如何创建存储过程,可以将@CandidatelistID
作为参数传递给下面的现有存储过程逻辑。
我正在循环CandidateID
和CandidateListID
,并在循环内运行存储过程usp_ApplyRankingRules
以获取它们各自的Weightage
。
然后,而不是插入并更新表中的值-RPT_CandidateCardReport
我想在临时表中加载相同的字段。当我这样做时,出现以下错误-
(0 row(s) affected)
(0 row(s) affected)
Msg 208, Level 16, State 0, Procedure usp_RPT_CandidateCardReporttest, Line 24 [Batch Start Line 53]
Invalid object name '#tempRPTCandidateCardReport'.
数据存在于我要循环的表中,并且应该在底部显示临时模板选择语句的结果。
CREATE PROCEDURE [dbo].[usp_RPT_CandidateCardReporttest] @candidateListIDs varchar(36)
AS
BEGIN
declare @candidateListID varchar(36)
declare @candidateID varchar(36)
declare @var_weightage decimal
declare @listcount INT = (SELECT COUNT(1) FROM CandidateList_Candidates)
declare @loopcount INT = 1
IF OBJECT_ID('tempdb..#tmpListCandidate') IS NOT NULL DROP TABLE #tmpListCandidate
SELECT CandidateListID, CandidateID, ROW_NUMBER()OVER(ORDER BY cl.CandidateID) AS Id INTO #tmpListCandidate
FROM CandidateList_Candidates cl
where CandidateListID = @candidateListIDs
WHILE(@loopcount <= @listcount)
BEGIN
SET @candidateListID = (SELECT CandidateListID FROM #tmpListCandidate WHERE Id = @loopcount)
SET @candidateID = (SELECT CandidateID FROM #tmpListCandidate WHERE Id = @loopcount)
EXEC usp_ApplyRankingRules @candidateListID, @candidateID, @var_weightage OUTPUT
IF EXISTS (SELECT 1 FROM #tempRPTCandidateCardReport WHERE listID = @candidateListID AND candidateID = @candidateID)
BEGIN
UPDATE #tempRPTCandidateCardReport SET weightage = @var_weightage WHERE listID = @candidateListID AND candidateID = @candidateID
END
ELSE
BEGIN
INSERT INTO #tempRPTCandidateCardReport (listID, candidateID, weightage)
VALUES (@candidateListID, @candidateID, @var_weightage)
END
SET @loopcount = @loopcount + 1
END
select listid,candidateid,weightage from #tempRPTCandidateCardReport
IF OBJECT_ID('tempdb..#tmpListCandidate') IS NOT NULL
BEGIN
DROP TABLE #tmpListCandidate
DROP TABLE #tempRPTCandidateCardReport
END
END转到
我不打算对存储过程的多个方面发表评论,但我想您想要这样做:
CREATE PROCEDURE [dbo].[usp_RPT_CandidateCardReporttest] (
@candidateListID varchar(36)
)
AS
BEGIN
. . .
SELECT CandidateListID, CandidateID,
ROW_NUMBER() OVER (ORDER BY cl.CandidateID) AS Id
INTO #tmpListCandidate
FROM CandidateList_Candidates cl
WHERE CandidateListID = @CandidateListID OR @CandidateListID IS NULL;
SELECT @ListCounct = COUNT(*)
FROM #tmpListCandidate ;
. . .
END;
注意:
SELECT COUNT(*)
是明确的,但是@@ROWCOUNT
也可以。如果要遍历一个临时表(或表变量),则应使用如下代码:
SET @candidateListID = (SELECT CandidateListID FROM #tmpListCandidate WHERE Id = @loopcount)
SET @candidateID = (SELECT CandidateID FROM #tmpListCandidate WHERE Id = @loopcount)
可以替换为:
SELECT @candidateListID = CandidateListID,
@candidateID = CandidateID
FROM #tmpListCandidate
WHERE Id = @loopcount;