------创建数据库data_Test -----create database data_TestGOuse data_TestGOcreate table tb_TestTable --创建表(id int identity(1,1) primary key,userName nvarchar(20) not null,userPWD nvarchar(20) not null,userEmail nvarchar(40) null)GO------插入数据------set identity_insert tb_TestTable ondeclare @count intset @count=1while @count<=2000000begininsert into tb_TestTable(id,userName,userPWD,userEmail) values(@count,‘admin‘,‘admin888‘,‘[email protected]‘)set @[email protected]+1endset identity_insert tb_TestTable off---1、利用select top 和select not in进行分页,具体代码如下create procedure proc_paged_with_notin --利用select top and select not in(@pageIndex int, --页索引@pageSize int --每页记录数)asbeginset nocount on;declare @timediff datetime --耗时declare @sql nvarchar(500)select @timediff=Getdate()set @sql=‘select top ‘+str(@pageSize)+‘ * from tb_TestTable where(ID not in(select top ‘+str(@pageSize*@pageIndex)+‘ id from tb_TestTable order by ID ASC)) order by ID‘execute(@sql) --因select top后不支技直接接参数,所以写成了字符串@sqlselect datediff(ms,@timediff,GetDate()) as 耗时set nocount off;end---2、利用select top 和 select max(列键)---create procedure proc_paged_with_selectMax --利用select top and select max(列)(@pageIndex int, --页索引@pageSize int --页记录数)asbeginset nocount on;declare @timediff datetimedeclare @sql nvarchar(500)select @timediff=Getdate()set @sql=‘select top ‘+str(@pageSize)+‘ * From tb_TestTable where(ID>(select max(id) From (select top ‘+str(@pageSize*@pageIndex)+‘ id From tb_TestTable order by ID) as TempTable)) order by ID‘execute(@sql)select datediff(ms,@timediff,GetDate()) as 耗时set nocount off;end---3、利用select top和中间变量--此方法因网上有人说效果最佳---create procedure proc_paged_with_Midvar --利用ID>最大ID值和中间变量(@pageIndex int,@pageSize int)asdeclare @count intdeclare @ID intdeclare @timediff datetimedeclare @sql nvarchar(500)beginset nocount on;select @count=0,@ID=0,@timediff=getdate()select @[email protected]+1,@ID=case when @count<[email protected]*@pageIndex then ID else @ID end from tb_testTable order by id< /c11> set @sql=‘select top ‘+str(@pageSize)+‘ * from tb_testTable where ID>‘+str(@ID)execute(@sql)select datediff(ms,@timediff,getdate()) as 耗时set nocount off;end---4、利用Row_number() 此方法为SQL server 2005中新的方法,利用Row_number()给数据行加上索引create procedure proc_paged_with_Rownumber --利用SQL 2005中的Row_number()(@pageIndex int,@pageSize int)asdeclare @timediff datetimebeginset nocount on;select @timediff=getdate()select&NBSP; * &NBSP; from &NBSP; ( Select &NBSP; *,row_number () over (order &NBSP; by &NBSP; ID ASC &NBSP; as Idrank &NBSP; from &NBSP; tb_ testtable) &NBSP; as idwithrownumber &NBSP; where idrank> @pageSize * @pageIndex and idrank< @pageSize * (@pageIndex + 1) select datediff(ms,@timediff,getdate()) as 耗时set nocount off;end---5、利用临时表及Row_numbercreate procedure proc_CTE --利用临时表及Row_number(@pageIndex int, --页索引@pageSize int --页记录数)asset nocount on;declare @ctestr nvarchar(400)declare @strSql nvarchar(400)declare @datediff datetimebeginselect @datediff=GetDate()set @ctestr=‘with Table_CTE as(select ceiling((Row_number() over(order by ID ASC))/‘+str(@pageSize)+‘) as page_num,* from tb_TestTable)‘;< /c0>set @[email protected]+‘ select * From Table_CTE where page_num=‘+str(@pageIndex)endbeginexecute sp_executesql @strSqlselect datediff(ms,@datediff,GetDate())set nocount off;end |
Stored procedures of 5 kinds of page notation, the following code is from the forgotten when from the other people that CTRL + C, so just as a collection, I hope the author see do not spray me.
SQL Server paging stored procedure notation and performance comparison