• 通用sqlserver分页存储过程


    单主键:

    CREATE PROC P_viewPage
    
        /**//*
            nzperfect [no_mIss] 高效通用分页存储过程(双向检索) 2007.5.7  QQ:34813284
            敬告:适用于单一主键或存在唯一值列的表或视图
            ps:Sql语句为8000字节,调用时请注意传入参数及sql总长度不要超过指定范围
               
        */
    
        @TableName VARCHAR(200),     --表名
        @FieldList VARCHAR(2000),    --显示列名,如果是全部字段则为*
        @PrimaryKey VARCHAR(100),    --单一主键或唯一值键
        @Where VARCHAR(2000),        --查询条件 不含'where'字符,如id>10 and len(userid)>9
        @Order VARCHAR(1000),        --排序 不含'order by'字符,如id asc,userid desc,必须指定asc或desc                                 
                                     --注意当@SortType=3时生效,记住一定要在最后加上主键,否则会让你比较郁闷
        @SortType INT,               --排序规则 1:正序asc 2:倒序desc 3:多列排序方法
        @RecorderCount INT,          --记录总数 0:会返回总记录
        @PageSize INT,               --每页输出的记录数
        @PageIndex INT,              --当前页数
        @TotalCount INT OUTPUT,      --记返回总记录
        @TotalPageCount INT OUTPUT   --返回总页数
    AS
        SET NOCOUNT ON
    
        IF ISNULL(@TotalCount,'') = '' SET @TotalCount = 0
        SET @Order = RTRIM(LTRIM(@Order))
        SET @PrimaryKey = RTRIM(LTRIM(@PrimaryKey))
        SET @FieldList = REPLACE(RTRIM(LTRIM(@FieldList)),' ','')
    
        WHILE CHARINDEX(', ',@Order) > 0 OR CHARINDEX(' ,',@Order) > 0
        BEGIN
            SET @Order = REPLACE(@Order,', ',',')
            SET @Order = REPLACE(@Order,' ,',',')    
        END
    
        IF ISNULL(@TableName,'') = '' OR ISNULL(@FieldList,'') = '' 
            OR ISNULL(@PrimaryKey,'') = ''
            OR @SortType < 1 OR @SortType >3
            OR @RecorderCount  < 0 OR @PageSize < 0 OR @PageIndex < 0        
        BEGIN 
            PRINT('ERR_00')       
            RETURN
        END    
    
        IF @SortType = 3
        BEGIN
            IF (UPPER(RIGHT(@Order,4))!=' ASC' AND UPPER(RIGHT(@Order,5))!=' DESC')
            BEGIN PRINT('ERR_02') RETURN END
        END
    
        DECLARE @new_where1 VARCHAR(1000)
        DECLARE @new_where2 VARCHAR(1000)
        DECLARE @new_order1 VARCHAR(1000)   
        DECLARE @new_order2 VARCHAR(1000)
        DECLARE @new_order3 VARCHAR(1000)
        DECLARE @Sql VARCHAR(8000)
        DECLARE @SqlCount NVARCHAR(4000)
    
        IF ISNULL(@where,'') = ''
            BEGIN
                SET @new_where1 = ' '
                SET @new_where2 = ' WHERE  '
            END
        ELSE
            BEGIN
                SET @new_where1 = ' WHERE ' + @where 
                SET @new_where2 = ' WHERE ' + @where + ' AND '
            END
    
        IF ISNULL(@order,'') = '' OR @SortType = 1  OR @SortType = 2 
            BEGIN
                IF @SortType = 1 
                BEGIN 
                    SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' ASC'
                    SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' DESC'
                END
                IF @SortType = 2 
                BEGIN 
                    SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' DESC'
                    SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' ASC'
                END
            END
        ELSE
            BEGIN
                SET @new_order1 = ' ORDER BY ' + @Order
            END
    
        IF @SortType = 3 AND  CHARINDEX(','+@PrimaryKey+' ',','+@Order)>0
            BEGIN
                SET @new_order1 = ' ORDER BY ' + @Order
                SET @new_order2 = @Order + ','            
                SET @new_order2 = REPLACE(REPLACE(@new_order2,'ASC,','{ASC},'),'DESC,','{DESC},')            
                SET @new_order2 = REPLACE(REPLACE(@new_order2,'{ASC},','DESC,'),'{DESC},','ASC,')
                SET @new_order2 = ' ORDER BY ' + SUBSTRING(@new_order2,1,LEN(@new_order2)-1)            
                IF @FieldList <> '*'
                    BEGIN            
                        SET @new_order3 = REPLACE(REPLACE(@Order + ',','ASC,',','),'DESC,',',')                              
                        SET @FieldList = ',' + @FieldList                    
                        WHILE CHARINDEX(',',@new_order3)>0
                        BEGIN
                            IF CHARINDEX(SUBSTRING(','+@new_order3,1,CHARINDEX(',',@new_order3)),','+@FieldList+',')>0
                            BEGIN 
                            SET @FieldList = 
                                @FieldList + ',' + SUBSTRING(@new_order3,1,CHARINDEX(',',@new_order3))                        
                            END
                            SET @new_order3 = 
                            SUBSTRING(@new_order3,CHARINDEX(',',@new_order3)+1,LEN(@new_order3))
                        END
                        SET @FieldList = SUBSTRING(@FieldList,2,LEN(@FieldList))                     
                    END            
            END
    
        SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'
                        + CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName + @new_where1
        
        IF @RecorderCount  = 0
            BEGIN
                 EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT',
                                   @TotalCount OUTPUT,@TotalPageCount OUTPUT
            END
        ELSE
            BEGIN
                 SELECT @TotalCount = @RecorderCount            
            END
    
        IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)
            BEGIN
                SET @PageIndex =  CEILING((@TotalCount+0.0)/@PageSize)
            END
    
        IF @PageIndex = 1 OR @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize)
            BEGIN
                IF @PageIndex = 1 --返回第一页数据
                    BEGIN
                        SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' 
                                   + @TableName + @new_where1 + @new_order1
                    END
                IF @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize)  --返回最后一页数据
                    BEGIN
                        SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM (' 
                                   + 'SELECT TOP ' + STR(ABS(@PageSize*@PageIndex-@TotalCount-@PageSize)) 
                                   + ' ' + @FieldList + ' FROM '
                                   + @TableName + @new_where1 + @new_order2 + ' ) AS TMP '
                                   + @new_order1                    
                    END        
            END    
        ELSE
            BEGIN
                IF @SortType = 1  --仅主键正序排序
                    BEGIN
                        IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2  --正向检索
                            BEGIN
                                SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' 
                                           + @TableName + @new_where2 + @PrimaryKey + ' > '
                                           + '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '
                                           + STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey 
                                           + ' FROM ' + @TableName
                                           + @new_where1 + @new_order1 +' ) AS TMP) '+ @new_order1
                            END
                        ELSE  --反向检索
                            BEGIN
                                SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM (' 
                                           + 'SELECT TOP ' + STR(@PageSize) + ' ' 
                                           + @FieldList + ' FROM '
                                           + @TableName + @new_where2 + @PrimaryKey + ' < '
                                           + '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '
                                           + STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey 
                                           + ' FROM ' + @TableName
                                           + @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2 
                                           + ' ) AS TMP ' + @new_order1
                            END
                    END
                IF @SortType = 2  --仅主键反序排序
                    BEGIN
                        IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2  --正向检索
                            BEGIN
                                SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' 
                                           + @TableName + @new_where2 + @PrimaryKey + ' < '
                                           + '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '
                                           + STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey 
                                           +' FROM '+ @TableName
                                           + @new_where1 + @new_order1 + ') AS TMP) '+ @new_order1                               
                            END 
                        ELSE  --反向检索
                            BEGIN
                                SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM (' 
                                           + 'SELECT TOP ' + STR(@PageSize) + ' ' 
                                           + @FieldList + ' FROM '
                                           + @TableName + @new_where2 + @PrimaryKey + ' > '
                                           + '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '
                                           + STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey 
                                           + ' FROM ' + @TableName
                                           + @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2 
                                           + ' ) AS TMP ' + @new_order1
                            END  
                    END                         
                IF @SortType = 3  --多列排序,必须包含主键,且放置最后,否则不处理
                    BEGIN
                        IF CHARINDEX(',' + @PrimaryKey + ' ',',' + @Order) = 0 
                        BEGIN PRINT('ERR_02') RETURN END
                        IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2  --正向检索
                            BEGIN
                                SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
                                           + 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
                                           + ' SELECT TOP ' + STR(@PageSize*@PageIndex) + ' ' + @FieldList
                                           + ' FROM ' + @TableName + @new_where1 + @new_order1 + ' ) AS TMP '
                                           + @new_order2 + ' ) AS TMP ' + @new_order1    
                            END
                        ELSE  --反向检索
                            BEGIN
                                SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '  
                                           + 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
                                           + ' SELECT TOP ' + STR(@TotalCount-@PageSize*@PageIndex+@PageSize) + ' ' + @FieldList
                                           + ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP '
                                           + @new_order1 + ' ) AS TMP ' + @new_order1
                            END
                    END
            END
        PRINT(@Sql)
        EXEC(@Sql)
    GO


    联合主键的:

    CREATE PROC P_public_ViewPage
        /**
            no_mIss 通用分页存储过程 
            适用于联合主键/单主键/存在能确定唯一行列/存在能确定唯一行的多列 (用英文,隔开)
            调用:
                第一页查询时返回总记录和总页数及第一页记录:
                EXECUTE P_public_ViewPage_per 'TableName','col1,col2,col3,col4','pk1,pk2,pk3',
                    'col5>0 and col7<9','pk1 asc,pk2 asc,pk3 asc',0,10,1,
                    @TotalCount OUTPUT,@TotalPageCount OUTPUT
                其它页调用,比如第89页(假设第一页查询时返回总记录为2000000):
                EXECUTE P_public_ViewPage_per 'TableName','col1,col2,col3,col4','pk1,pk2,pk3',
                    'col5>0 and col7<9','pk1 asc,pk2 asc,pk3 asc',2000000,10,89,
                    @TotalCount OUTPUT,@TotalPageCount OUTPUT
        */
    
        @TableName VARCHAR(200),     --表名
        @FieldList VARCHAR(2000),    --显示列名
        @PrimaryKey VARCHAR(100),    --单一主键或唯一值键或联合主键列表(用英文,隔开)或能确定唯一行的多列列表(用英文,隔开)
        @Where VARCHAR(1000),        --查询条件 不含'where'字符
        @Order VARCHAR(1000),        --排序 不含'order by'字符,用英文,隔开  
        @RecorderCount INT,          --记录总数 0:会返回总记录
        @PageSize INT,               --每页输出的记录数
        @PageIndex INT,              --当前页数
        @TotalCount INT OUTPUT,      --返回记录总数
        @TotalPageCount INT OUTPUT   --返回总页数
    AS
    
        SET NOCOUNT ON
        
        SET @FieldList = REPLACE(@FieldList,' ','')
        IF @FieldList = '*' 
            BEGIN SET @FieldList = 'A.*'END
        ELSE
            BEGIN
                SET @FieldList = 'A.' + REPLACE(@FieldList,',',',A.')
            END
        
        WHILE CHARINDEX(', ',@Order)>0
        BEGIN
            SET @Order = REPLACE(@Order,', ',',')
        END
    
        IF ISNULL(@TableName,'') = '' OR ISNULL(@PrimaryKey,'') = ''        
            OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0
        BEGIN        
            RETURN
        END
     
        DECLARE @new_where1 VARCHAR(1000)
        DECLARE @new_where2 VARCHAR(1000)
        DECLARE @new_where3 VARCHAR(1000)
        DECLARE @new_where4 VARCHAR(1000)
        DECLARE @new_order1 VARCHAR(1000)
        DECLARE @new_order2 VARCHAR(1000)
        DECLARE @Fields VARCHAR(1000)
        DECLARE @Sql VARCHAR(8000)
        DECLARE @SqlCount NVARCHAR(4000)
    
        SET @Fields = @PrimaryKey + ','
        SET @new_where2 = ''
        SET @new_where4 = ''
    
    
        IF ISNULL(@where,'') = ''
            BEGIN
                SET @new_where1 = ' '
                SET @new_where3 = ' WHERE '
            END
        ELSE
            BEGIN            
                SET @new_where1 = ' WHERE ' + @where + ' '
                SET @new_where3 = ' WHERE 1=1 ' 
                        + REPLACE(' AND ' + @where,' AND ',' AND A.')+ ' AND '
            END
        
        WHILE CHARINDEX(',',@Fields)>0
        BEGIN
            SET @new_where2 = @new_where2 
                + 'A.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1))
                + ' = B.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1)) + ' AND '
            SET @new_where4 = @new_where4 
                + 'B.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1)) + ' IS NULL AND '
            SET @Fields = SUBSTRING(@Fields,CHARINDEX(',',@Fields)+1,LEN(@Fields))
        END
        SET @new_where2 = LEFT(@new_where2,LEN(@new_where2)-4)
        SET @new_where4 = LEFT(@new_where4,LEN(@new_where4)-4)
    
        IF ISNULL(@order,'') = '' 
            BEGIN
                SET @new_order1 = ''
                SET @new_order2 = ''
            END
        ELSE
            BEGIN
                SET @new_order1 = ' ORDER BY ' + @Order
                SET @new_order2 = ' ORDER BY ' 
                        + RIGHT(REPLACE(',' + @Order,',',', A.' ),
                                LEN(REPLACE(',' + @Order,',',', A.' ))-1)
            END
    
        SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'
                        + CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName 
                        + ' A ' +  @new_where1
        
        IF @RecorderCount = 0
            BEGIN
                 EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT',
                                   @TotalCount OUTPUT,@TotalPageCount OUTPUT
            END
        ELSE
            BEGIN
                 SELECT @TotalCount = @RecorderCount            
            END
    
        IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)
            BEGIN
                SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize)
            END
        IF @PageIndex = 1
            BEGIN
                SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' 
                           + @TableName + ' A'+ @new_where1 + @new_order1
            END
        ELSE
            BEGIN
                SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' 
                           + @TableName + ' A LEFT JOIN (SELECT TOP ' 
                           + STR(@PageSize*(@PageIndex-1)) 
                           + ' ' + @PrimaryKey + ' FROM ' + @TableName + @new_where1
                           + @new_order1 + ' )B ON ' + @new_where2 + @new_where3 
                           + @new_where4 + @new_order2
            END
    
    EXEC(@Sql)
    GO


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  • 原文地址:https://www.cnblogs.com/fyq891014/p/3294748.html
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