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.
  --
  
  --q54.sql--
  
   with my_customers as (
   select distinct c_customer_sk
          , c_current_addr_sk
   from
          ( select cs_sold_date_sk sold_date_sk,
                   cs_bill_customer_sk customer_sk,
                   cs_item_sk item_sk
            from   catalog_sales
            union all
            select ws_sold_date_sk sold_date_sk,
                   ws_bill_customer_sk customer_sk,
                   ws_item_sk item_sk
            from   web_sales
           ) cs_or_ws_sales,
           item,
           date_dim,
           customer
   where   sold_date_sk = d_date_sk
           and item_sk = i_item_sk
           and i_category = 'Women'
           and i_class = 'maternity'
           and c_customer_sk = cs_or_ws_sales.customer_sk
           and d_moy = 12
           and d_year = 1998
   )
   , my_revenue as (
   select c_customer_sk,
          sum(ss_ext_sales_price) as revenue
   from   my_customers,
          store_sales,
          customer_address,
          store,
          date_dim
   where  c_current_addr_sk = ca_address_sk
          and ca_county = s_county
          and ca_state = s_state
          and ss_sold_date_sk = d_date_sk
          and c_customer_sk = ss_customer_sk
          and d_month_seq between (select distinct d_month_seq+1
                                   from   date_dim where d_year = 1998 and d_moy = 12)
                             and  (select distinct d_month_seq+3
                                   from   date_dim where d_year = 1998 and d_moy = 12)
   group by c_customer_sk
   )
   , segments as
   (select cast((revenue/50) as integer) as segment from my_revenue)
   select segment, count(*) as num_customers, segment*50 as segment_base
   from segments
   group by segment
   order by segment, num_customers
   limit 100
              
  