WITH,ROW_NUMBER and OVER这三个关键字是sql Server2005中新增加的,通过这些关键字来实现分页查询非常简单,下面仅实现一个简单的例子:
With Cust AS
( SELECT CustomerID,CompanyName,
ROW_NUMBER() OVER (order by CompanyName) as RowNumber
FROM Customers )
select *
from Cust
Where RowNumber Between 20 and 30
将上述的代码封装到的存储过程中:
CREATE PROC GetCustomersByPage
@PageSize int,@PageNumber int
AS
Declare @RowStart int
Declare @RowEnd int
if @PageNumber > 0
Begin
SET @PageNumber = @PageNumber -1
SET @RowStart = @PageSize * @PageNumber + 1;
SET @RowEnd = @RowStart + @PageSize - 1 ;
With Cust AS
( SELECT CustomerID,
ROW_NUMBER() OVER (order by CompanyName) as RowNumber
FROM Customers )
select *
from Cust
Where RowNumber >= @RowStart and RowNumber <= @RowEnd end
END
更详细的内容参考http://www.codeproject.com/KB/database/PagingResults.aspx
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