Question

请参阅此链接：http://sqlfiddle.com/#!9/f435e/15。

我希望在MS SQL Server上运行此查询。这目前正在我的MySQL上运行，但不幸的是我们正在迁移到MS SQL Server。

请帮忙。

Answer 1

create table logs (Pin varchar(20),Mode varchar(100),Date_time datetime(3));
insert into logs values ('16514','IN','2015-06-12 16:37:46');
insert into logs values ('16514','OUT','2015-06-13 06:37:46');
insert into logs values ('16514','IN','2015-06-13 16:37:46');
insert into logs values ('16514','OUT','2015-06-14 06:37:46');

select  pin, in_datetime,
out_datetime,
date_format(SEC_TO_TIME(TIMESTAMPDIFF(SECOND,in_datetime,out_datetime)),
'%H:%i:%S') as duration
from (
      select
            pin
          , date_time as in_datetime
          , (select l.date_time from logs as l
             where l.date_time > logs.date_time
             and l.mode = 'OUT'
             order by l.date_time ASC
             LIMIT 1) as out_datetime
      from logs
      where mode = 'IN'
    ) as

Answer 2

好的，创建和插入查询没问题。

但是对于select查询，您可以在SQL SERVER中尝试以下查询：

select
       pin
     , in_datetime
     , out_datetime
     , CONVERT(varchar, DATEADD(ms, DATEDIFF(SECOND,in_datetime,out_datetime) * 1000, 0), 114) as duration
from (
      select
            pin
          , date_time as in_datetime
          , (select TOP 1 l.date_time from logs as l
             where l.date_time > logs.date_time
             and l.mode = 'OUT'
             order by l.date_time ASC) as out_datetime
      from logs
      where mode = 'IN'
    ) as relog

这个MySQL查询到MS SQL Server的等价物是什么？

2 个答案: