sql server2000分页方式很多,效率吗 当到达10万级以上就有些吃力了,这里暂时不例出来了 sql server2005以上就有了row_number 也是一大进步,详情如下参考 复制代码 代码如下: Sql Server2005通用
sql server2000分页方式很多,效率吗 当到达10万级以上就有些吃力了,这里暂时不例出来了
sql server2005以上就有了row_number 也是一大进步,详情如下参考复制代码 代码如下:Sql Server2005通用分页存储过程
CREATE PROCEDURE [dbo].[Common_GetPagedList](@TableName nvarchar(100), --表名@ColumnNames nvarchar(1000) = '*', --字段名集合(全部字段为*,其它逗号分隔)@OrderClause nvarchar(1000), --排序从句(不包含order by)@WhereClause nvarchar(1000) =N' 1=1 ', --条件从句(不包含where)@PageSize int = 0, --每页记录数(0为所有)@PageIndex int = 1, --页索引(从1开始)@TotalRecord int output --返回总记录数)AS
BEGIN if (@ColumnNames is null or @ColumnNames='') set @ColumnNames=' * 'if (@WhereClause is null or @WhereClause='') set @WhereClause=' 1=1 'if (@OrderClause is null or @OrderClause='') set @OrderClause=' Id desc '
--处理开始点和结束点Declare @StartRecord int;Declare @EndRecord int; Declare @TotalCountSql nvarchar(1200); Declare @SqlString nvarchar(4000);
--统计记录if(@TotalRecord is null OR @TotalRecord>=0)beginSET @TotalCountSql= N'select @TotalRecord = count(*) from ' + @TableName +' where '+@WhereClause; --select @TotalCountSqlEXEC sp_executesql @totalCountSql,N'@TotalRecord int out',@TotalRecord output;--返回总记录数end
if @PageSize>0begin if @PageIndex<1 set @PageIndex=1set @StartRecord = (@PageIndex-1)*@PageSize + 1 set @EndRecord = @StartRecord + @PageSize - 1 set @SqlString = N'select row_number() over (order by '+ @OrderClause +') as rowId,'+@ColumnNames+' from '+ @TableName+' where '+@WhereClause;set @SqlString ='select * from (' + @SqlString + ') as t where rowId between ' + ltrim(str(@StartRecord)) + ' and ' + ltrim(str(@EndRecord));endelse beginset @SqlString='select '+@ColumnNames+' from '+ @TableName+' where '+@WhereClause +' order by '+@OrderClauseend--select @SqlStringExec(@SqlString)END