如何使用格式（HH：mm：ss）在MySQL查询中减去时间

Question

timestart = 16:46:33

timeend = 16:48:22

预期结果= 00:01:49

我的查询：

Select timestart , timeend, (timeend - timestart) as rangetime from time; 

Answer 1

检查MySQL TIMEDIFF功能。

试试这个：

SELECT timestart, timeend, TIMEDIFF(timeend, timestart) AS rangetime 
FROM time;

Answer 2

尝试使用SubTime

Select timestart , timeend, SUBTIME(timestart ,timeend) As rangetime from time; 

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Answer 3

select Timestart,Timeend,subtime(Timestart,Timeend) as rangetime from time;

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Answer 4

检查 TIMEDIFF 功能

试试这个

    SELECT timestart,
       timeend,
       TIMEDIFF(timeend,timestart) AS rangetime
FROM `time`;