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我是 sql 方面的新手,我正在尝试创建一个相当复杂的存储过程,该过程将由使用 Visual Studio 商业智能中的 sql 报告服务创建的报告使用。
我有一个主要的“项目”表,它通过使用链接表(我的存储过程中感兴趣的是“状态”、“设施”和“分支机构”)链接各种其他表。该应用程序所做的是研究人员提交一个项目,并经过以下审批流程:
Specialised Health Manager > Branch Head > Health Management Team
为促进此审批流程,另一位团队成员开发了一个使用“WorkflowHistory”表的自定义工作流解决方案。放入此表(除其他外)的是 ProjectId、WorkflowStep 和执行工作流步骤的日期以及执行该步骤的人员发表的评论。我想要在我的报告中的内容如下:
我想要在我的报告中的信息如下:
“ProjectId”和“Title”来自“Project”表。 “设施”、“分支机构”和“状态”来自链接到“项目”的表格。 “收到”需要是为项目执行初始工作流程步骤的日期。 “结束”必须是为项目执行最终工作流程步骤的日期。 “评论”需要是为最后的工作流程步骤留下的评论。
因此,报告中每一行的数据将来自以下位置:
用户传递以下参数来过滤报表:
我已尝试使用以下存储过程完成所有这些工作。这是我的运行尝试,我一直在努力。我仍然遇到的问题包括:
编辑:现在是什么,5 小时后,我更新了下面的存储过程。我已经通过使用临时表变量解决了大部分问题
CREATE PROCEDURE [dbo].[stp_CityHealthResearchRequestsReport]
@FromDate DATETIME,
@ToDate DATETIME,
@StatusId int,
@BranchId int,
@Count INT OUTPUT
AS
BEGIN
DECLARE @TempTable TABLE
(
ProjectId INT,
Recieved DATETIME,
Concluded DATETIME,
Comment VARCHAR(8000)
)
IF @StatusId <> 0 AND @BranchId <> 0
BEGIN
INSERT INTO @TempTable (ProjectId, Recieved, Concluded, Comment)
SELECT DISTINCT
p.ProjectId,
(SELECT TOP 1 wf.ActionedOn
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 1
ORDER BY wf.WorkflowHistoryId DESC) AS Recieved,
(SELECT TOP 1 wf.ActionedOn
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 4
OR wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 5
ORDER BY wf.WorkflowHistoryId DESC) AS Concluded,
(SELECT TOP 1 wf.Comment
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 4
OR wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 5
ORDER BY wf.WorkflowHistoryId DESC) AS Comment
FROM
Project p
JOIN WorkflowHistory w ON p.ProjectId = w.ProjectId
JOIN ProjectBranch pb ON pb.ProjectId = p.ProjectId
WHERE
p.ProjectId = w.ProjectId
AND p.StatusId = @StatusId
AND pb.BranchId = @BranchId
AND w.WorkflowStep = 1
AND (w.ActionedOn BETWEEN @FromDate AND @ToDate)
SELECT DISTINCT
p.ProjectId,
p.Title,
STUFF (
(SELECT ', ' + f.Name
FROM dbo.Facility f
LEFT JOIN dbo.ProjectFacility pf ON f.FacilityId = pf.FacilityId
WHERE pf.ProjectId = p.ProjectId
FOR XML PATH (''))
, 1, 1, '') AS Facilities,
tt.Recieved,
tt.Concluded,
b.BranchName,
st.Description AS StatusText,
tt.Comment,
tt.Concluded - tt.Recieved AS Turnaround
FROM
dbo.Project p
INNER JOIN @TempTable tt ON p.ProjectId = tt.ProjectId
LEFT JOIN dbo.ProjectBranch pb ON p.ProjectId = pb.ProjectId
LEFT JOIN dbo.Branch b ON pb.BranchId = b.BranchId
LEFT JOIN dbo.Status st ON p.StatusId = st.StatusId
WHERE
p.StatusId = @StatusId
AND b.BranchId = @BranchId
SET @Count = @@ROWCOUNT
END
IF @StatusId <> 0 AND @BranchId = 0
BEGIN
INSERT INTO @TempTable (ProjectId, Recieved, Concluded, Comment)
SELECT DISTINCT
p.ProjectId,
(SELECT TOP 1 wf.ActionedOn
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 1
ORDER BY wf.WorkflowHistoryId DESC) AS Recieved,
(SELECT TOP 1 wf.ActionedOn
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 4
OR wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 5
ORDER BY wf.WorkflowHistoryId DESC) AS Concluded,
(SELECT TOP 1 wf.Comment
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 4
OR wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 5
ORDER BY wf.WorkflowHistoryId DESC) AS Comment
FROM
Project p
JOIN WorkflowHistory w ON p.ProjectId = w.ProjectId
JOIN ProjectBranch pb ON pb.ProjectId = p.ProjectId
WHERE
p.ProjectId = w.ProjectId
AND p.StatusId = @StatusId
AND w.WorkflowStep = 1
AND (w.ActionedOn BETWEEN @FromDate AND @ToDate)
SELECT DISTINCT
p.ProjectId,
p.Title,
STUFF (
(SELECT ', ' + f.Name
FROM dbo.Facility f
LEFT JOIN dbo.ProjectFacility pf ON f.FacilityId = pf.FacilityId
WHERE pf.ProjectId = p.ProjectId
FOR XML PATH (''))
, 1, 1, '') AS Facilities,
tt.Recieved,
tt.Concluded,
b.BranchName,
st.Description AS StatusText,
tt.Comment,
tt.Concluded - tt.Recieved AS Turnaround
FROM
dbo.Project p
INNER JOIN @TempTable tt ON p.ProjectId = tt.ProjectId
LEFT JOIN dbo.ProjectBranch pb ON p.ProjectId = pb.ProjectId
LEFT JOIN dbo.Branch b ON pb.BranchId = b.BranchId
LEFT JOIN dbo.Status st ON p.StatusId = st.StatusId
WHERE
p.StatusId = @StatusId
SET @Count = @@ROWCOUNT
END
IF @StatusId = 0 AND @BranchId <> 0
BEGIN
INSERT INTO @TempTable (ProjectId, Recieved, Concluded, Comment)
SELECT DISTINCT
p.ProjectId,
(SELECT TOP 1 wf.ActionedOn
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 1
ORDER BY wf.WorkflowHistoryId DESC) AS Recieved,
(SELECT TOP 1 wf.ActionedOn
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 4
OR wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 5
ORDER BY wf.WorkflowHistoryId DESC) AS Concluded,
(SELECT TOP 1 wf.Comment
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 4
OR wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 5
ORDER BY wf.WorkflowHistoryId DESC) AS Comment
FROM
Project p
JOIN WorkflowHistory w ON p.ProjectId = w.ProjectId
JOIN ProjectBranch pb ON pb.ProjectId = p.ProjectId
WHERE
p.ProjectId = w.ProjectId
AND p.StatusId = 5
AND pb.BranchId = @BranchId
AND w.WorkflowStep = 1
AND (w.ActionedOn BETWEEN @FromDate AND @ToDate)
OR p.ProjectId = w.ProjectId
AND p.StatusId = 6
AND pb.BranchId = @BranchId
AND w.WorkflowStep = 1
AND (w.ActionedOn BETWEEN @FromDate AND @ToDate)
OR p.ProjectId = w.ProjectId
AND p.StatusId = 7
AND pb.BranchId = @BranchId
AND w.WorkflowStep = 1
AND (w.ActionedOn BETWEEN @FromDate AND @ToDate)
SELECT DISTINCT
p.ProjectId,
p.Title,
STUFF (
(SELECT ', ' + f.Name
FROM dbo.Facility f
LEFT JOIN dbo.ProjectFacility pf ON f.FacilityId = pf.FacilityId
WHERE pf.ProjectId = p.ProjectId
FOR XML PATH (''))
, 1, 1, '') AS Facilities,
tt.Recieved,
tt.Concluded,
b.BranchName,
st.Description AS StatusText,
tt.Comment,
tt.Concluded - tt.Recieved AS Turnaround
FROM
dbo.Project p
INNER JOIN @TempTable tt ON p.ProjectId = tt.ProjectId
LEFT JOIN dbo.ProjectBranch pb ON p.ProjectId = pb.ProjectId
LEFT JOIN dbo.Branch b ON pb.BranchId = b.BranchId
LEFT JOIN dbo.Status st ON p.StatusId = st.StatusId
WHERE
p.StatusId = 5
AND pb.BranchId = @BranchId
OR p.StatusId = 6
AND pb.BranchId = @BranchId
OR p.StatusId = 7
AND pb.BranchId = @BranchId
SET @Count = @@ROWCOUNT
END
IF @StatusId = 0 AND @BranchId = 0
BEGIN
INSERT INTO @TempTable (ProjectId, Recieved, Concluded, Comment)
SELECT DISTINCT
p.ProjectId,
(SELECT TOP 1 wf.ActionedOn
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 1
ORDER BY wf.WorkflowHistoryId DESC) AS Recieved,
(SELECT TOP 1 wf.ActionedOn
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 4
OR wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 5
ORDER BY wf.WorkflowHistoryId DESC) AS Concluded,
(SELECT TOP 1 wf.Comment
FROM WorkflowHistory wf
WHERE wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 4
OR wf.ProjectId = p.ProjectId
AND wf.WorkflowStep = 5
ORDER BY wf.WorkflowHistoryId DESC) AS Comment
FROM
Project p
JOIN WorkflowHistory w ON p.ProjectId = w.ProjectId
JOIN ProjectBranch pb ON pb.ProjectId = p.ProjectId
WHERE
p.ProjectId = w.ProjectId
AND p.StatusId = 5
AND w.WorkflowStep = 1
AND (w.ActionedOn BETWEEN @FromDate AND @ToDate)
OR p.ProjectId = w.ProjectId
AND p.StatusId = 6
AND w.WorkflowStep = 1
AND (w.ActionedOn BETWEEN @FromDate AND @ToDate)
OR p.ProjectId = w.ProjectId
AND p.StatusId = 7
AND w.WorkflowStep = 1
AND (w.ActionedOn BETWEEN @FromDate AND @ToDate)
SELECT DISTINCT
p.ProjectId,
p.Title,
STUFF (
(SELECT ', ' + f.Name
FROM dbo.Facility f
LEFT JOIN dbo.ProjectFacility pf ON f.FacilityId = pf.FacilityId
WHERE pf.ProjectId = p.ProjectId
FOR XML PATH (''))
, 1, 1, '') AS Facilities,
tt.Recieved,
tt.Concluded,
b.BranchName,
st.Description AS StatusText,
tt.Comment,
tt.Concluded - tt.Recieved AS Turnaround
FROM
dbo.Project p
INNER JOIN @TempTable tt ON p.ProjectId = tt.ProjectId
LEFT JOIN dbo.ProjectBranch pb ON p.ProjectId = pb.ProjectId
LEFT JOIN dbo.Branch b ON pb.BranchId = b.BranchId
LEFT JOIN dbo.Status st ON p.StatusId = st.StatusId
WHERE
p.StatusId = 5
OR p.StatusId = 6
OR p.StatusId = 7
SET @Count = @@ROWCOUNT
END
END
最佳答案
您的代码有一些问题:
WHERE
子句中处理它,而不是通过 @StatusId 和 @BranchId 进行分支。说得够多了,我相信这个查询可以满足您的要求:
-- find out the final step for each project
WITH FinalStep AS
(
SELECT ProjectId, MAX(WorkflowStep) as MaxWorkflowStep
FROM WorkflowHistory
WHERE WorkflowStep > 1
GROUP BY ProjectId
)
SELECT
p.ProjectId,
p.Title,
-- this is ugly consider creating a scalar function to encapsulate it
STUFF (
(SELECT ', ' + f.Name
FROM dbo.Facility f
LEFT JOIN dbo.ProjectFacility pf ON f.FacilityId = pf.FacilityId
WHERE pf.ProjectId = p.ProjectId
FOR XML PATH (''))
, 1, 1, '') AS Facilities,
wf1.ActionedOn AS Recieved,
wf2.ActionedOn AS Concluded,
b.BranchName,
st.Description AS StatusText,
wf2.Comment,
wf2.ActionedOn - w1.ActionedOn AS Turnaround
FROM
Project p
INNER JOIN WorkflowHistory wf1
ON p.ProjectId = wf1.ProjectId
AND wf1.WorkflowStep = 1
LEFT JOIN FinalStep fs
ON fs.ProjectId = p.ProjectId
LEFT JOIN WorkflowHistory wf2
ON p.ProjectId = wf2.ProjectId
AND wf2.WorkflowStep = fs.MaxWorkflowStep
INNER JOIN ProjectBranch pb
ON pb.ProjectId = p.ProjectId
LEFT JOIN dbo.Branch b
ON pb.BranchId = b.BranchId
LEFT JOIN dbo.Status st
ON p.StatusId = st.StatusId
WHERE
p.ProjectId = w.ProjectId
-- IF @StatusId = 0 THEN p.StatusId = 5 or 6 or 7 ELSE p.StatusId = @StatusId
AND ((@StatusId = 0 AND p.StatusId IN (5,6,7)) OR p.StatusId = @StatusId)
-- IF @BranchId = 0 THEN no filter ELSE pb.BranchId = @BranchId
AND (@BranchId = 0 OR pb.BranchId = @BranchId)
AND (wf1.ActionedOn BETWEEN @FromDate AND @ToDate)
我不知道为什么日期过滤器不起作用,我觉得没问题。我也没有检查设施连接,但你应该能够很容易地用谷歌搜索这些东西。我建议你将代码提取到一个函数中。然后您可以单独测试它,查询看起来会好得多。
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