Sql 为什么此案例条件返回1表示不匹配?

Sql 为什么此案例条件返回1表示不匹配?,sql,sql-server,sql-server-2008,Sql,Sql Server,Sql Server 2008,对于下面的查询,我得到的结果如下。但对于这些情况,类似的条件并不适用。 简单地说,为什么numMatches列中有5个匹配的'Missing'关键字。 我将missing作为搜索词传递给参数@SearchItems ALTER PROCEDURE ntwolose.SPSearchFilter (@SearchItems varchar, @StartPos int, @EndPos int) AS SELECT * FROM (SELECT numMatches,

对于下面的查询,我得到的结果如下。但对于这些情况,类似的条件并不适用。 简单地说,为什么numMatches列中有5个匹配的'Missing'关键字。 我将missing作为搜索词传递给参数
@SearchItems

ALTER PROCEDURE ntwolose.SPSearchFilter (@SearchItems varchar,
@StartPos int,
@EndPos int)

AS

  SELECT
    *
  FROM (SELECT
    numMatches,
    ProductCode,
    ProductName,
    ProductType,
    Brand,
    Color,
    [Size],
    Model,
    GetPlace,
    LostPlace,
    DatePosted,
    TimePosted,
    Username,
    Updatedate,
    Status,
    Title,
    ROW_NUMBER() OVER (ORDER BY numMatches DESC) AS RatingRank
  FROM (SELECT
    ProductCode,
    ProductName,
    ProductType,
    Brand,
    Color,
    [Size],
    Model,
    GetPlace,
    LostPlace,
    DatePosted,
    TimePosted,
    Username,
    Updatedate,
    Status,
    Title,
    (CASE
        WHEN ProductCode LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN ProductName LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN Brand LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN Color LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN [Size] LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN Model LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN GetPlace LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN LostPlace LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN DatePosted LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN Username LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN Title LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END +
      CASE
        WHEN ProductType LIKE '%' + @SearchItems + '%' THEN 1
        ELSE 0
      END

    )
    AS numMatches
  FROM TBLProductDetails)
  AS RatedResultTable)
  AS PagedResultSet
  WHERE RatingRank BETWEEN @StartPos AND @EndPos


对您的问题的简短回答是,您实际上没有传递
@SearchTerms
'missing'
。您可能正在传递值
'm'
。原因是
@SearchTerms
的定义是
varchar
,而不是
varchar(50)
,系统可能假设
varchar(1)


您的问题的简短回答是,您实际上没有传递
@SearchTerms
'missing'
。您可能正在传递值
'm'
。原因是
@SearchTerms
的定义是
varchar
,而不是
varchar(50)
,系统可能假设
varchar(1)


也许您可以制作一个SQLFIDLE来演示示例数据中的问题,因为只有两个值包含单词
缺失
。你是说
@SearchTerms
的值被传递为Null吗?是的,我确定。我将“missing”作为关键字传递OK。从样本数据中我们可以看出,除了两行之外,所有行都应该为零。是的,我们实际上需要这个结果。但是无法理解为什么您可以制作一个SQLFIDLE来演示示例数据中的问题,只有两个值包含单词
Missing
。你是说
@SearchTerms
的值被传递为Null吗?是的,我确定。我将“missing”作为关键字传递OK。从样本数据中我们可以看出,除了两行之外,所有行都应该为零。是的,我们实际上需要这个结果。但我不知道为什么
numMatches                                                                                                                                                                                                                                                       ProductCode                                        ProductName                                        ProductType                                        Brand                                              Color                                              Size                                               Model                                              GetPlace                                           LostPlace                                          DatePosted                     TimePosted                                         Username                                           Updatedate                     Status                                                                                                                                                                                                                                                           Title                                                                                                                                                                                                                                                            RatingRank                                                                                                                                                                                                                                                       
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ------------------------------ -------------------------------------------------- -------------------------------------------------- ------------------------------ ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 
5                                                                                                                                                                                                                                                                cv,cf,cf                                           cgm cvh                                            cvhhcv                                             cvmgcvh                                            cvmgcmhc                                           cmv hcvh                                           2wes                                               dddd                                               cmhcvmh                                            2012-12-12 00:00:00.0000000    12.11                                              a2a                                                2013-05-20 17:27:49.6370000    1                                                                                                                                                                                                                                                                sree                                                                                                                                                                                                                                                             1                                                                                                                                                                                                                                                                
4                                                                                                                                                                                                                                                                P90                                                C510                                               Mobile                                             SOny                                               Black                                              12X12                                              M90                                                Ernakulam                                                                                             2013-12-02 00:00:00.0000000    12.opm                                             a@a                                                2013-05-22 19:12:05.0330000    1                                                                                                                                                                                                                                                                Sony Ercison Missing                                                                                                                                                                                                                                             2                                                                                                                                                                                                                                                                
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3                                                                                                                                                                                                                                                                P15                                                Documents                                          Mobile                                             Noikiya                                            red                                                123                                                678                                                Cochin                                             Calicut                                            2013-12-02 00:00:00.0000000    2:9:0                                              sree@gmail.comm                                    2013-05-17 10:17:13.0000000    1                                                                                                                                                                                                                                                                bigshen                                                                                                                                                                                                                                                          5                                                                                                                                                                                                                                                                
2                                                                                                                                                                                                                                                                P123                                               Lg                                                 Torch                                              LG                                                 white                                              12                                                 MD90                                               Ernakulam                                                                                             2013-12-02 00:00:00.0000000    12.00pm                                            a@a                                                2013-05-20 09:51:50.9930000    1                                                                                                                                                                                                                                                                c                                                                                                                                                                                                                                                                6                                                                                                                                                                                                                                                                
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