0001 SELECT
0002 w_state,
0003 i_item_id,
0004 sum(CASE WHEN (cast(d_date AS DATE) < cast('2000-03-11' AS DATE))
0005 THEN cs_sales_price - coalesce(cr_refunded_cash, 0)
0006 ELSE 0 END) AS sales_before,
0007 sum(CASE WHEN (cast(d_date AS DATE) >= cast('2000-03-11' AS DATE))
0008 THEN cs_sales_price - coalesce(cr_refunded_cash, 0)
0009 ELSE 0 END) AS sales_after
0010 FROM
0011 catalog_sales
0012 LEFT OUTER JOIN catalog_returns ON
0013 (cs_order_number = cr_order_number
0014 AND cs_item_sk = cr_item_sk)
0015 , warehouse, item, date_dim
0016 WHERE
0017 i_current_price BETWEEN 0.99 AND 1.49
0018 AND i_item_sk = cs_item_sk
0019 AND cs_warehouse_sk = w_warehouse_sk
0020 AND cs_sold_date_sk = d_date_sk
0021 AND d_date BETWEEN (cast('2000-03-11' AS DATE) - INTERVAL 30 days)
0022 AND (cast('2000-03-11' AS DATE) + INTERVAL 30 days)
0023 GROUP BY w_state, i_item_id
0024 ORDER BY w_state, i_item_id
0025 LIMIT 100
