SQL存储过程分页若干方法
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方法一：超简单版的
查询第X页,每页Y条记录 最基本的处理方法(原理): 如果表中有主键(记录不重复的字段也可以),可以用类似下面的方法,当然y,(x-1)*y要换成具体的数字,不能用变量: select top y * from 表 where 主键 not in(select top (x-1)*y 主键 from 表) 如果表中无主键,可以用临时表,加标识字段解决.这里的x,y可以用变量. select id=identity(int,1,1),* into #tb from 表select * from #tb where id between (x-1)*y and x*y-1
方法二：
--要分页的原始数据CREATE TABLE tb(ID int PRIMARY KEY, --记录编号grade varchar(10), --类别名称uptime datetime) --更新时间INSERT tb SELECT 1 ,'a','2004-12-11'UNION ALL SELECT 2 ,'b','2004-12-11'UNION ALL SELECT 3 ,'c','2004-12-11'UNION ALL SELECT 4 ,'a','2004-12-12'UNION ALL SELECT 5 ,'c','2004-12-13'UNION ALL SELECT 6 ,'c','2004-12-13'UNION ALL SELECT 7 ,'a','2004-12-14'UNION ALL SELECT 8 ,'a','2004-12-15'UNION ALL SELECT 9 ,'b','2004-12-16'UNION ALL SELECT 10,'b','2004-12-17'UNION ALL SELECT 11,'a','2004-12-17' --分页定义表CREATE TABLE tb_Page(grade varchar(10) PRIMARY KEY, --类别名称,与tb表的grade关联Records int, --每页显示的记录数Orders int) --在页中的显示顺序INSERT tb_Page SELECT 'c',2,1UNION ALL SELECT 'b',1,2UNION ALL SELECT 'a',2,3GO --实现分页处理的存储过程CREATE PROC p_PageView@PageCurrent int=1 --要显示的当前页码ASSET NOCOUNT ON--得到每页的记录数DECLARE @PageSize intSELECT @PageSize=SUM(Records) FROM tb_PageIF ISNULL(@PageSize,0)<0 RETURN --分页显示处理SET @PageCurrent=@PageCurrent*@PageSizeSET ROWCOUNT @PageCurrentSELECT SID=IDENTITY(int,1,1),ID INTO # FROM( SELECT TOP 100 PERCENT a.ID FROM tb a LEFT JOIN tb_Page b ON a.grade=b.grade ORDER BY CASE WHEN b.grade IS NULL THEN 1 ELSE 0 END,--分类没有定义的显示在最后 ((SELECT COUNT(*) FROM tb WHERE grade=a.grade AND (uptime>a.uptime OR uptime=a.uptime AND id>=a.id))-1) /b.Records, b.Orders,a.ID DESC)aIF @PageCurrent>@PageSizeBEGIN SET @PageCurrent=@PageCurrent-@PageSize SET ROWCOUNT @PageCurrent DELETE FROM #ENDSELECT a.* FROM tb a,# bWHERE a.ID=b.IDORDER BY b.SIDGO --调用EXEC p_PageView 2/*--结果ID grade uptime ----------- ---------- ------------------------------------------------------ 3 c 2004-12-11 00:00:00.0009 b 2004-12-16 00:00:00.0007 a 2004-12-14 00:00:00.0004 a 2004-12-12 00:00:00.0002 b 2004-12-11 00:00:00.000--*/
方法三：
set ANSI_NULLS ONset QUOTED_IDENTIFIER ONgoALTER PROC [dbo].[PROCE_PageView2000](@tbname nvarchar(100), --要分页显示的表名@FieldKey nvarchar(1000), --用于定位记录的主键(惟一键)字段,可以是逗号分隔的多个字段@PageCurrent int=1, --要显示的页码@PageSize int=10, --每页的大小(记录数)@FieldShow nvarchar(1000)='', --以逗号分隔的要显示的字段列表,如果不指定,则显示所有字段@FieldOrder nvarchar(1000)='', --以逗号分隔的排序字段列表,可以指定在字段后面指定DESC/ASC@WhereString nvarchar(1000)=N'', --查询条件@RecordCount int OUTPUT --总记录数)ASSET NOCOUNT ON--检查对象是否有效--IF OBJECT_ID(@tbname) IS NULL--BEGIN-- RAISERROR(N'对象"%s"不存在',1,16,@tbname)-- RETURN--END--IF OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsTable')=0-- AND OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsView')=0-- AND OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsTableFunction')=0--BEGIN-- RAISERROR(N'"%s"不是表、视图或者表值函数',1,16,@tbname)-- RETURN--END--分页字段检查IF ISNULL(@FieldKey,N'')=''BEGIN RAISERROR(N'分页处理需要主键（或者惟一键）',1,16) RETURNEND--其他参数检查及规范IF ISNULL(@PageCurrent,0)<1 SET @PageCurrent=1IF ISNULL(@PageSize,0)<1 SET @PageSize=10IF ISNULL(@FieldShow,N'')=N'' SET @FieldShow=N'*'IF ISNULL(@FieldOrder,N'')=N'' SET @FieldOrder=N''ELSE SET @FieldOrder=N'ORDER BY '+LTRIM(@FieldOrder)IF ISNULL(@WhereString,N'')=N'' SET @WhereString=N''ELSE SET @WhereString=N'WHERE ('+@WhereString+N')'--如果@RecordCount为NULL值,则计算总页数(这样设计可以只在第一次计算总页数,以后调用时,把总页数传回给存储过程,避免再次计算总页数,对于不想计算总页数的处理而言,可以给@RecordCount赋值)IF @RecordCount IS NULLBEGIN DECLARE @sql nvarchar(4000) SET @sql=N'SELECT @RecordCount=COUNT(*)' +N' FROM '+@tbname +N' '+@WhereString EXEC sp_executesql @sql,N'@RecordCount int OUTPUT',@RecordCount OUTPUTEND--计算分页显示的TOPN值DECLARE @TopN varchar(20),@TopN1 varchar(20)SELECT @TopN=@PageSize, @TopN1=(@PageCurrent-1)*@PageSize--第一页直接显示IF @PageCurrent=1 EXEC(N'SELECT TOP '+@TopN +N' '+@FieldShow +N' FROM '+@tbname +N' '+@WhereString +N' '+@FieldOrder)ELSEBEGIN --处理别名 IF @FieldShow=N'*' SET @FieldShow=N'a.*' --生成主键(惟一键)处理条件 DECLARE @Where1 nvarchar(4000),@Where2 nvarchar(4000), @s nvarchar(1000),@Field sysname SELECT @Where1=N'',@Where2=N'',@s=@FieldKey WHILE CHARINDEX(N',',@s)>0 SELECT @Field=LEFT(@s,CHARINDEX(N',',@s)-1), @s=STUFF(@s,1,CHARINDEX(N',',@s),N''), @Where1=@Where1+N' AND a.'+@Field+N'=b.'+@Field, @Where2=@Where2+N' AND b.'+@Field+N' IS NULL', @WhereString=REPLACE(@WhereString,@Field,N'a.'+@Field), @FieldOrder=REPLACE(@FieldOrder,@Field,N'a.'+@Field), @FieldShow=REPLACE(@FieldShow,@Field,N'a.'+@Field) SELECT @WhereString=REPLACE(@WhereString,@s,N'a.'+@s), @FieldOrder=REPLACE(@FieldOrder,@s,N'a.'+@s), @FieldShow=REPLACE(@FieldShow,@s,N'a.'+@s), @Where1=STUFF(@Where1+N' AND a.'+@s+N'=b.'+@s,1,5,N''), @Where2=CASE WHEN @WhereString='' THEN N'WHERE (' ELSE @WhereString+N' AND (' END+N'b.'+@s+N' IS NULL'+@Where2+N')' --执行查询 EXEC(N'SELECT TOP '+@TopN +N' '+@FieldShow +N' FROM '+@tbname +N' a LEFT JOIN(SELECT TOP '+@TopN1 +N' '+@FieldKey +N' FROM '+@tbname +N' a '+@WhereString +N' '+@FieldOrder +N')b ON '+@Where1 +N' '+@Where2 +N' '+@FieldOrder)END MSSQL2005set ANSI_NULLS ONset QUOTED_IDENTIFIER ONgoALTER PROCEDURE [dbo].[PROCE_SQL2005PAGECHANGE]( @TableName varchar(50), --表名 @ReFieldsStr varchar(200) = '*', --字段名(全部字段为*) @OrderString varchar(200), --排序字段(必须!支持多字段不用加order by) @WhereString varchar(500) =N'', --条件语句(不用加where) @PageSize int, --每页多少条记录 @PageIndex int = 1 , --指定当前为第几页 @TotalRecord int output --返回总记录数)AS BEGIN --处理开始点和结束点 Declare @StartRecord int; Declare @EndRecord int; Declare @TotalCountSql nvarchar(500); Declare @SqlString nvarchar(2000); set @StartRecord = (@PageIndex-1)*@PageSize + 1 set @EndRecord = @StartRecord + @PageSize - 1 SET @TotalCountSql= N'select @TotalRecord = count(*) from ' + @TableName;--总记录数语句 SET @SqlString = N'(select row_number() over (order by '+ @OrderString +') as rowId,'+@ReFieldsStr+' from '+ @TableName;--查询语句 -- IF (@WhereString! = '' or @WhereString!=null) BEGIN SET @TotalCountSql=@TotalCountSql + ' where '+ @WhereString; SET @SqlString =@SqlString+ ' where '+ @WhereString; END --第一次执行得到 --IF(@TotalRecord is null) -- BEGIN EXEC sp_executesql @totalCountSql,N'@TotalRecord int out',@TotalRecord output;--返回总记录数 -- END ----执行主语句 set @SqlString ='select * from ' + @SqlString + ') as t where rowId between ' + ltrim(str(@StartRecord)) + ' and ' + ltrim(str(@EndRecord)); Exec(@SqlString) END方法四：
USE [test]GO SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGO------------------------------------------------------------------------ALTER PROCEDURE [dbo].[Infos]( @UserId INT=NULL, @PageSize INT = NULL, @PageIndex INT = NULL, @RecordCount INT = NULL OUTPUT) AS DECLARE @MinIndex INT DECLARE @MaxIndex INT SET @MinIndex = (@PageIndex - 1) * @PageSize + 1 SET @MaxIndex = @MinIndex + @PageSize - 1 DECLARE @Record NVarChar(MAX) SET @Record='SELECT ROW_NUMBER() OVER(ORDER BY N.FUniqueID DESC) AS [Index], FNoticeTitleCHS, FPublishTime, FSystemUserID, N.FUniqueID FROM TBInfos AS N LEFT JOIN TBMails AS M ON N.FUniqueID=M.FNoticeUniqueid AND M.FSystemUserID='+ CONVERT(NVarChar, @UserId)+' WHERE N.FStatus=1' DECLARE @Sql NVARCHAR(Max) SET @Sql='SELECT @RecordCount = COUNT(*) FROM (' + @Record + ') DERIVEDTBL SELECT FNoticeTitleCHS, FPublishTime, FSystemUserID, FUniqueID FROM (' + @Record + ') DERIVEDTBL WHERE [Index] >= @MinIndex AND [Index] <= @MaxIndex' DECLARE @Parameter NVarChar(MAX) SET @Parameter = '@MinIndex Int, @MaxIndex Int, @RecordCount Int OUTPUT' EXEC sp_executesql @Sql, @Parameter, @MinIndex, @MaxIndex, @RecordCount OUTPUT方法五：
/*分页查找数据*/ CREATE PROCEDURE [dbo].[GetRecordSet] @strSql varchar(8000),--查询sql,如select * from [user] @PageIndex int,--查询当页号 @PageSize int--每页显示记录 AS set nocount on declare @p1 int declare @currentPage int set @currentPage = 0 declare @RowCount int set @RowCount = 0 declare @PageCount int set @PageCount = 0 exec sp_cursoropen @p1 output,@strSql,@scrollopt=1,@ccopt=1,@rowcount=@rowCount output --得到总记录数 select @PageCount=ceiling(1.0*@rowCount/@pagesize) --得到总页数 ,@currentPage=(@PageIndex-1)*@PageSize+1 select @RowCount,@PageCount exec sp_cursorfetch @p1,16,@currentPage,@PageSize exec sp_cursorclose @p1 set nocount off GO-- exec GetRecordSet 'select * from City',1,10
方法六：
DECLARE @page_size int --页大小DECLARE @page_index int --当前页码DECLARE @tables VARCHAR(512) --表,sql中from后where前的一大串DECLARE @fields VARCHAR(1024) --字段DECLARE @masterUniquePkid VARCHAR(32) --用于top分页排序的依据的唯一PKID-----------------------------示例数据SELECT @page_size=10SELECT @page_index=8SELECT @tables=' Productsmall p INNER join Categories c ON p.CategoryPkid=c.Pkid 'SELECT @fields=' p.* 'SELECT @masterUniquePkid='p.Pkid'---------------------------DECLARE @record_count int --总记录数--SELECT @record_count = count(1) FROM ProductsmallDECLARE @sql_record_count NVARCHAR(1000)SELECT @sql_record_count = N'SELECT @record_count = count(1) FROM ' + @tables EXEC sp_executesql @sql_record_count,N'@record_count int output',@record_count OUTPUT--PRINT @record_countDECLARE @page_count int --总页数SELECT @page_count = @record_count/@page_sizeDECLARE @top1_asc VARCHAR(8) --第一层top,最里层top,二分法的前一半记录SELECT @top1_asc = cast((@page_size * @page_index) AS varchar(8))DECLARE @top1_desc VARCHAR(8) --第一层top,最里层top,二分法的后一半记录,与前一半的记录条数并不一样,要视余数多少--SELECT @top1_desc = cast((@record_count - (@page_index-1) * @page_size ) AS varchar(8))DECLARE @top1_desc_i INT SELECT @top1_desc_i= @record_count - (@page_index-1) * @page_size if(@top1_desc_i<0) select @top1_desc_i=0SELECT @top1_desc = cast(@top1_desc_i AS varchar(8))DECLARE @top2 VARCHAR(8) --第二层top,用于取page_size个记录SELECT @top2 = cast((@page_size) AS varchar(8))declare @sql varchar(3600)select @sql = ''select @sql = @sql + 'SELECT * 'select @sql = @sql + 'FROM ( 'select @sql = @sql + ' SELECT TOP '+ @top2 +' * ,t2Pkid = t1Pkid '--@page_sizeselect @sql = @sql + ' FROM 'select @sql = @sql + ' ( 'IF(@page_index<=@page_count/2) select @sql = @sql + ' SELECT TOP '+ @top1_asc + @fields + ',t1Pkid=' + @masterUniquePkid --二分法:前一半ELSE select @sql = @sql + ' SELECT TOP '+ @top1_desc + @fields + ',t1Pkid=' + @masterUniquePkid --二分法:后一半select @sql = @sql + ' FROM ' + @tables + ' 'select @sql = @sql + ' WHERE 1=1 'IF(@page_index<=@page_count/2) select @sql = @sql + ' ORDER BY '+ @masterUniquePkid +' asc ' --二分法:前一半ELSE select @sql = @sql + ' ORDER BY '+ @masterUniquePkid +' desc ' --二分法:后一半 select @sql = @sql + ' ) t1 'IF(@page_index<=@page_count/2) select @sql = @sql + ' ORDER BY t1.t1Pkid desc ' --二分法:前一半ELSE select @sql = @sql + ' ORDER BY t1.t1Pkid asc ' --二分法:后一半 select @sql = @sql + ') t2 'select @sql = @sql + 'ORDER BY t2.t2Pkid asc ' --CategoryPkid ASC --Pkid asc -- 实际业务逻辑中需要的排序PRINT @sqlexec(@sql)go
--/*-----存储过程 分页处理 SW 2005-03-28创建 -------*/--/*----- 对数据进行了2分处理使查询前半部分数据与查询后半部分数据性能相同 -------*/--/*-----存储过程 分页处理 2005-04-21修改 添加Distinct查询功能-------*/--/*-----存储过程 分页处理 2005-05-18修改 多字段排序规则问题-------*/--/*-----存储过程 分页处理 2005-06-15修改 多字段排序修改-------*/--/*-----存储过程 分页处理 2005-12-13修改 修改数据分页方式为top max模式 性能有极大提高-------*/--/*-----缺点：相对之前的not in版本主键只能是整型字段,如主键为GUID类型请使用not in 模式的版本-------*/CREATE PROCEDURE dbo.proc_ListPageInt(@tblName nvarchar(200), ----要显示的表或多个表的连接@fldName nvarchar(500) = '*', ----要显示的字段列表@pageSize int = 10, ----每页显示的记录个数@page int = 1, ----要显示那一页的记录@pageCount int = 1 output, ----查询结果分页后的总页数@Counts int = 1 output, ----查询到的记录数@fldSort nvarchar(200) = null, ----排序字段列表或条件@Sort bit = 0, ----排序方法，0为升序，1为降序(如果是多字段排列Sort指代最后一个排序字段的排列顺序(最后一个排序字段不加排序标记)--程序传参如：' SortA Asc,SortB Desc,SortC ')@strCondition nvarchar(1000) = null, ----查询条件,不需where@ID nvarchar(150), ----主表的主键@Dist bit = 0 ----是否添加查询字段的 DISTINCT 默认0不添加/1添加)ASSET NOCOUNT ONDeclare @sqlTmp nvarchar(1000) ----存放动态生成的SQL语句Declare @strTmp nvarchar(1000) ----存放取得查询结果总数的查询语句Declare @strID nvarchar(1000) ----存放取得查询开头或结尾ID的查询语句Declare @strSortType nvarchar(10) ----数据排序规则ADeclare @strFSortType nvarchar(10) ----数据排序规则BDeclare @SqlSelect nvarchar(50) ----对含有DISTINCT的查询进行SQL构造Declare @SqlCounts nvarchar(50) ----对含有DISTINCT的总数查询进行SQL构造if @Dist = 0begin set @SqlSelect = 'select ' set @SqlCounts = 'Count(*)'endelsebegin set @SqlSelect = 'select distinct ' set @SqlCounts = 'Count(DISTINCT '+@ID+')'endif @Sort=0begin set @strFSortType=' ASC ' set @strSortType=' DESC 'endelsebegin set @strFSortType=' DESC ' set @strSortType=' ASC 'end--------生成查询语句----------此处@strTmp为取得查询结果数量的语句if @strCondition is null or @strCondition='' --没有设置显示条件begin set @sqlTmp = @fldName + ' From ' + @tblName set @strTmp = @SqlSelect+' @Counts='+@SqlCounts+' FROM '+@tblName set @strID = ' From ' + @tblNameendelsebegin set @sqlTmp = + @fldName + 'From ' + @tblName + ' where (1>0) ' + @strCondition set @strTmp = @SqlSelect+' @Counts='+@SqlCounts+' FROM '+@tblName + ' where (1>0) ' + @strCondition set @strID = ' From ' + @tblName + ' where (1>0) ' + @strConditionend----取得查询结果总数量-----exec sp_executesql @strTmp,N'@Counts int out ',@Counts outdeclare @tmpCounts intif @Counts = 0 set @tmpCounts = 1else set @tmpCounts = @Counts --取得分页总数 set @pageCount=(@tmpCounts+@pageSize-1)/@pageSize /**//**当前页大于总页数 取最后一页**/ if @page>@pageCount set @page=@pageCount --/*-----数据分页2分处理-------*/ declare @pageIndex int --总数/页大小 declare @lastcount int --总数%页大小 set @pageIndex = @tmpCounts/@pageSize set @lastcount = @tmpCounts%@pageSize if @lastcount > 0 set @pageIndex = @pageIndex + 1 else set @lastcount = @pagesize --//***显示分页 if @strCondition is null or @strCondition='' --没有设置显示条件 begin if @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2 --前半部分数据处理 begin if @page=1 set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName +' order by '+ @fldSort +' '+ @strFSortType else begin set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName +' where '+@ID+' <(select min('+ @ID +') from ('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-1) as Varchar(20)) +' '+ @ID +' from '+@tblName +' order by '+ @fldSort +' '+ @strFSortType+') AS TBMinID)' +' order by '+ @fldSort +' '+ @strFSortType end end else begin set @page = @pageIndex-@page+1 --后半部分数据处理 if @page <= 1 --最后一页数据显示 set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@lastcount as VARCHAR(4))+' '+ @fldName+' from '+@tblName +' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType else set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName +' where '+@ID+' >(select max('+ @ID +') from('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +' '+ @ID +' from '+@tblName +' order by '+ @fldSort +' '+ @strSortType+') AS TBMaxID)' +' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType end end else --有查询条件 begin if @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2 --前半部分数据处理 begin if @page=1 set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName +' where 1=1 ' + @strCondition + ' order by '+ @fldSort +' '+ @strFSortType else begin set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName +' where '+@ID+' <(select min('+ @ID +') from ('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-1) as Varchar(20)) +' '+ @ID +' from '+@tblName +' where (1=1) ' + @strCondition +' order by '+ @fldSort +' '+ @strFSortType+') AS TBMinID)' +' '+ @strCondition +' order by '+ @fldSort +' '+ @strFSortType end end else begin set @page = @pageIndex-@page+1 --后半部分数据处理 if @page <= 1 --最后一页数据显示 set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@lastcount as VARCHAR(4))+' '+ @fldName+' from '+@tblName +' where (1=1) '+ @strCondition +' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType else set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName +' where '+@ID+' >(select max('+ @ID +') from('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +' '+ @ID +' from '+@tblName +' where (1=1) '+ @strCondition +' order by '+ @fldSort +' '+ @strSortType+') AS TBMaxID)' +' '+ @strCondition+' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType end end------返回查询结果-----exec sp_executesql @strTmp--print @strTmpSET NOCOUNT OFFGO- SQL存储过程分页若干方法
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