标签：des blog http ar sp on 数据 div art
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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 2007.3.1 QQ:34813284 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标签：des blog http ar sp on 数据 div art
原文地址：http://www.cnblogs.com/Xujg/p/4142556.html
