简单实用的分页存储过程,支持多字段排序
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简单实用的分页存储过程,支持多字段排序
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CREATE PROCEDURE [dbo].[PublicSplitPage_sp]
@TableName varchar(8000), --表名
@SqlStr varchar(8000)=null, --查詢語句
@Condition varchar(8000), --查詢條件
@PageIndex int, --頁所引,從0開始
@PageSize int, --分頁大小
@orderDESC varchar(100), --倒排序字段,支持多個字段
@orderASC varchar(100), --順排序字段,支持多個,字段先后順序與倒排序一致(有重復(fù)性字段時,最后加ID排序)
@PKField varchar(50)='*', --索引字段
@SearField varchar(1000), --查詢字段
@RecordCount int out --返回記錄數(shù)
AS
if @SqlStr is not null and @SqlStr<>''
beginexec(@SqlStr)select @RecordCount=@@ROWCOUNT
end
else
begindeclare @iTop int,@tmpTop intdeclare @vSQL nvarchar(2000)set @vSQL = N'select @count=Count('+@PKField+') from ' + @TableName + ' where ' + @Conditionexec sp_ExecuteSQL @vSQL, N'@count int output', @RecordCount output set @iTop=@PageSizeset @tmpTop=@RecordCount-(@PageSize*(@PageIndex-1))if @RecordCount<@PageSize*@PageIndexbeginset @iTop=@tmpTopendDECLARE @sqlStr1 varchar(8000)IF @PageIndex = 1SET @sqlStr1 = 'SELECT TOP ' + STR(@PageSize) + ' '+@SearField+' FROM '+@TableName+' WHERE '+@Condition+' ORDER BY '+@orderDESCELSE if @PageIndex<@RecordCount/(2*@PageSize) SET @sqlStr1 = 'SELECT TOP ' + STR(@PageSize) + ' * FROM (select top ' + STR(@PageSize) + ' * from (SELECT TOP ' + STR(@PageSize*@PageIndex) + ' '+@SearField+' FROM '+@TableName+' WHERE '+@Condition+' ORDER BY '+@orderASC+') TempTable order by '+@orderDESC+') A ORDER BY '+@orderASCelseSET @sqlStr1 = 'SELECT TOP ' + STR(@iTop) + ' * FROM (SELECT TOP ' + STR(@tmpTop) + ' '+@SearField+' FROM '+@TableName+' WHERE '+@Condition+' ORDER BY '+@orderASC+') TempTable ORDER BY '+@orderDESCprint(@sqlStr1)EXEC(@sqlStr1)
end
?
?
附:其他實現(xiàn)思路:
1、
CREATE PROCEDURE [dbo].[sp_PageRecordByRowNumber] @sqlStr NVARCHAR(MAX)='', --表數(shù)據(jù)源 @Orders NVARCHAR(200)='', --排序,直接寫排序語句,不要加order by,如intID desc @intPage INT=1, --當(dāng)前頁 @PageSize INT=20, --頁大小 @TotalRecord INT=0, --如果等于0則每次都計算總記錄數(shù),大于0則不計算,直接返回 @RetVal VARCHAR(100) = NULL OUTPUT --結(jié)果說明 AS DECLARE @Rt INT; DECLARE @Sql NVARCHAR(max); SET @Sql='SELECT * FROM (SELECT ROW_NUMBER() OVER (ORDER BY '+@Orders+') AS RowNumber,* FROM ('+@Sqlstr+') t ) t1 WHERE RowNumber BETWEEN ' + CONVERT(VARCHAR,(@intPage-1)*@PageSize+1)+' AND ' + CONVERT(VARCHAR,@intPage*@PageSize); EXEC sp_executesql @Sql;--得到記錄總數(shù) IF @TotalRecord = 0 BEGIN SET @Sql='SELECT @TotalRecord = COUNT(*) FROM ('+@sqlstr+') t'; EXEC sp_executesql @sql, N'@TotalRecord int OUTPUT', @Rt OUTPUT; END ELSE SET @Rt = @TotalRecord; RETURN @Rt;2、
select top 5 * from t_product where id not in (select top (5*1) id from t_product)?
轉(zhuǎn)載于:https://www.cnblogs.com/pengbp/archive/2012/07/03/2574335.html
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