底稿

# Conflicts:
#	SQL.sql

SQL.sql

@@ -1 +1,643 @@
-SELECT * FROM a;113333sss
+-- 线上店铺年度销售金额、订单数量、退款金额、退款订单数、订单均价
+SELECT
+    s.店铺编码,
+    s.年份,
+    ROUND(s.销售金额,2) AS '销售金额',
+    s.订单数量,
+    r.退款金额,
+    r.退款订单数,
+    ROUND(s.销售金额/s.订单数量,2) AS '订单均价'
+FROM(
+    SELECT
+        store_code AS '店铺编码',
+        YEAR(order_date) AS '年份',
+        SUM(order_settle_amt) AS '销售金额',
+        -- 针对并单号情况，统计总行数加逗号个数得到总订单数量
+        COUNT(platform_order_no) + 
+        SUM(LENGTH(platform_order_no) - LENGTH(REPLACE(platform_order_no, ',', ''))) AS '订单数量'
+    FROM
+        dwd_trade_hkaudit_ecommerce_sale_mt
+    WHERE
+        order_date >= '2022-01-01 00:00:00'
+        AND order_date <'2025-07-01 00:00:00'
+    GROUP BY
+        store_code,YEAR(order_date)
+) s --销售
+LEFT JOIN(
+    SELECT
+        YEAR(order_date) AS '年份',
+        store_code AS '店铺编码',
+        ROUND(SUM(refund.amount)+SUM(change.amount),2) AS '退款金额',
+        COUNT(refund.platform_order_no) AS '退款订单数'
+    FROM(
+        SELECT
+            -- 将拆分后的单个订单号作为分组和查询的键
+            single_order_id AS single_order_no,
+            MIN(store_code) AS store_code,
+            MIN(order_date) AS order_date
+        FROM(
+            SELECT
+                store_code,
+                platform_order_no,
+                order_date,
+                splitByChar(',', platform_order_no) AS order_id_array
+            FROM dwd_trade_hkaudit_ecommerce_sale_mt
+            WHERE
+                order_date >= '2022-01-01 00:00:00'
+                AND order_date <'2025-07-01 00:00:00'
+        )
+        -- 使用arrayJoin将数组中的每个元素展开为一行
+        ARRAY JOIN order_id_array AS single_order_id
+        GROUP BY single_order_no
+    ) sales
+    LEFT JOIN(
+        SELECT
+            platform_order_no,
+            SUM(return_goods_amt)
+        FROM
+            dwd_trade_hkaudit_ecommerce_sale_return_mt
+        GROUP BY
+            platform_order_no
+    )  refund
+        ON sales.platform_order_no = refund.platform_order_no
+    LEFT JOIN(
+        SELECT
+            platform_order_no,
+            SUM(special_barcode_amt) AS amount
+        FROM
+            dwd_trade_hkaudit_ecommerce_sale_change_mt
+    )  change
+        ON sales.platform_order_no = change.platform_order_no
+    WHERE 
+        refund.platform_order_no IS NOT NULL
+    GROUP BY
+        store_code,YEAR(order_date)
+) r -- 退款
+ON s.店铺编码 = r.店铺编码 AND s.年份 = r.年份
+ORDER BY
+    年份 ASC, 销售金额 DESC;
+
+
+-- 线下店铺年度销售金额、订单数量、退款金额、退款订单数、订单均价
+SELECT
+    store_code as '店铺编码',
+    YEAR(pay_date) as '年份',
+    round(sum(CASE WHEN pay_amt > 0 THEN pay_amt ELSE 0 END), 2) as '销售金额',
+    count(CASE WHEN pay_amt > 0 THEN receipt_no ELSE NULL END) as '订单数量',
+    round(abs(sum(CASE WHEN pay_amt < 0 THEN pay_amt ELSE 0 END)), 2) as '退款金额',
+    count(CASE WHEN pay_amt < 0 THEN receipt_no ELSE NULL END) as '退款订单数'
+FROM
+    dwd_trade_hkaudit_shop_receipt_pay_mt
+WHERE
+    pay_date >= '2022-01-01 00:00:00' 
+    AND pay_date < '2025-07-01 00:00:00'
+GROUP BY
+    store_code, YEAR(pay_date)
+ORDER BY
+    store_code ASC, 年份 ASC;
+
+-- 线上店铺月度销售金额
+SELECT
+    store_code as '店铺编码',
+    YEAR(order_date) as '年份',
+    month(order_date) as '月份',
+    round(sum(order_settle_amt),2) as '销售金额'
+FROM
+    dwd_trade_hkaudit_ecommerce_sale_mt
+WHERE
+    order_date >= '2022-01-01 00:00:00'
+    AND order_date <'2025-07-01 00:00:00' 
+GROUP BY
+    store_code,年份,月份
+order BY 
+    store_code,年份 asc,月份 asc
+
+-- 线下店铺月度销售金额
+SELECT
+    store_code as '店铺编码',
+    year(pay_date) as '年份',
+    month(pay_date) as '月份',
+    round(sum(CASE WHEN pay_amt > 0 THEN pay_amt ELSE 0 END), 2) as '销售金额'
+FROM
+    dwd_trade_hkaudit_shop_receipt_pay_mt
+WHERE
+    pay_date >= '2022-01-01 00:00:00'
+    AND pay_date <'2025-07-01 00:00:00'
+GROUP BY
+    store_code,year(pay_date),month(pay_date)
+order BY 
+    store_code,年份 asc,月份 asc
+
+-- 线上每年各产品数量、产品销售金额
+SELECT
+    goods_barcode,
+    year(order_date) as '年份',
+    sum(goods_qty) as '产品数量',
+    order_settle_amt as '销售金额'
+FROM
+    dwd_trade_hkaudit_ecommerce_sale_mt
+WHERE
+    order_date >= '2022-01-01 00:00:00'
+    AND order_date < '2025-07-01 00:00:00'
+GROUP BY
+    goods_barcode,year(order_date)
+order BY
+    goods_barcode,年份;
+
+-- 线下每年各产品数量、产品销售金额
+-- (订单号重复，根据订单号groupby后失去产品信息，小票支付表仅有订单号可关联，如何计算？)
+-- 根据商品标价比例计算实际金额
+SELECT 
+    YEAR(b.pay_time) AS '年份',
+    a.goods_barcode AS '商品条码',
+    SUM(a.qty) AS '产品数量',
+    ROUND(SUM(b.total_real_amt * (a.goods_amt) / b.price_tag), 2) AS '销售金额'
+FROM (
+    SELECT
+        platform_order_no,
+        goods_barcode,
+        goods_amt
+        price,
+        qty
+    FROM dwd_trade_hkaudit_shop_receipt_mt
+) a
+INNER JOIN(
+    SELECT
+        platform_order_no,
+        SUM(goods_amt) as price_tag
+    FROM dwd_trade_hkaudit_shop_receipt_mt
+    GROUP BY platform_order_no
+) b
+    ON a.platform_order_no = b.platform_order_no
+INNER JOIN (
+    SELECT
+        platform_order_no,
+        SUM(pay_amt) as total_real_amt
+    FROM dwd_trade_hkaudit_shop_receipt_pay_mt
+    GROUP BY platform_order_no
+) c ON 
+    a.platform_order_no = c.platform_order_no
+GROUP BY 
+    YEAR(b.pay_time), a.goods_barcode
+ORDER BY 
+    年份, 销售金额 DESC;
+
+
+-- 线上每年前五店铺金额分布
+SELECT
+    store_code as '店铺编码',
+    sum(order_settle_amt) as '销售金额'
+FROM
+    dwd_trade_hkaudit_ecommerce_sale_mt
+WHERE
+    order_date >= '2022-01-01 00:00:00'
+    AND order_date < '2023-01-01 00:00:00'
+GROUP BY
+    store_code
+order BY
+    sum(order_settle_amt) desc
+LIMIT 5
+
+-- 线下每年前五店铺金额分布
+SELECT
+    store_code as '店铺编码',
+    round(sum(CASE WHEN pay_amt > 0 THEN pay_amt ELSE 0 END), 2) as '销售金额'
+FROM
+    dwd_trade_hkaudit_shop_receipt_pay_mt
+WHERE
+    pay_date >= '2022-01-01 00:00:00'
+    AND pay_date <'2023-01-01 00:00:00'
+GROUP BY
+    店铺编码
+order BY
+    销售金额 desc
+LIMIT 5
+
+-- 线上每年各省份销售金额、订单数量
+SELECT
+    year(order_date) as '年份,'
+    province as '省份',
+    round(sum(order_settle_amt),2) as '销售金额',
+    count(platform_order_no) as '订单数量'
+FROM
+    dwd_trade_hkaudit_ecommerce_sale_mt
+WHERE
+    order_date >= '2022-01-01 00:00:00'
+    AND order_date < '2025-07-01 00:00:00'
+GROUP BY
+    年份 asc, province
+
+-- 线下每年各店铺所在省份销售金额、订单数量
+-- (如何确认店铺所在省份？)
+SELECT
+    store_code as '店铺编码',
+    round(sum(CASE WHEN pay_amt > 0 THEN pay_amt ELSE 0 END), 2) as '销售金额'
+FROM
+    dwd_trade_hkaudit_shop_receipt_pay_mt
+WHERE
+    pay_date >= '2022-01-01 00:00:00'
+    AND pay_date <'2023-01-01 00:00:00'
+GROUP BY
+    店铺编码
+order BY
+    销售金额 desc
+
+-- 线上每年单笔订单金额分布
+-- (并单如何考虑单笔金额？)
+-- 单个订单号使用订单均摊金额，并单号均分金额
+SELECT
+    YEAR(a.order_date) AS '年份',
+    a.money_area AS '单笔订单金额',
+    count(a.split_item) as '订单数量',
+    ROUND(sum(a.split_amount),2) AS '销售金额'
+FROM(
+    SELECT 
+        single.split_amount,
+        single.split_item,
+        single.order_date,
+    CASE 
+        WHEN single.split_amount >0 AND single.split_amount <10 THEN '0-10'
+        WHEN single.split_amount >=10 AND single.split_amount <50 THEN '10-50'
+        WHEN single.split_amount >=50 AND single.split_amount <100 THEN '50-100'
+        WHEN single.split_amount >=100 AND single.split_amount <500 THEN '100-500'
+        WHEN single.split_amount >=500 AND single.split_amount <1000 THEN '500-1000'
+        WHEN single.split_amount >=1000 AND single.split_amount <5000 THEN '1000-5000'
+        WHEN single.split_amount >=5000 AND single.split_amount <10000 THEN '5000-10000'
+        WHEN single.split_amount >=10000  THEN '10000及以上'
+    END AS money_area
+    FROM(
+        SELECT
+            order_date,
+            split_item,
+            goods_amt / length(split_array) as split_amount  -- 金额均分
+        FROM (
+            SELECT
+                order_date,
+                goods_amt,
+                splitByChar(',', platform_order_no) as split_array 
+            FROM 
+                dwd_trade_hkaudit_ecommerce_sale_mt
+            WHERE 
+                order_date >='2022-01-01 00:00:00'
+                AND order_date <'2025-07-01 00:00:00'
+        ) single
+        ARRAY JOIN split_array AS split_item
+    ) 
+) a
+GROUP BY 
+    YEAR(a.order_date),a.money_area
+ORDER BY 
+    年份,
+    CASE a.money_area
+        WHEN '0-10' THEN 1
+        WHEN '10-50' THEN 2
+        WHEN '50-100' THEN 3
+        WHEN '100-500' THEN 4
+        WHEN '500-1000' THEN 5
+        WHEN '1000-5000' THEN 6
+        WHEN '5000-10000' THEN 7
+        WHEN '10000及以上' THEN 8
+    END;
+
+-- 线下每年单笔订单金额分布
+SELECT
+    YEAR(order_date) AS '年份',
+    a.money_area AS '单笔订单金额',
+    count(a.platform_order_no) as '订单数量',
+    ROUND(sum(a.order_settle_amt),2) AS '销售金额'
+FROM(
+    SELECT 
+        order_settle_amt,
+        platform_order_no,
+    CASE 
+        WHEN pay_amt >0 AND pay_amt <10 THEN '0-10'
+        WHEN pay_amt >=10 AND pay_amt <50 THEN '10-50'
+        WHEN pay_amt >=50 AND pay_amt <100 THEN '50-100'
+        WHEN pay_amt >=100 AND pay_amt <500 THEN '100-500'
+        WHEN pay_amt >=500 AND pay_amt <1000 THEN '500-1000'
+        WHEN pay_amt >=1000 AND pay_amt <5000 THEN '1000-5000'
+        WHEN pay_amt >=5000 AND pay_amt <10000 THEN '5000-10000'
+        WHEN pay_amt >=10000  THEN '10000及以上'
+    END AS money_area
+    FROM 
+        dwd_trade_hkaudit_shop_receipt_pay_mt 
+    WHERE
+        order_date >='2022-01-01 00:00:00' 
+        AND order_date <'2025-07-01 00:00:00'
+    ) a
+GROUP BY 
+    a.money_area
+ORDER BY 
+    年份,
+    CASE a.money_area
+        WHEN '0-10' THEN 1
+        WHEN '10-50' THEN 2
+        WHEN '50-100' THEN 3
+        WHEN '100-500' THEN 4
+        WHEN '500-1000' THEN 5
+        WHEN '1000-5000' THEN 6
+        WHEN '5000-10000' THEN 7
+        WHEN '10000及以上' THEN 8
+    END;
+
+-- 线上每年同一个收货地址销售金额、订单数量(需考虑脱敏情况)
+SELECT
+    地址
+    round(sum(sales.order_settle_amt),2) as '销售金额',
+    COUNT(sales.platform_order_no) + 
+    SUM(LENGTH(sales.platform_order_no) - LENGTH(REPLACE(sales.platform_order_no, ',', ''))) as '订单数量'
+FROM
+    dwd_trade_hkaudit_ecommerce_sale_mt
+WHERE 
+    order_date >='2022-01-01 00:00:00' 
+    AND order_date <'2025-07-01 00:00:00'
+GROUP BY
+    地址
+
+-- 线上每年各天和各小时订单数和销售金额
+-- 各天
+SELECT
+    year(order_date) as '年份',
+    date(order_date) as '日期',
+    COUNT(sales.platform_order_no) + 
+    SUM(LENGTH(sales.platform_order_no) - LENGTH(REPLACE(sales.platform_order_no, ',', ''))) as '订单数量',
+    ROUND(SUM(final_amount),2) AS '销售金额'
+FROM
+    dwd_trade_hkaudit_ecommerce_sale_mt
+WHERE 
+    order_date >='2022-01-01 00:00:00' 
+    AND order_date <'2025-07-01 00:00:00'
+GROUP BY
+    year(order_date),date(order_date)
+order BY
+    年份, 日期;
+-- 各小时
+SELECT
+    year(order_date) as '年份',
+    CONCAT(HOUR(order_date), '点到', HOUR(order_date) + 1, '点') as '时间',
+    COUNT(platform_order_no) + 
+    SUM(LENGTH(platform_order_no) - LENGTH(REPLACE(platform_order_no, ',', ''))) as '订单数量',
+    ROUND(SUM(order_settle_amt),2) AS '销售金额'
+FROM
+    dwd_trade_hkaudit_ecommerce_sale_mt
+WHERE 
+    order_date >='2022-01-01 00:00:00' 
+    AND order_date <'2025-07-01 00:00:00'
+GROUP BY
+    year(order_date), HOUR(order_date)
+order BY
+    年份, 时间;
+
+-- 线下每年各天和各小时订单数和销售金额
+-- 各天
+SELECT
+    year(pay.pay_time) as '年份',
+    date(pay.pay_time) as '日期',
+    sum(order_num.num) as '订单数量',
+    round(sum(pay.amount),2) as '销售金额'
+FROM(
+    SELECT
+        platform_order_no,
+        max(pay_date) as pay_time,
+        round(sum(CASE WHEN pay_amt > 0 THEN pay_amt ELSE 0 END), 2) as amount
+    FROM 
+        dwd_trade_hkaudit_shop_receipt_pay_mt
+    WHERE 
+        pay_date >='2022-01-01 00:00:00' 
+        AND pay_date <'2025-07-01 00:00:00'
+    GROUP BY
+        platform_order_no
+) pay
+left join(
+    SELECT
+        platform_order_no,
+        count(platform_order_no) as num
+    FROM
+        dwd_trade_hkaudit_shop_receipt_mt
+    GROUP BY
+        platform_order_no
+) order_num
+on 
+    pay.platform_order_no = order_num.platform_order_no
+GROUP BY
+    year(pay.pay_time),date(pay.pay_time)
+order BY
+    年份,日期;
+
+-- 各小时
+SELECT
+    YEAR(pay.pay_time) as '年份',
+    CONCAT(HOUR(pay.pay_time), '点到', HOUR(pay.pay_time) + 1, '点') as '时间',
+    SUM(order_num.num) as '订单数量',
+    ROUND(SUM(pay.amount), 2) as '销售金额'
+FROM (
+    SELECT
+        platform_order_no,
+        MAX(pay_date) as pay_time,
+        sum(CASE WHEN pay_amt > 0 THEN pay_amt ELSE 0 END) as amount
+    FROM 
+        dwd_trade_hkaudit_shop_receipt_pay_mt
+    WHERE 
+        pay_date >= '2022-01-01 00:00:00' 
+        AND pay_date < '2025-07-01 00:00:00'
+    GROUP BY 
+        platform_order_no
+) pay
+LEFT JOIN (
+    SELECT
+        platform_order_no,
+        COUNT(platform_order_no) as num
+    FROM 
+        dwd_trade_hkaudit_shop_receipt_mt
+    GROUP BY 
+        platform_order_no
+) order_num 
+ON 
+    pay.platform_order_no = order_num.platform_order_no
+GROUP BY 
+    YEAR(pay.pay_time), HOUR(pay.pay_time)
+ORDER BY 
+    年份, 时间;
+
+-- 线上每年大促期间店铺销售金额、订单数量
+SELECT
+    store_code as '店铺编码',
+    YEAR(order_date) AS '年份',
+    CASE 
+        WHEN (MONTH(order_date) = 6 AND DAY(order_date) BETWEEN 15 AND 21) THEN '父亲节'
+        WHEN (MONTH(order_date) = 6 AND DAY(order_date) BETWEEN 10 AND 20) THEN '618'
+        WHEN (MONTH(order_date) = 11 AND DAY(order_date) BETWEEN 1 AND 15) THEN '双11'
+        ELSE '其他'
+    END as '大促类型',
+    ROUND(SUM(order_settle_amt), 2) as '销售金额',
+    COUNT(platform_order_no) + 
+    SUM(LENGTH(platform_order_no) - LENGTH(REPLACE(platform_order_no, ',', ''))) as '订单数量'
+FROM dwd_trade_hkaudit_ecommerce_sale_mt
+WHERE order_date >= '2022-01-01 00:00:00'
+    AND order_date < '2025-07-31 00:00:00'
+    AND (
+        (MONTH(order_date) = 6 AND DAY(order_date) BETWEEN 15 AND 21) OR  -- 父亲节
+        (MONTH(order_date) = 6 AND DAY(order_date) BETWEEN 10 AND 20) OR  -- 618
+        (MONTH(order_date) = 11 AND DAY(order_date) BETWEEN 1 AND 15)     -- 双11
+    )
+GROUP BY store_code, YEAR(order_date), 大促类型
+ORDER BY store_code ASC, 年份 ASC, 
+    CASE 
+        WHEN '大促类型' = '父亲节' THEN 1
+        WHEN '大促类型' = '618' THEN 2
+        WHEN '大促类型' = '双11' THEN 3
+    END;
+
+-- 线下每年大促期间店铺销售金额、订单数量
+SELECT
+    year(pay_time) as '年份',
+    pay.store as '店铺编码',
+    CASE 
+        WHEN (MONTH(pay.pay_time) = 6 AND DAY(pay.pay_time) BETWEEN 15 AND 21) THEN '父亲节'
+        WHEN (MONTH(pay.pay_time) = 6 AND DAY(pay.pay_time) BETWEEN 10 AND 20) THEN '618'
+        WHEN (MONTH(pay.pay_time) = 11 AND DAY(pay.pay_time) BETWEEN 1 AND 15) THEN '双11'
+        ELSE '其他'
+    END as '大促类型',
+    ROUND(SUM(pay.amount), 2) as '销售金额',
+    sum(order_num.num) as '订单数量'
+FROM(
+    SELECT
+        platform_order_no,
+        max(store_code) as store,
+        max(pay_date) as pay_time,
+        sum(CASE WHEN pay_amt > 0 THEN pay_amt ELSE 0 END) as amount
+    FROM 
+        dwd_trade_hkaudit_shop_receipt_pay_mt
+    WHERE 
+        pay_date >='2022-01-01 00:00:00' 
+        AND pay_date <'2025-07-01 00:00:00'
+        AND (
+        (MONTH(pay_date) = 6 AND DAY(pay_date) BETWEEN 15 AND 21) OR  -- 父亲节
+        (MONTH(pay_date) = 6 AND DAY(pay_date) BETWEEN 10 AND 20) OR  -- 618
+        (MONTH(pay_date) = 11 AND DAY(pay_date) BETWEEN 1 AND 15)     -- 双11
+    )
+    GROUP BY
+        platform_order_no
+) pay
+left join(
+    SELECT
+        platform_order_no,
+        count(platform_order_no) as num
+    FROM
+        dwd_trade_hkaudit_shop_receipt_mt
+    GROUP BY
+        platform_order_no
+) order_num
+on 
+    pay.platform_order_no = order_num.platform_order_no
+GROUP BY store_code, YEAR(order_date), 大促类型
+ORDER BY store_code, 年份, 
+    CASE 
+        WHEN '大促类型' = '父亲节' THEN 1
+        WHEN '大促类型' = '618' THEN 2
+        WHEN '大促类型' = '双11' THEN 3
+    END;
+
+
+-- 线上每年订单下单和发货间隔的销售金额、订单数量分布
+-- (并单如何考虑下单时间？)
+-- 视为同一时间下单
+SELECT
+    CASE timestampdiff(day,deliver_date,order_date)
+        WHEN 0 THEN '当天'
+        WHEN 1 THEN '1天'
+        WHEN 2 THEN '2天'
+        WHEN 3 THEN '3天'
+        WHEN 4 THEN '4天'
+        ELSE '5天及以上'
+    END AS '发货间隔',
+    SUM(order_settle_amt) AS '销售金额',
+    COUNT(platform_order_no) + 
+    SUM(LENGTH(platform_order_no) - LENGTH(REPLACE(platform_order_no, ',', ''))) AS '订单数量'
+FROM
+    dwd_trade_hkaudit_ecommerce_sale_mt sales
+WHERE
+    order_date >= '2022-01-01 00:00:00'
+    AND order_date < '2025-07-31 00:00:00'
+GROUP BY
+    发货间隔
+ORDER BY
+    CASE 发货间隔
+        WHEN '当天' THEN 1
+        WHEN '1天' THEN 2
+        WHEN '2天' THEN 3
+        WHEN '3天' THEN 4
+        WHEN '4天' THEN 5
+        WHEN '5天及以上' THEN 6
+    END;
+
+
+-- 线上每年各物流承运商销售金额、订单数量
+SELECT
+    year(sales.order_date) AS '年份',
+    carrier as '物流承运商',
+    round(sum(sales.order_settle_amt),2) as '销售金额',
+    COUNT(sales.platform_order_no) + 
+    SUM(LENGTH(sales.platform_order_no) - LENGTH(REPLACE(sales.platform_order_no, ',', ''))) as '订单数量'
+FROM
+    dwd_trade_hkaudit_ecommerce_sale_mt sales
+WHERE  
+    order_date >= '2022-01-01 00:00:00'
+    AND order_date < '2025-07-31 00:00:00'
+GROUP BY
+    year(sales.order_date), carrier
+order BY 年份, carrier;
+
+-- 线上每年退款大于原销售的差异金额、订单数量
+SELECT
+    store_code AS '店铺编码',
+    YEAR(order_date) AS '年份',
+    ROUND(SUM(excess_refund), 2) AS '差异金额',
+    COUNT(*) AS '订单数量'
+FROM (
+    SELECT
+        s.store_code,
+        s.order_date,
+        s.order_settle_amt AS sale_amt,
+        COALESCE(r.return_amt, 0) + COALESCE(c.change_amt, 0) AS refund_amt,
+        CASE 
+            WHEN (COALESCE(r.return_amt, 0) + COALESCE(c.change_amt, 0)) > ABS(s.order_settle_amt) 
+            THEN (COALESCE(r.return_amt, 0) + COALESCE(c.change_amt, 0)) - ABS(s.order_settle_amt)
+            ELSE 0
+        END AS excess_refund
+    FROM dwd_trade_hkaudit_ecommerce_sale_mt s
+    LEFT JOIN (
+        SELECT platform_order_no, SUM(return_goods_amt) AS return_amt
+        FROM dwd_trade_hkaudit_ecommerce_sale_return_mt
+        GROUP BY platform_order_no
+    ) r ON s.platform_order_no = r.platform_order_no
+    LEFT JOIN (
+        SELECT platform_order_no, SUM(special_barcode_amt) AS change_amt
+        FROM dwd_trade_hkaudit_ecommerce_sale_change_mt
+        GROUP BY platform_order_no
+    ) c ON s.platform_order_no = c.platform_order_no
+    WHERE (r.return_amt IS NOT NULL OR c.change_amt IS NOT NULL)
+        AND s.order_date >= '2022-01-01 00:00:00'
+        AND s.order_date < '2025-07-01 00:00:00'
+) excess_data
+WHERE excess_refund > 0
+GROUP BY store_code, YEAR(order_date)
+ORDER BY 年份, 超额退款总金额 DESC;
+
+
+-- 线下每年退款大于原销售的差异金额、订单数量
+SELECT 
+    YEAR(pay_time) AS '年份',
+    SUM(total_refund - total_sale) AS '差异金额',
+    COUNT(*) AS '订单数量'
+FROM (
+    SELECT 
+        receipt_no,
+        SUM(CASE WHEN pay_amt > 0 THEN pay_amt ELSE 0 END) AS total_sale,
+        SUM(CASE WHEN pay_amt < 0 THEN ABS(pay_amt) ELSE 0 END) AS total_refund,
+        MAX(pay_date) AS pay_time
+    FROM dwd_trade_hkaudit_shop_receipt_pay_mt
+    GROUP BY receipt_no
+    HAVING total_refund > total_sale
+)
+GROUP BY YEAR(pay_time);