[英]Sum a Single column into multiple columns based on criteria SQL Server
Right now I am collecting a sum of times based on grouping by a part, job, machine, and type. 现在,我正在根据部件,工作,机器和类型进行分组来收集一些时间。
I would like to have the summed times to be split across multiple columns rather than multiple rows based on the type. 我希望将总计时间分成多个列而不是基于类型的多行。 How can I do this? 我怎样才能做到这一点?
Here is my code 这是我的代码
SELECT
m.[machineName]
,pr.[jobNumber]
,p.[partNumber]
,sc.[type]
,SUM(pl.[elapsedTime]) AS elapsedTime
FROM wincc.dbo.productionLog pl
INNER JOIN wincc.dbo.machines m ON pl.[machineId] = m.id
INNER JOIN wincc.dbo.productionRuns pr ON pl.[productionRunId] = pr.id
INNER JOIN wincc.dbo.parts p ON pr.[partId] = p.Id
INNER JOIN wincc.dbo.statusCodes sc ON pl.[statusCodeId] = sc.id
GROUP BY
m.[machineName]
,pr.[jobNumber]
,p.[partNumber]
,sc.[type]
Which produces: 哪个产生:
But I want: 但我想要:
Thank you All! 谢谢你们!
This is a form of table pivoting
. 这是表格pivoting
一种形式。 Here's one way to do that with conditional aggregation
: 以下是使用conditional aggregation
执行此操作的一种方法:
SELECT
m.[machineName]
,pr.[jobNumber]
,p.[partNumber]
,SUM(CASE WHEN sc.Type = 'planned downtime' then pl.[elapsedTime] END) AS plannedDT
,SUM(CASE WHEN sc.Type = 'unplanned downtime' then pl.[elapsedTime] END) AS unplannedDT
,SUM(CASE WHEN sc.Type = 'production' then pl.[elapsedTime] END) AS production
,SUM(CASE WHEN sc.Type = 'rework' then pl.[elapsedTime] END) AS rework
FROM wincc.dbo.productionLog pl
INNER JOIN wincc.dbo.machines m ON pl.[machineId] = m.id
INNER JOIN wincc.dbo.productionRuns pr ON pl.[productionRunId] = pr.id
INNER JOIN wincc.dbo.parts p ON pr.[partId] = p.Id
INNER JOIN wincc.dbo.statusCodes sc ON pl.[statusCodeId] = sc.id
GROUP BY
m.[machineName]
,pr.[jobNumber]
,p.[partNumber]
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