按句点查询sql

时间：2010-12-21 02:39:54

标签： sql-server sql-server-2005

我的表中有2个字段，NEXTTIME和ENDTIME，表名是VISIT。

我会从我的页面获取一个值00:05:00或类似的那样。最短是5分钟。

我将不得不根据该值从数据库进行查询。

我将获得最早的NEXTTIME，那个时间+ 00:05:00。

让我们说最早的NEXTTIME是06:44。

我的查询将像06：45,06：50，等等..

我还有另一个输入值，即间隔时间。

Nvm那个。

我只想知道如何按间隔查询。

结果看起来像这样。 alt text

NEXTTIME：ENDTIME

06：55：00~06：58：00

07：25：00~07：28：00

07：35：00~08：52：00

08：38：00~08：48：00

08：40：00~08：54：00

08：43：00~09：36：00

09：12：00~09：30

1 个答案:

答案 0 :(得分：1)

这是基于所提供的信息以及我对您提出的解决方案的理解。为了满足图表周期，只需更改每个联合查询的select语句和where子句中的句点。

USE master
GO

create database Tests
GO

USE Tests
GO

create table Visits (
    nexttime    datetime    not null
    , endtime   datetime    not null
)
GO

BEGIN TRANSACTION

insert into Visits (nexttime, endtime) select N'06:55:00', N'06:58:00'
insert into Visits (nexttime, endtime) select N'07:25:00', N'07:28:00'
insert into Visits (nexttime, endtime) select N'07:35:00', N'08:52:00'
insert into Visits (nexttime, endtime) select N'08:38:00', N'08:48:00'
insert into Visits (nexttime, endtime) select N'08:40:00', N'08:54:00'
insert into Visits (nexttime, endtime) select N'08:43:00', N'09:36:00'
insert into Visits (nexttime, endtime) select N'09:12:00', N'09:30:00'

COMMIT

select N'06:30 - 07:00' as period
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 5 and 10 then 1 else 0 end) as [5:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 10 and 15 then 1 else 0 end) as [10:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 15 and 20 then 1 else 0 end) as [15:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 20 and 25 then 1 else 0 end) as [20:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 25 and 30 then 1 else 0 end) as [25:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 30 and 35 then 1 else 0 end) as [30:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 35 and 40 then 1 else 0 end) as [35:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 40 and 45 then 1 else 0 end) as [40:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 45 and 50 then 1 else 0 end) as [45:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) >= 50 then 1 else 0 end) as [50:00] 
from Visits
where nexttime between CONVERT(datetime, N'06:30:00', 108) and CONVERT(datetime, N'07:00:00', 108)
union
select N'07:00 - 07:30' as period
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 5 and 10 then 1 else 0 end) as [5:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 10 and 15 then 1 else 0 end) as [10:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 15 and 20 then 1 else 0 end) as [15:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 20 and 25 then 1 else 0 end) as [20:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 25 and 30 then 1 else 0 end) as [25:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 30 and 35 then 1 else 0 end) as [30:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 35 and 40 then 1 else 0 end) as [35:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 40 and 45 then 1 else 0 end) as [40:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 45 and 50 then 1 else 0 end) as [45:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) >= 50 then 1 else 0 end) as [50:00] 
from Visits
where nexttime between CONVERT(datetime, N'07:00:00', 108) and CONVERT(datetime, N'07:30:00', 108)
union
select N'07:30 - 08:00' as period
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 5 and 10 then 1 else 0 end) as [5:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 10 and 15 then 1 else 0 end) as [10:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 15 and 20 then 1 else 0 end) as [15:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 20 and 25 then 1 else 0 end) as [20:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 25 and 30 then 1 else 0 end) as [25:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 30 and 35 then 1 else 0 end) as [30:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 35 and 40 then 1 else 0 end) as [35:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 40 and 45 then 1 else 0 end) as [40:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 45 and 50 then 1 else 0 end) as [45:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) >= 50 then 1 else 0 end) as [50:00] 
from Visits
where nexttime between CONVERT(datetime, N'07:30:00', 108) and CONVERT(datetime, N'08:00:00', 108)
union
select N'08:00 - 08:30' as period
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 5 and 10 then 1 else 0 end) as [5:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 10 and 15 then 1 else 0 end) as [10:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 15 and 20 then 1 else 0 end) as [15:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 20 and 25 then 1 else 0 end) as [20:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 25 and 30 then 1 else 0 end) as [25:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 30 and 35 then 1 else 0 end) as [30:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 35 and 40 then 1 else 0 end) as [35:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 40 and 45 then 1 else 0 end) as [40:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 45 and 50 then 1 else 0 end) as [45:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) >= 50 then 1 else 0 end) as [50:00] 
from Visits
where nexttime between CONVERT(datetime, N'08:00:00', 108) and CONVERT(datetime, N'08:30:00', 108)
union
select N'08:30 - 09:00' as period
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 5 and 10 then 1 else 0 end) as [5:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 10 and 15 then 1 else 0 end) as [10:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 15 and 20 then 1 else 0 end) as [15:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 20 and 25 then 1 else 0 end) as [20:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 25 and 30 then 1 else 0 end) as [25:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 30 and 35 then 1 else 0 end) as [30:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 35 and 40 then 1 else 0 end) as [35:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 40 and 45 then 1 else 0 end) as [40:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 45 and 50 then 1 else 0 end) as [45:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) >= 50 then 1 else 0 end) as [50:00] 
from Visits
where nexttime between CONVERT(datetime, N'08:30:00', 108) and CONVERT(datetime, N'09:00:00', 108)
union
select N'09:00 - 09:30' as period
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 5 and 10 then 1 else 0 end) as [5:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 10 and 15 then 1 else 0 end) as [10:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 15 and 20 then 1 else 0 end) as [15:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 20 and 25 then 1 else 0 end) as [20:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 25 and 30 then 1 else 0 end) as [25:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 30 and 35 then 1 else 0 end) as [30:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 35 and 40 then 1 else 0 end) as [35:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 40 and 45 then 1 else 0 end) as [40:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) between 45 and 50 then 1 else 0 end) as [45:00]
    , SUM(case when DATEDIFF(MI, nexttime, endtime) >= 50 then 1 else 0 end) as [50:00] 
from Visits
where nexttime between CONVERT(datetime, N'09:00:00', 108) and CONVERT(datetime, N'09:30:00', 108)

<强>输出 

╔══════════════╦═══╦═══╦═══╦═══╦═══╦═══╦═══╦═══╦═══╦═══╗
║06:30 - 07:00 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║
╠══════════════╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╣
║07:00 - 07:30 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║
╠══════════════╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╣
║07:30 - 08:00 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 1 ║
╠══════════════╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╣
║08:00 - 08:30 ║   ║   ║   ║   ║   ║   ║   ║   ║   ║   ║
╠══════════════╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╣
║08:30 - 09:00 ║ 1 ║ 2 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 1 ║
╠══════════════╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╬═══╣
║09:00 - 09:30 ║ 0 ║ 0 ║ 1 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║ 0 ║
╚══════════════╩═══╩═══╩═══╩═══╩═══╩═══╩═══╩═══╩═══╩═══╝

随意说我是否正确理解了你的问题。

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