MySQL 工作台，如何为日期创建过滤器以安排组
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【中文标题】MySQL 工作台，如何为日期创建过滤器以安排组【英文标题】：MySQL workbench, How to create a Filter for a Date to arrange a group 【发布时间】：2018-07-17 18:58:03 【问题描述】：我正在处理日期组。目前它不会返回任何结果。 我尝试过不同的过滤器或没有日期的组，效果很好，但我需要根据日期或时间戳创建一个组。
这是一个代码
SELECT
settlement_id,
settlement_start_date,
sku AS 'Settlement_sku',
SUM(IF(transaction_type = 'order'
AND amount_description = 'Principal'
AND amount_type = 'ItemPrice',
quantity_purchased,
0)) AS 'total_QTY_Order'
FROM settlements
Where settlement_start_date ='2017-11-12'
GROUP BY sku
HAVING Settlement_sku IS NOT NULL
AND LENGTH(Settlement_sku) > 0
ORDER BY Settlement_sku ASC
当我得到结果时
如果我删除where settlement_start_date ='2017-11-12'
并将其更改为Where settlement_id ='7135956892'
结果正常，请看截图
问题是结算开始日期是 0000-00-00 那么如何在不依赖 0000-00-00 的情况下获得一个组。
这是表格 如您所见，我想要黄色高亮组与蓝色高亮并忽略所有红色高亮
如果你不确定我在说什么，那么也许我可以解释更多
【问题讨论】：
我完全不清楚，如果您还没有存储开始日期，您希望从哪里获得它？如果您将来自定居点的示例原始数据作为文本添加到您的问题中，这可能有助于澄清 也许这可以帮助你更清楚db-fiddle.com/f/h4dXWZgsHebqGyeMLSutPC/0 【参考方案1】：您可以使用自联接根据结算的最小 ID 填写开始和结束日期 例如
select #s.minid,s.maxstdate,s.maxenddate, s2.*
id ,
s2.settlement_id ,
s.maxstdate ,
s.maxenddate ,
deposit_date ,
total_amount ,
currency ,
transaction_type ,
order_id ,
merchant_order_id ,
adjustment_id ,
shipment_id ,
marketplace_name ,
amount_type ,
amount_description ,
amount ,
fulfillment_id ,
posted_date ,
posted_date_time ,
order_item_code ,
merchant_order_item_id ,
merchant_adjustment_item_id ,
sku ,
quantity_purchased ,
promotion_id
from
(
select s1.settlement_id , min(id) minid,max(settlement_start_date) maxstdate,max(settlement_end_date) maxenddate
from settlements_2_test s1
group by s1.settlement_id
) s
join settlements_2_test s2 on s2.id > s.minid and s2.settlement_id = s.settlement_id
order by id,settlement_id limit 5
结果
+----+---------------+------------+------------+--------------+--------------+----------+------------------+---------------------+---------------------+---------------+-------------+------------------+-------------+--------------------------+--------+----------------+-------------+-------------------------+-----------------+------------------------+-----------------------------+------------------+--------------------+--------------+
| id | settlement_id | maxstdate | maxenddate | deposit_date | total_amount | currency | transaction_type | order_id | merchant_order_id | adjustment_id | shipment_id | marketplace_name | amount_type | amount_description | amount | fulfillment_id | posted_date | posted_date_time | order_item_code | merchant_order_item_id | merchant_adjustment_item_id | sku | quantity_purchased | promotion_id |
+----+---------------+------------+------------+--------------+--------------+----------+------------------+---------------------+---------------------+---------------+-------------+------------------+-------------+--------------------------+--------+----------------+-------------+-------------------------+-----------------+------------------------+-----------------------------+------------------+--------------------+--------------+
| 2 | 7174103342 | 2017-12-24 | 2018-01-07 | | 0.00 | | Order | 204-3505716-0081143 | 204-3505716-0081143 | | DMX5Sr4rN | Amazon.co.uk | ItemPrice | Principal | 39.99 | AFN | 26.12.2017 | 26.12.2017 15:08:49 UTC | 59733226356523 | | | UK-KC3816-0006 | 1 | |
| 3 | 7174103342 | 2017-12-24 | 2018-01-07 | | 0.00 | | Order | 204-3505716-0081143 | 204-3505716-0081143 | | DMX5Sr4rN | Amazon.co.uk | ItemFees | FBAPerUnitFulfillmentFee | -4.24 | AFN | 26.12.2017 | 26.12.2017 15:08:49 UTC | 59733226356523 | | | UK-KC3816-0006 | 1 | |
| 4 | 7174103342 | 2017-12-24 | 2018-01-07 | | 0.00 | | Order | 204-3505716-0081143 | 204-3505716-0081143 | | DMX5Sr4rN | Amazon.co.uk | ItemFees | Commission | -6.00 | AFN | 26.12.2017 | 26.12.2017 15:08:49 UTC | 59733226356523 | | | UK-KC3816-0006 | 1 | |
| 5 | 7174103342 | 2017-12-24 | 2018-01-07 | | 0.00 | | Order | 205-1808036-3091505 | 205-1808036-3091505 | | D2RMyvqF4 | Amazon.co.uk | ItemPrice | Principal | 29.99 | AFN | 07.01.2018 | 07.01.2018 11:49:18 UTC | 25477500530227 | | | GB-KS8015-Grey-R | 1 | |
| 6 | 7174103342 | 2017-12-24 | 2018-01-07 | | 0.00 | | Order | 205-1808036-3091505 | 205-1808036-3091505 | | D2RMyvqF4 | Amazon.co.uk | ItemFees | FBAPerUnitFulfillmentFee | -2.48 | AFN | 07.01.2018 | 07.01.2018 11:49:18 UTC | 25477500530227 | | | GB-KS8015-Grey-R | 1 | |
+----+---------------+------------+------------+--------------+--------------+----------+------------------+---------------------+---------------------+---------------+-------------+------------------+-------------+--------------------------+--------+----------------+-------------+-------------------------+-----------------+------------------------+-----------------------------+------------------+--------------------+--------------+
5 rows in set (0.00 sec)
【讨论】：
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