query75.sql

-- start query 75 in stream 0 using template query75.tpl 
WITH all_sales 
     AS (SELECT d_year, 
                i_brand_id, 
                i_class_id, 
                i_category_id, 
                i_manufact_id, 
                Sum(sales_cnt) AS sales_cnt, 
                Sum(sales_amt) AS sales_amt 
         FROM   (SELECT d_year, 
                        i_brand_id, 
                        i_class_id, 
                        i_category_id, 
                        i_manufact_id, 
                        cs_quantity - COALESCE(cr_return_quantity, 0)        AS 
                        sales_cnt, 
                        cs_ext_sales_price - COALESCE(cr_return_amount, 0.0) AS 
                        sales_amt 
                 FROM   catalog_sales 
                        JOIN item 
                          ON i_item_sk = cs_item_sk 
                        JOIN date_dim 
                          ON d_date_sk = cs_sold_date_sk 
                        LEFT JOIN catalog_returns 
                               ON ( cs_order_number = cr_order_number 
                                    AND cs_item_sk = cr_item_sk ) 
                 WHERE  i_category = 'Men' 
                 UNION 
                 SELECT d_year, 
                        i_brand_id, 
                        i_class_id, 
                        i_category_id, 
                        i_manufact_id, 
                        ss_quantity - COALESCE(sr_return_quantity, 0)     AS 
                        sales_cnt, 
                        ss_ext_sales_price - COALESCE(sr_return_amt, 0.0) AS 
                        sales_amt 
                 FROM   store_sales 
                        JOIN item 
                          ON i_item_sk = ss_item_sk 
                        JOIN date_dim 
                          ON d_date_sk = ss_sold_date_sk 
                        LEFT JOIN store_returns 
                               ON ( ss_ticket_number = sr_ticket_number 
                                    AND ss_item_sk = sr_item_sk ) 
                 WHERE  i_category = 'Men' 
                 UNION 
                 SELECT d_year, 
                        i_brand_id, 
                        i_class_id, 
                        i_category_id, 
                        i_manufact_id, 
                        ws_quantity - COALESCE(wr_return_quantity, 0)     AS 
                        sales_cnt, 
                        ws_ext_sales_price - COALESCE(wr_return_amt, 0.0) AS 
                        sales_amt 
                 FROM   web_sales 
                        JOIN item 
                          ON i_item_sk = ws_item_sk 
                        JOIN date_dim 
                          ON d_date_sk = ws_sold_date_sk 
                        LEFT JOIN web_returns 
                               ON ( ws_order_number = wr_order_number 
                                    AND ws_item_sk = wr_item_sk ) 
                 WHERE  i_category = 'Men') sales_detail 
         GROUP  BY d_year, 
                   i_brand_id, 
                   i_class_id, 
                   i_category_id, 
                   i_manufact_id) 
SELECT prev_yr.d_year                        AS prev_year, 
               curr_yr.d_year                        AS year1, 
               curr_yr.i_brand_id, 
               curr_yr.i_class_id, 
               curr_yr.i_category_id, 
               curr_yr.i_manufact_id, 
               prev_yr.sales_cnt                     AS prev_yr_cnt, 
               curr_yr.sales_cnt                     AS curr_yr_cnt, 
               curr_yr.sales_cnt - prev_yr.sales_cnt AS sales_cnt_diff, 
               curr_yr.sales_amt - prev_yr.sales_amt AS sales_amt_diff 
FROM   all_sales curr_yr, 
       all_sales prev_yr 
WHERE  curr_yr.i_brand_id = prev_yr.i_brand_id 
       AND curr_yr.i_class_id = prev_yr.i_class_id 
       AND curr_yr.i_category_id = prev_yr.i_category_id 
       AND curr_yr.i_manufact_id = prev_yr.i_manufact_id 
       AND curr_yr.d_year = 2002 
       AND prev_yr.d_year = 2002 - 1 
       AND Cast(curr_yr.sales_cnt AS DECIMAL(17, 2)) / Cast(prev_yr.sales_cnt AS 
                                                                DECIMAL(17, 2)) 
           < 0.9 
ORDER  BY sales_cnt_diff
LIMIT 100;