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  • Sql Server通用分页存储过程

    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

    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)
    begin
    SET @TotalCountSql= N'select @TotalRecord = count(*) from ' + @TableName +' where '+@WhereClause; 
    --select @TotalCountSql
    EXEC sp_executesql @totalCountSql,N'@TotalRecord int out',@TotalRecord output;--返回总记录数
    end
    
    if @PageSize>0
    begin    
    if @PageIndex<1 set @PageIndex=1
    set @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));
    end
    else 
    begin
    set @SqlString='select '+@ColumnNames+' from '+ @TableName+' where '+@WhereClause +' order by '+@OrderClause
    end
    --select @SqlString
    Exec(@SqlString)
    END
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  • 原文地址:https://www.cnblogs.com/weishao/p/2484785.html
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