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关于随机填充时间段问题,原问题如下:



我想按工号逐行把平时加班小时大于2的人晚班上班设置到18:15-18:30之间,晚班下班设置到20:30-20:45之间
应该怎么写啊

回答:

create table #a (id int,date1 varchar(20),date2 varchar(20),date3 varchar(10))
 insert into  #a (id,date1,date2,date3)
           values('000016','18:20','23:44','5'),
                 ('000641','18:19','23:42','5'),
                 ('000441','18:31','23:42','5'),
                 ('000345','18:10','23:41','5'),
                 ('000436','18:30','23:38','5')   
 
   select ID,
           convert(varchar(5),DATEADD(minute,30-15*rand()-datepart(minute,date1),date1),108)as date1,
           convert(varchar(5),(case when date3>2
                                 then (select DATEADD(minute,30+15*rand(),'20:00:00'))
                                  else ''
                                   end),108)as date2 from #a

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转载自blog.csdn.net/qyx0714/article/details/55258676