如何在SQL Server 2008中进行分页?如何在SQL Server 2008中进行分页
回答
你可以尝试像
DECLARE @Table TABLE(
Val VARCHAR(50)
)
DECLARE @PageSize INT,
@Page INT
SELECT @PageSize = 10,
@Page = 2
;WITH PageNumbers AS(
SELECT Val,
ROW_NUMBER() OVER(ORDER BY Val) ID
FROM @Table
)
SELECT *
FROM PageNumbers
WHERE ID BETWEEN ((@Page - 1) * @PageSize + 1)
AND (@Page * @PageSize)
我觉得这个代码不到风度工作。你测试了这个代码吗? (它应该用“@Table”替换“PageNumbers”表) – RockOnGom 2013-03-20 02:21:06
@zeitgeist,它使用了一个名为PageNumbers的CTE,你测试过的代码是不是? – 2013-03-20 04:35:10
您可以使用ROW_NUMBER():
返回结果集的分区内的行的顺序号,从1开始每个分区中的第一行。
例子:
WITH CTEResults AS
(
SELECT IDColumn, SomeField, DateField, ROW_NUMBER() OVER (ORDER BY DateField) AS RowNum
FROM MyTable
)
SELECT *
FROM CTEResults
WHERE RowNum BETWEEN 10 AND 20;
1)CREATE伪数据
CREATE TABLE #employee (EMPID INT IDENTITY, NAME VARCHAR(20))
DECLARE @id INT = 1
WHILE @id < 200
BEGIN
INSERT INTO #employee (NAME) VALUES ('employee_' + CAST(@id AS VARCHAR))
SET @id = @id + 1
END
2)现在应用解。
这种情况下,假设EMPID是唯一的并且排序的列。
关 - 当然,你会运用它的不同列...
DECLARE @pageSize INT = 20
SELECT * FROM (
SELECT *, PageNumber = CEILING(CAST(EMPID AS FLOAT)/@pageSize)
FROM #employee
) MyQuery
WHERE MyQuery.PageNumber = 1
可爱的接近,但增加一个新的列可能是一个开销 – 2014-02-17 20:26:40
SQL Server 2012中提供了分页功能(见http://www.codeproject.com/Articles/442503/New-features-for-database-developers-in-SQL-Server)
在SQL2008,你可以这样来做:
declare @rowsPerPage as bigint;
declare @pageNum as bigint;
set @rowsPerPage=25;
set @pageNum=10;
With SQLPaging As (
Select Top(@rowsPerPage * @pageNum) ROW_NUMBER() OVER (ORDER BY ID asc)
as resultNum, *
FROM Employee)
select * from SQLPaging with (nolock) where resultNum > ((@pageNum - 1) * @rowsPerPage)
Prooven!它的工作原理和规模一致。
这些是我在SQL服务器端分页查询结果的解决方案。我已经添加了过滤和排序的概念与一列。当您在GridView中进行分页和过滤时,它非常高效。在测试之前,你必须创建一个样本表并在该表中插入一行:(在现实世界中,你必须改变Where子句考虑你的表字段,也许你在select的主要部分有一些连接和子查询)
Create Table VLT
(
ID int IDentity(1,1),
Name nvarchar(50),
Tel Varchar(20)
)
GO
Insert INTO VLT
VALUES
('NAME' + Convert(varchar(10),@@identity),'FAMIL' + Convert(varchar(10),@@identity))
GO 500000
在SQL Server 2008中,您可以使用CTE概念。正因为如此,我已经写了两个类型的查询的SQL Server 2008+
- SQL服务器2008+
DECLARE @PageNumber Int = 1200
DECLARE @PageSize INT = 200
DECLARE @SortByField int = 1 --The field used for sort by
DECLARE @SortOrder nvarchar(255) = 'ASC' --ASC or DESC
DECLARE @FilterType nvarchar(255) = 'None' --The filter type, as defined on the client side (None/Contain/NotContain/Match/NotMatch/True/False/)
DECLARE @FilterValue nvarchar(255) = '' --The value the user gave for the filter
DECLARE @FilterColumn int = 1 --The column to wich the filter is applied, represents the column number like when we send the information.
SELECT
Data.ID,
Data.Name,
Data.Tel
FROM
(
SELECT
ROW_NUMBER()
OVER(ORDER BY
CASE WHEN @SortByField = 1 AND @SortOrder = 'ASC'
THEN VLT.ID END ASC,
CASE WHEN @SortByField = 1 AND @SortOrder = 'DESC'
THEN VLT.ID END DESC,
CASE WHEN @SortByField = 2 AND @SortOrder = 'ASC'
THEN VLT.Name END ASC,
CASE WHEN @SortByField = 2 AND @SortOrder = 'DESC'
THEN VLT.Name END ASC,
CASE WHEN @SortByField = 3 AND @SortOrder = 'ASC'
THEN VLT.Tel END ASC,
CASE WHEN @SortByField = 3 AND @SortOrder = 'DESC'
THEN VLT.Tel END ASC
) AS RowNum
,*
FROM VLT
WHERE
(-- We apply the filter logic here
CASE
WHEN @FilterType = 'None' THEN 1
-- Name column filter
WHEN @FilterType = 'Contain' AND @FilterColumn = 1
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.ID LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'NotContain' AND @FilterColumn = 1
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.ID NOT LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'Match' AND @FilterColumn = 1
AND VLT.ID = @FilterValue THEN 1
WHEN @FilterType = 'NotMatch' AND @FilterColumn = 1
AND VLT.ID <> @FilterValue THEN 1
-- Name column filter
WHEN @FilterType = 'Contain' AND @FilterColumn = 2
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.Name LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'NotContain' AND @FilterColumn = 2
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.Name NOT LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'Match' AND @FilterColumn = 2
AND VLT.Name = @FilterValue THEN 1
WHEN @FilterType = 'NotMatch' AND @FilterColumn = 2
AND VLT.Name <> @FilterValue THEN 1
-- Tel column filter
WHEN @FilterType = 'Contain' AND @FilterColumn = 3
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.Tel LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'NotContain' AND @FilterColumn = 3
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.Tel NOT LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'Match' AND @FilterColumn = 3
AND VLT.Tel = @FilterValue THEN 1
WHEN @FilterType = 'NotMatch' AND @FilterColumn = 3
AND VLT.Tel <> @FilterValue THEN 1
END
) = 1
) AS Data
WHERE Data.RowNum > @PageSize * (@PageNumber - 1)
AND Data.RowNum <= @PageSize * @PageNumber
ORDER BY Data.RowNum
GO
而第二个解决方案与CTE在SQL服务器2008+
DECLARE @PageNumber Int = 1200
DECLARE @PageSize INT = 200
DECLARE @SortByField int = 1 --The field used for sort by
DECLARE @SortOrder nvarchar(255) = 'ASC' --ASC or DESC
DECLARE @FilterType nvarchar(255) = 'None' --The filter type, as defined on the client side (None/Contain/NotContain/Match/NotMatch/True/False/)
DECLARE @FilterValue nvarchar(255) = '' --The value the user gave for the filter
DECLARE @FilterColumn int = 1 --The column to wich the filter is applied, represents the column number like when we send the information.
;WITH
Data_CTE
AS
(
SELECT
ROW_NUMBER()
OVER(ORDER BY
CASE WHEN @SortByField = 1 AND @SortOrder = 'ASC'
THEN VLT.ID END ASC,
CASE WHEN @SortByField = 1 AND @SortOrder = 'DESC'
THEN VLT.ID END DESC,
CASE WHEN @SortByField = 2 AND @SortOrder = 'ASC'
THEN VLT.Name END ASC,
CASE WHEN @SortByField = 2 AND @SortOrder = 'DESC'
THEN VLT.Name END ASC,
CASE WHEN @SortByField = 3 AND @SortOrder = 'ASC'
THEN VLT.Tel END ASC,
CASE WHEN @SortByField = 3 AND @SortOrder = 'DESC'
THEN VLT.Tel END ASC
) AS RowNum
,*
FROM VLT
WHERE
(-- We apply the filter logic here
CASE
WHEN @FilterType = 'None' THEN 1
-- Name column filter
WHEN @FilterType = 'Contain' AND @FilterColumn = 1
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.ID LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'NotContain' AND @FilterColumn = 1
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.ID NOT LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'Match' AND @FilterColumn = 1
AND VLT.ID = @FilterValue THEN 1
WHEN @FilterType = 'NotMatch' AND @FilterColumn = 1
AND VLT.ID <> @FilterValue THEN 1
-- Name column filter
WHEN @FilterType = 'Contain' AND @FilterColumn = 2
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.Name LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'NotContain' AND @FilterColumn = 2
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.Name NOT LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'Match' AND @FilterColumn = 2
AND VLT.Name = @FilterValue THEN 1
WHEN @FilterType = 'NotMatch' AND @FilterColumn = 2
AND VLT.Name <> @FilterValue THEN 1
-- Tel column filter
WHEN @FilterType = 'Contain' AND @FilterColumn = 3
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.Tel LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'NotContain' AND @FilterColumn = 3
AND (-- In this case, when the filter value is empty, we want to show everything.
VLT.Tel NOT LIKE '%' + @FilterValue + '%'
OR
@FilterValue = ''
) THEN 1
WHEN @FilterType = 'Match' AND @FilterColumn = 3
AND VLT.Tel = @FilterValue THEN 1
WHEN @FilterType = 'NotMatch' AND @FilterColumn = 3
AND VLT.Tel <> @FilterValue THEN 1
END
) = 1
)
SELECT
Data.ID,
Data.Name,
Data.Tel
FROM Data_CTE AS Data
WHERE Data.RowNum > @PageSize * (@PageNumber - 1)
AND Data.RowNum <= @PageSize * @PageNumber
ORDER BY Data.RowNum
SELECT DISTINCT标识,ParticipantId,ActivityDate,IsApproved, IsDeclined,请将isDeleted,SubmissionDate,IsResubmitted,
[CategoryId] Id,[CategoryName] Name,
[ActivityId] [Id],[ActivityName] Name,Points,
[UserId] [Id],Email,
ROW_NUMBER() OVER(ORDER BY Id desc) AS RowNum from
(SELECT DISTINCT
Id,ParticipantId,
ActivityDate,IsApproved,
IsDeclined,IsDeleted,
SubmissionDate, IsResubmitted,
[CategoryId] [CategoryId],[CategoryName] [CategoryName],
[ActivityId] [ActivityId],[ActivityName] [ActivityName],Points,
[UserId] [UserId],Email,
ROW_NUMBER() OVER(ORDER BY Id desc) AS RowNum from
(SELECT DISTINCT ASN.Id,
ASN.ParticipantId,ASN.ActivityDate,
ASN.IsApproved,ASN.IsDeclined,
ASN.IsDeleted,ASN.SubmissionDate,
CASE WHEN (SELECT COUNT(*) FROM FDS_ActivitySubmission WHERE ParentId=ASN.Id)>0 THEN CONVERT(BIT, 1) ELSE CONVERT(BIT, 0) END IsResubmitted,
AC.Id [CategoryId], AC.Name [CategoryName],
A.Id [ActivityId],A.Name [ActivityName],A.Points,
U.Id[UserId],U.Email
FROM
FDS_ActivitySubmission ASN WITH (NOLOCK)
INNER JOIN
FDS_ActivityCategory AC WITH (NOLOCK)
ON
AC.Id=ASN.ActivityCategoryId
INNER JOIN
FDS_ApproverDetails FDSA
ON
FDSA.ParticipantID=ASN.ParticipantID
INNER JOIN
FDS_ActivityJobRole FAJ
ON FAJ.RoleId = FDSA.JobRoleId INNER JOIN
FDS_Activity A WITH (NOLOCK)
ON
A.Id=ASN.ActivityId
INNER JOIN
Users U WITH (NOLOCK)
ON
ASN.ParticipantId=FDSA.ParticipantID
WHERE
[email protected] AND [email protected] AND ASN.IsDeleted=0
AND
ISNULL(U.Id,0)=ISNULL(@ApproverId,0)
AND ISNULL(ASN.IsDeleted,0)<>1)P)t where t.RowNum between
(((@PageNumber - 1) * @PageSize) + 1) AND (@PageNumber * PageSize)
AND [email protected] AND [email protected] AND t.IsDeleted = 0
AND (ISNULL(t.Id,0)=ISNULL(@SubmissionId,0)or ISNULL(@SubmissionId,0)<=0)
请不要只发布一些代码,但请解释*为什么*和*代码如何解决此问题。 – 2017-01-30 08:03:37
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