mysql 查询开始、结束时间差,并进行时间汇总
select SEC_TO_TIME( sum(TIME_TO_SEC(TIMEDIFF(a.endDate,a.startDate))) ) aafromattendfilltb a,
usertb u
where
a.declarationTypeId= '1355710471434'
and a.createUid = u.id
and u.empId = '1363075075516';
TIMEDIFF--计算时间差
TIME_TO_SEC时间转
sum 汇总
SEC_TO_TIME转
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