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通用sqlserver分页存储过程
阅读量:5890 次
发布时间:2019-06-19

本文共 15174 字,大约阅读时间需要 50 分钟。

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        ENDEXEC(@Sql)GO

转载于:https://www.cnblogs.com/fyq891014/p/3294748.html

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