查询用于对通过与组条件coulmns计数BY

Question

表结构

id(int) 
dated_on(datetime) 
(many_more) 

具有表数千由ID分组数据。

I want result as id, count of that id, 
also count of id having date difference is week.(i.e. count of data last week) 

Answer 1

select 
id, 
count(id) as cnt, 
sum(if(now() - interval 7 day <= dated_on,1,0)) as lastweek 
from table 
group by id 

Answer 2

SELECT 
    id, 
    COUNT(*), 
    SUM(CASE WHEN dated_on = CURDATE() - 7 THEN 1 ELSE 0 END) 
FROM 
    yourTable 
GROUP BY 
    id 

Answer 3

我也得到了解决：

SELECT id, count(id) as counter, 
COUNT(CASE WHEN DATEDIFF(CURDATE(), dated_on) < 7 THEN 1 ELSE NULL END) AS latest_count 
FROM my_table 
GROUP BY id