should be it

external/duckdb/extension/tpcds/dsdgen/queries/78.sql

@@ -0,0 +1,77 @@
+WITH ws AS
+  (SELECT d_year AS ws_sold_year,
+          ws_item_sk,
+          ws_bill_customer_sk ws_customer_sk,
+          sum(ws_quantity) ws_qty,
+          sum(ws_wholesale_cost) ws_wc,
+          sum(ws_sales_price) ws_sp
+   FROM web_sales
+   LEFT JOIN web_returns ON wr_order_number=ws_order_number
+   AND ws_item_sk=wr_item_sk
+   JOIN date_dim ON ws_sold_date_sk = d_date_sk
+   WHERE wr_order_number IS NULL
+   GROUP BY d_year,
+            ws_item_sk,
+            ws_bill_customer_sk ),
+     cs AS
+  (SELECT d_year AS cs_sold_year,
+          cs_item_sk,
+          cs_bill_customer_sk cs_customer_sk,
+          sum(cs_quantity) cs_qty,
+          sum(cs_wholesale_cost) cs_wc,
+          sum(cs_sales_price) cs_sp
+   FROM catalog_sales
+   LEFT JOIN catalog_returns ON cr_order_number=cs_order_number
+   AND cs_item_sk=cr_item_sk
+   JOIN date_dim ON cs_sold_date_sk = d_date_sk
+   WHERE cr_order_number IS NULL
+   GROUP BY d_year,
+            cs_item_sk,
+            cs_bill_customer_sk ),
+     ss AS
+  (SELECT d_year AS ss_sold_year,
+          ss_item_sk,
+          ss_customer_sk,
+          sum(ss_quantity) ss_qty,
+          sum(ss_wholesale_cost) ss_wc,
+          sum(ss_sales_price) ss_sp
+   FROM store_sales
+   LEFT JOIN store_returns ON sr_ticket_number=ss_ticket_number
+   AND ss_item_sk=sr_item_sk
+   JOIN date_dim ON ss_sold_date_sk = d_date_sk
+   WHERE sr_ticket_number IS NULL
+   GROUP BY d_year,
+            ss_item_sk,
+            ss_customer_sk )
+SELECT ss_sold_year,
+       ss_item_sk,
+       ss_customer_sk,
+       round((ss_qty*1.00)/(coalesce(ws_qty,0)+coalesce(cs_qty,0)),2) ratio,
+       ss_qty store_qty,
+       ss_wc store_wholesale_cost,
+       ss_sp store_sales_price,
+       coalesce(ws_qty,0)+coalesce(cs_qty,0) other_chan_qty,
+       coalesce(ws_wc,0)+coalesce(cs_wc,0) other_chan_wholesale_cost,
+       coalesce(ws_sp,0)+coalesce(cs_sp,0) other_chan_sales_price
+FROM ss
+LEFT JOIN ws ON (ws_sold_year=ss_sold_year
+                 AND ws_item_sk=ss_item_sk
+                 AND ws_customer_sk=ss_customer_sk)
+LEFT JOIN cs ON (cs_sold_year=ss_sold_year
+                 AND cs_item_sk=ss_item_sk
+                 AND cs_customer_sk=ss_customer_sk)
+WHERE (coalesce(ws_qty,0)>0
+       OR coalesce(cs_qty, 0)>0)
+  AND ss_sold_year=2000
+ORDER BY ss_sold_year,
+         ss_item_sk,
+         ss_customer_sk,
+         ss_qty DESC,
+         ss_wc DESC,
+         ss_sp DESC,
+         other_chan_qty,
+         other_chan_wholesale_cost,
+         other_chan_sales_price,
+         ratio
+LIMIT 100;
+