mysql - 将小时格式转换为 hh :mm:format in MySql

Question

目前我正在 SQL 中执行此操作:

    select emp_code,in_time,out_time,worked_time,WT,shift_work_time,
    case when enable_overtime = 1 and TIMEDIFF(WT,shift_work_time) > 0
then hour(TIMEDIFF(WT,(shift_work_time))) else 0 end as OT
FROM myTable;

我在第8行得到了错误的OT，因为shift_work_time是小时格式，所以我想将以小时为单位的shift_worke_time转换为hh:mm:ss我该怎么做？预先感谢您

我也尝试过TIME_FORMAT(shift_worke_time, '%H:%i:%s') 但当 shift_worke_time 为 10 时，输出为 00:00:10 但它应该是

10:00:00

Answer 1

使用STR_TO_DATE(shift_worke_time,'%H')

 SELECT 
  select emp_code,in_time,out_time,worked_time,WT,(shift_worke_time,'%H') as shift_worke_time,
    case when enable_overtime = 1 and TIMEDIFF(WT,(shift_worke_time,'%H')) > 0
then hour(TIMEDIFF(WT,(shift_worke_time,'%H'))) else 0 end as OT
FROM myTable;