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我有一个关于 SQL 查询的问题,我想知道从哪里开始。到目前为止的想法包括在内存中创建一个包含一系列日期的表,并连接到该表以获取特定日期输入的小时数总和。
这里提供一些信息,只是为了让您了解这个问题的背景。
数据库的结构如下:
我试图通过当前编写的查询实现的结果需要如下所示:
到目前为止我写的查询:
DECLARE @Deleted AS BIT
DECLARE @WeekStartDate AS DATETIME
DECLARE @WeekEndDate AS DATETIME
SET @Deleted = 0
SET @WeekStartDate = '2011/05/01 00:00'
SET @WeekEndDate = '2011/05/07 00:00'
SELECT
[JobSheet].[JobSheetDate],
[JobSheet].[ContractID],
[JobSheet].[ContractCode],
[JobSheet].[ContractTitle],
[JobSheet].[ProjectID],
[JobSheet].[ProjectCode],
[JobSheet].[ProjectTitle],
[JobSheet].[JobID],
[JobSheet].[JobCode],
[JobSheet].[JobTitle],
[JobSheet].[SageDatabaseID],
[JobSheetLineHours].[CostRateCode],
SUM([JobSheetLineHours].[Hours]) AS TotalCostRateHours,
'???' AS 'Mon',
'???' AS 'Tue',
'???' AS 'Wed',
'???' AS 'Thu',
'???' AS 'Fri',
'???' AS 'Sat',
'???' AS 'Sun'
FROM [JobSheet]
INNER JOIN [JobSheetLine]
ON [JobSheetLine].[JobSheetID]
= [JobSheet].[JobSheetID]
INNER JOIN [JobSheetLineHours]
ON [JobSheetLineHours].[JobSheetLineID]
= [JobSheetLine].[JobSheetLineID]
WHERE
[JobSheet].[Deleted]=@Deleted
AND [JobSheet].[JobSheetDate] >= @WeekStartDate
AND [JobSheet].[JobSheetDate] <= @WeekEndDate
AND [JobSheetLine].[Deleted]=@Deleted
AND [JobSheetLineHours].[Deleted]=@Deleted
GROUP BY
[JobSheet].[JobSheetDate],
[JobSheet].[ContractID],
[JobSheet].[ContractCode],
[JobSheet].[ContractTitle],
[JobSheet].[ProjectID],
[JobSheet].[ProjectCode],
[JobSheet].[ProjectTitle],
[JobSheet].[JobID],
[JobSheet].[JobCode],
[JobSheet].[JobTitle],
[JobSheet].[SageDatabaseID],
[JobSheetLineHours].[CostRateCode]
输出结果集如下:
正如您所看到的,结果集几乎就在那里,我只需要计算当天的工作小时数,按 ContractID、JobID、ProjectID、CostRateCode 进行分组,这样我就可以获得每个成本费率的小时数每个独特的项目。
当前的表格设计可以实现这一点吗?或者使用临时日历表来存储传入查询的两个日期之间的日期?
编辑:更新的查询:
SET DATEFIRST 1 -- Set the first day of week to monday
GO
DECLARE @Deleted AS BIT
DECLARE @RequestedByID AS BIGINT
DECLARE @WeekStartDate AS DATETIME
DECLARE @WeekEndDate AS DATETIME
DECLARE @WaitingForUserID AS BIGINT
DECLARE @WaitingForUserTypeID AS BIGINT
DECLARE @WaitingForTypeUser AS VARCHAR(50)
DECLARE @WaitingForTypeUserType AS VARCHAR(50)
SET @Deleted = 0
SET @WeekStartDate = '2009/05/01 00:00'
SET @WeekEndDate = '2012/05/07 00:00'
SELECT
[JobSheet].[JobSheetDate],
[JobSheet].[ContractID],
[JobSheet].[ContractCode],
[JobSheet].[ContractTitle],
[JobSheet].[ProjectID],
[JobSheet].[ProjectCode],
[JobSheet].[ProjectTitle],
[JobSheet].[JobID],
[JobSheet].[JobCode],
[JobSheet].[JobTitle],
[JobSheet].[SageDatabaseID],
[JobSheetLineHours].[CostRateCode],
SUM([JobSheetLineHours].[Hours]) AS TotalCostRateHours,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 1
THEN SUM(JobSheetLineHours.Hours )
END
AS MON,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 2
THEN SUM(JobSheetLineHours.Hours )
END
AS TUE,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 3
THEN SUM(JobSheetLineHours.Hours )
END
AS WED,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 4
THEN SUM(JobSheetLineHours.Hours )
END
AS THU,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 5
THEN SUM(JobSheetLineHours.Hours )
END
AS FRI,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 6
THEN SUM(JobSheetLineHours.Hours )
END
AS SAT,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 7
THEN SUM(JobSheetLineHours.Hours )
END
AS SUN
FROM [JobSheet]
INNER JOIN [JobSheetLine]
ON [JobSheetLine].[JobSheetID]
= [JobSheet].[JobSheetID]
INNER JOIN [JobSheetLineHours]
ON [JobSheetLineHours].[JobSheetLineID]
= [JobSheetLine].[JobSheetLineID]
WHERE
[JobSheet].[Deleted]=@Deleted
AND [JobSheet].[JobSheetDate] >= @WeekStartDate
AND [JobSheet].[JobSheetDate] <= @WeekEndDate
AND [JobSheetLine].[Deleted]=@Deleted
AND [JobSheetLineHours].[Deleted]=@Deleted
GROUP BY
[JobSheet].[JobSheetDate],
[JobSheet].[ContractID],
[JobSheet].[ContractCode],
[JobSheet].[ContractTitle],
[JobSheet].[ProjectID],
[JobSheet].[ProjectCode],
[JobSheet].[ProjectTitle],
[JobSheet].[JobID],
[JobSheet].[JobCode],
[JobSheet].[JobTitle],
[JobSheet].[SageDatabaseID],
[JobSheetLineHours].[CostRateCode],
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 1
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 2
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 3
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 4
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 5
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 6
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 7
THEN JobSheetLineHours.Hours
END
更新的结果集:
我现在想做的是从结果集中删除 JobSheetDate,这样每天的总小时数就不会全部位于单独的行上,例如。同一契约(Contract)、项目等的值放在同一行中,但放在周一、周二、周三等列中,而不是放在多行中,其中填充了一天的小时数,其余日期为空(请参见屏幕截图)
<小时/>编辑2:更新的查询:
SET DATEFIRST 1 -- Set the first day of week to monday
GO
DECLARE @Deleted AS BIT
DECLARE @WeekStartDate AS DATETIME
DECLARE @WeekEndDate AS DATETIME
SET @Deleted = 0
SET @WeekStartDate = '2009/05/01 00:00'
SET @WeekEndDate = '2012/05/07 00:00'
SELECT
--[JobSheet].[JobSheetDate],
[JobSheet].[ContractID],
[JobSheet].[ContractCode],
[JobSheet].[ContractTitle],
[JobSheet].[ProjectID],
[JobSheet].[ProjectCode],
[JobSheet].[ProjectTitle],
[JobSheet].[JobID],
[JobSheet].[JobCode],
[JobSheet].[JobTitle],
[JobSheet].[SageDatabaseID],
[JobSheetLineHours].[CostRateCode],
SUM([JobSheetLineHours].[Hours]) AS TotalCostRateHours,
SUM( CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 1
THEN JobSheetLineHours.Hours
END )
AS MON,
SUM( CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 2
THEN JobSheetLineHours.Hours
END )
AS TUE,
SUM(CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 3
THEN JobSheetLineHours.Hours
END)
AS WED,
SUM( CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 4
THEN JobSheetLineHours.Hours
END)
AS THU,
SUM(CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 5
THEN JobSheetLineHours.Hours
END )
AS FRI,
SUM( CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 6
THEN JobSheetLineHours.Hours
END )
AS SAT,
SUM( CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 7
THEN JobSheetLineHours.Hours
END )
AS SUN
FROM [JobSheet]
INNER JOIN [JobSheetLine]
ON [JobSheetLine].[JobSheetID]
= [JobSheet].[JobSheetID]
INNER JOIN [JobSheetLineHours]
ON [JobSheetLineHours].[JobSheetLineID]
= [JobSheetLine].[JobSheetLineID]
WHERE
[JobSheet].[Deleted]=@Deleted
AND [JobSheet].[JobSheetDate] >= @WeekStartDate
AND [JobSheet].[JobSheetDate] <= @WeekEndDate
AND [JobSheetLine].[Deleted]=@Deleted
AND [JobSheetLineHours].[Deleted]=@Deleted
GROUP BY
--[JobSheet].[JobSheetDate],
[JobSheet].[ContractID],
[JobSheet].[ContractCode],
[JobSheet].[ContractTitle],
[JobSheet].[ProjectID],
[JobSheet].[ProjectCode],
[JobSheet].[ProjectTitle],
[JobSheet].[JobID],
[JobSheet].[JobCode],
[JobSheet].[JobTitle],
[JobSheet].[SageDatabaseID],
[JobSheetLineHours].[CostRateCode],
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate)
WHEN 1
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 2
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 3
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 4
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 5
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 6
THEN JobSheetLineHours.Hours
END,
CASE DATEPART(WEEKDAY, JobSheet.JobSheetDate) WHEN 7
THEN JobSheetLineHours.Hours
END
结果:
<小时/>完成查询的最终更新:
SET DATEFIRST 1 -- Set the first day of week to monday
GO
DECLARE @Deleted AS BIT
DECLARE @WeekStartDate AS DATETIME
DECLARE @WeekEndDate AS DATETIME
SET @Deleted = 0
SET @WeekStartDate = '2009/05/01 00:00'
SET @WeekEndDate = '2012/05/07 00:00'
SELECT
[JobSheet].[ContractID],
[JobSheet].[ContractCode],
[JobSheet].[ContractTitle],
[JobSheet].[ProjectID],
[JobSheet].[ProjectCode],
[JobSheet].[ProjectTitle],
[JobSheet].[JobID],
[JobSheet].[JobCode],
[JobSheet].[JobTitle],
[JobSheet].[SageDatabaseID],
[JobSheetLineHours].[CostRateCode],
SUM([JobSheetLineHours].[Hours]) AS TotalCostRateHours,
SUM( CASE DATEPART(WEEKDAY, [JobSheet].[JobSheetDate]) -- Get Total Value for Monday
WHEN 1
THEN [JobSheetLineHours].[Hours]
END )
AS MON,
SUM( CASE DATEPART(WEEKDAY, [JobSheet].[JobSheetDate]) -- Get Total Value for Tuesday
WHEN 2
THEN [JobSheetLineHours].[Hours]
END )
AS TUE,
SUM( CASE DATEPART(WEEKDAY, [JobSheet].[JobSheetDate]) -- Get Total Value for Wednesday
WHEN 3
THEN [JobSheetLineHours].[Hours]
END )
AS WED,
SUM( CASE DATEPART(WEEKDAY, [JobSheet].[JobSheetDate]) -- Get Total Value for Thursday
WHEN 4
THEN [JobSheetLineHours].[Hours]
END )
AS THU,
SUM( CASE DATEPART(WEEKDAY, [JobSheet].[JobSheetDate]) -- Get Total Value for Friday
WHEN 5
THEN [JobSheetLineHours].[Hours]
END )
AS FRI,
SUM( CASE DATEPART(WEEKDAY, [JobSheet].[JobSheetDate]) -- Get Total Value for Saturday
WHEN 6
THEN [JobSheetLineHours].[Hours]
END )
AS SAT,
SUM( CASE DATEPART(WEEKDAY, [JobSheet].[JobSheetDate]) -- Get Total Value for Sunday
WHEN 7
THEN [JobSheetLineHours].[Hours]
END )
AS SUN
FROM [JobSheet]
INNER JOIN [JobSheetLine]
ON [JobSheetLine].[JobSheetID]
= [JobSheet].[JobSheetID]
INNER JOIN [JobSheetLineHours]
ON [JobSheetLineHours].[JobSheetLineID]
= [JobSheetLine].[JobSheetLineID]
WHERE
[JobSheet].[Deleted]=@Deleted
AND [JobSheet].[JobSheetDate] >= @WeekStartDate
AND [JobSheet].[JobSheetDate] <= @WeekEndDate
AND [JobSheetLine].[Deleted]=@Deleted
AND [JobSheetLineHours].[Deleted]=@Deleted
GROUP BY
[JobSheet].[ContractID],
[JobSheet].[ContractCode],
[JobSheet].[ContractTitle],
[JobSheet].[ProjectID],
[JobSheet].[ProjectCode],
[JobSheet].[ProjectTitle],
[JobSheet].[JobID],
[JobSheet].[JobCode],
[JobSheet].[JobTitle],
[JobSheet].[SageDatabaseID],
[JobSheetLineHours].[CostRateCode]
最佳答案
如果我理解正确,您需要将其添加到您的SELECT
编辑由于您想要求和,因此您需要在案例周围添加求和
SUM(CASE WHEN DATEPART(WEEKDAY, JobSheet.JobSheetDate) = 1 THEN
JobSheetLineHours.Hours
END) AS MON,
SUM(CASE WHEN DATEPART(WEEKDAY, JobSheet.JobSheetDate) = 2 THEN
JobSheetLineHours.Hours
END) AS TUE,
SUM(CASE WHEN DATEPART(WEEKDAY, JobSheet.JobSheetDate) = 3 THEN
JobSheetLineHours.Hours
END) AS WED,
SUM(CASE WHEN DATEPART(WEEKDAY, JobSheet.JobSheetDate) = 4 THEN
JobSheetLineHours.Hours
END) AS THU,
SUM(CASE WHEN DATEPART(WEEKDAY, JobSheet.JobSheetDate) = 5 THEN
JobSheetLineHours.Hours
END) AS FRI,
您还需要从 SELECT
和 GROUP BY
中删除任何 [JobSheet].[JobSheetDate] 才能获取所有日期在一行上
正如评论中所指出的,这取决于 SET DATEFIRST 的方式已设置
还应该注意的是,每当您有 SUM(CASE
) 时,肯定有一个 PIVOT
替代方案
关于sql - 帮助进行 SQL 查询,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/6216361/
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