,date_dim
where ss_sold_date_sk=d_date_sk
  and d_month_seq between 1220 and 1220+11
  and ss_item_sk is not NULL
group by ss_item_sk, d_date)
 select  *
from (select item_sk
     ,d_date
     ,web_sales
     ,store_sales
     ,max(web_sales)
         over (partition by item_sk order by d_date rows between unbounded preceding and current row) web_cumulative
     ,max(store_sales)
         over (partition by item_sk order by d_date rows between unbounded preceding and current row) store_cumulative
     from (select case when web.item_sk is not null then web.item_sk else store.item_sk end item_sk
                 ,case when web.d_date is not null then web.d_date else store.d_date end d_date
                 ,web.cume_sales web_sales
                 ,store.cume_sales store_sales
           from web_v1 web full outer join store_v1 store on (web.item_sk = store.item_sk
                                                          and web.d_date = store.d_date)
          )x )y
where web_cumulative > store_cumulative
order by item_sk
        ,d_date
LIMIT 100