Mysql 基于列和状态列的组合获取记录的查询
我有一张这样的桌子Mysql 基于列和状态列的组合获取记录的查询,mysql,sql,database,subquery,Mysql,Sql,Database,Subquery,我有一张这样的桌子 +----------+----------+-----------+------------+ | id | group | info | status | +----------+----------+-----------+------------+ | 1 | 1 | VALUE123 | EXECUTED | | 2 | 1 | VALUE123 | INPROGRE
+----------+----------+-----------+------------+
| id | group | info | status |
+----------+----------+-----------+------------+
| 1 | 1 | VALUE123 | EXECUTED |
| 2 | 1 | VALUE123 | INPROGRESS |
| 3 | 1 | VALUE123 | UPLOADED |
| 4 | 1 | VALUE123 | UPLOADED |
| 5 | 1 | VALUE123 | UPLOADED |
| 6 | 1 | VALUE123 | UPLOADED |
| 7 | 2 | VALUE123 | EXECUTED |
| 8 | 2 | VALUE123 | UPLOADED |
| 9 | 2 | VALUE123 | UPLOADED |
| 11 | 2 | VALUE123 | UPLOADED |
| 12 | 2 | VALUE123 | UPLOADED |
| 13 | 2 | VALUE123 | UPLOADED |
+----------+----------+-----------+------------+
我正在尝试创建一个查询,该查询应该给我一个记录,以便表中的no行应该具有相同的“group”和“info”组合,而不会具有“INPROGRESS”中的状态
但是,由于我在形成如此复杂的查询方面知识有限,所以我无法取得多大进展
例如,查询将从id[7-13]中的任意一行中提供一条记录,而不是从第[1-6]行
原因:由于id 2的状态为“INPROGRESS”,行[1-6]将不满足条件
希望我的查询有意义。您可以使用
不存在:
select t.*
from mytable t
where not exists (
select 1
from mytable t1
wher t1.grp = t.grp and and t1.info = t.info and t1.status = 'INPROGRESS'
)
或者,在MySQL 8.0中,您可以使用窗口函数执行此操作:
select *
from (
select t.*,
max(status = 'INPROGRESS') over(partition by grp, info) as flag
from mytable t
) t
where flag = 0
注意:group
是一个语言关键字(如groupby
),因此不是一个很好的列名选择;我在查询中将其重命名为grp
。欢迎使用SO。请看:非常感谢@GMB。你的问题对我有用。我将它标记为已解决。