我正在使用 SUM() 计算同一个表中两列的总和，但最终结果是一个整数 (286676)。我猜这是毫秒？如何转换为 TIME(00:00:00)？
数据库
id|hours_worked | hours_worked_wk2 |
hours_worked = 14:33:38 hours_worked_wk2 = 14:33:38
查询
SELECT *,SEC_TO_TIME(SUM(TIME_TO_SEC(ep.hours_worked)))+SEC_TO_TIME(SUM(TIME_TO_SEC(ep.hours_worked_wk2)))
AS TotalHoursWorked
FROM employeepayroll ep
JOIN employees em ON ep.employee_id=em.employee_id
JOIN payroll p ON ep.payroll_id=p.payroll_id
JOIN payrolltaxes pt ON ep.payroll_id=pt.payroll_id
WHERE ep.timesheet_status='Approved' AND p.pay_group='26'
ORDER BY ep.payroll_id DESC
TotalHoursWorkd = 286676
最佳答案
使用以下公式。
hours = cast(duration_in_milliseconds \ (60 * 60 * 1000) as int)
mins = (duration_in_milliseconds \ (60 * 1000)) mod 60
secs = (duration_in_milliseconds \ 1000) mod 60
您的查询将如下所示:
select cast(duration_in_milliseconds\(60*60*1000) as int)+':'((duration_in_milliseconds \ (60*1000)) mod 60;)+':'((duration_in_milliseconds \ 1000) mod 60) from something
关于Mysql SUM() TIME 格式错误，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/43265240/