should be it

external/duckdb/extension/tpcds/dsdgen/queries/02.sql

@@ -0,0 +1,79 @@
+WITH wscs AS
+  (SELECT sold_date_sk,
+          sales_price
+   FROM
+     (SELECT ws_sold_date_sk sold_date_sk,
+             ws_ext_sales_price sales_price
+      FROM web_sales
+      UNION ALL SELECT cs_sold_date_sk sold_date_sk,
+                       cs_ext_sales_price sales_price
+      FROM catalog_sales) sq1),
+     wswscs AS
+  (SELECT d_week_seq,
+          sum(CASE
+                  WHEN (d_day_name='Sunday') THEN sales_price
+                  ELSE NULL
+              END) sun_sales,
+          sum(CASE
+                  WHEN (d_day_name='Monday') THEN sales_price
+                  ELSE NULL
+              END) mon_sales,
+          sum(CASE
+                  WHEN (d_day_name='Tuesday') THEN sales_price
+                  ELSE NULL
+              END) tue_sales,
+          sum(CASE
+                  WHEN (d_day_name='Wednesday') THEN sales_price
+                  ELSE NULL
+              END) wed_sales,
+          sum(CASE
+                  WHEN (d_day_name='Thursday') THEN sales_price
+                  ELSE NULL
+              END) thu_sales,
+          sum(CASE
+                  WHEN (d_day_name='Friday') THEN sales_price
+                  ELSE NULL
+              END) fri_sales,
+          sum(CASE
+                  WHEN (d_day_name='Saturday') THEN sales_price
+                  ELSE NULL
+              END) sat_sales
+   FROM wscs,
+        date_dim
+   WHERE d_date_sk = sold_date_sk
+   GROUP BY d_week_seq)
+SELECT d_week_seq1,
+       round(sun_sales1/sun_sales2, 2) r1,
+       round(mon_sales1/mon_sales2, 2) r2,
+       round(tue_sales1/tue_sales2, 2) r3,
+       round(wed_sales1/wed_sales2, 2) r4,
+       round(thu_sales1/thu_sales2, 2) r5,
+       round(fri_sales1/fri_sales2, 2) r6,
+       round(sat_sales1/sat_sales2, 2)
+FROM
+  (SELECT wswscs.d_week_seq d_week_seq1,
+          sun_sales sun_sales1,
+          mon_sales mon_sales1,
+          tue_sales tue_sales1,
+          wed_sales wed_sales1,
+          thu_sales thu_sales1,
+          fri_sales fri_sales1,
+          sat_sales sat_sales1
+   FROM wswscs,
+        date_dim
+   WHERE date_dim.d_week_seq = wswscs.d_week_seq
+     AND d_year = 2001) y,
+  (SELECT wswscs.d_week_seq d_week_seq2,
+          sun_sales sun_sales2,
+          mon_sales mon_sales2,
+          tue_sales tue_sales2,
+          wed_sales wed_sales2,
+          thu_sales thu_sales2,
+          fri_sales fri_sales2,
+          sat_sales sat_sales2
+   FROM wswscs,
+        date_dim
+   WHERE date_dim.d_week_seq = wswscs.d_week_seq
+     AND d_year = 2001+1) z
+WHERE d_week_seq1 = d_week_seq2-53
+ORDER BY d_week_seq1 NULLS FIRST;