分页SQL总结(转)
1.分页存储过程
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author: <冯俊杰>
-- Create date: <2009-08-27>
-- Description: <通用分页存储过程>
-- =============================================
alter PROCEDURE [dbo].[proc_ListPage]
(
@tblName nvarchar(200), ----要显示的表或多个表的连接
@fldName nvarchar(500) = '*', ----要显示的字段列表
@pageSize int = 10, ----每页显示的记录个数
@page int = 1, ----要显示那一页的记录
@fldSort nvarchar(200) = NULL, ----排序字段列表或条件
@Sort bit = 0, ----排序方法,0为升序,1为降序(如果是多字段排列Sort指代最后一个排序字段的排列顺序(最后一个排序字段不加排序标记)--程序传参如'Sort A asc'
@strCondition nvarchar(1000) = NULL, ----查询条件,不需要where
@ID nvarchar(150), ----主表的主键
@Dist bit = 0, ----是否添加查询字段的 DISTINCT默认为0不添加/1添加
@pageCount int = 1 output, ----查询结果分页后的总页数
@Counts int = 1 output, ----查询到的记录数
@Curpage int=1 output----当前页码
)
AS
SET NOCOUNT ON
DECLARE @sqlTmp nvarchar(1000) ----存放动态生成sql语句
DECLARE @strTmp nvarchar(1000) ----存放取得查询结果总数的查询语句
DECLARE @strID nvarchar(1000) ----存放取得查询开头或结尾ID的查询语句
DECLARE @strSortType nvarchar(10) ----数据排序规则A
DECLARE @strFSortType nvarchar(10) ----数据排序规则B
DECLARE @SqlSelect nvarchar(50) ----对含有DISTINCT的查询sql进行构造
DECLARE @SqlCounts nvarchar(50) ----对含有DISTINCT的总数查询进行构造
IF @Dist = 0
BEGIN
SET @SqlSelect = 'select '
SET @SqlCounts = 'Count(0)'
END
ELSE
BEGIN
SET @SqlSelect = 'select distinct '
SET @SqlCounts = 'Count(DISTINCT '+@ID+')'
END
IF @Sort=0
BEGIN
SET @strFSortType=' ASC '
SET @strSortType=' DESC '
END
ELSE
BEGIN
SET @strFSortType=' DESC '
SET @strSortType=' ASC '
END
--------生成查询语句--
--此处@strTmp为取得查询结果数量的语句
IF @strCondition IS NULL
OR @strCondition=''
--没有设置显示条件
BEGIN
SET @sqlTmp = @fldName + ' From ' + @tblName
SET @strTmp = @SqlSelect+' @Counts='+@SqlCounts+' FROM '+@tblName
SET @strID = ' From ' + @tblName
END
ELSE
BEGIN
SET @sqlTmp = + @fldName + 'From ' + @tblName + ' where (1>0) ' + @strCondition
SET @strTmp = @SqlSelect+' @Counts='+@SqlCounts+' FROM '+@tblName + ' where (1>0) ' + @strCondition
SET @strID = ' From ' + @tblName + ' where (1>0) ' + @strCondition
END
----取得查询结果总数量
EXEC sp_executesql @strTmp,
N'@Counts int out ',
@Counts out
DECLARE @tmpCounts int
IF @Counts = 0
SET @tmpCounts = 1
ELSE
SET @tmpCounts = @Counts
--取得分页总数
set @pageCount=(@tmpCounts+@pageSize-1)/@pageSize
--当前页大于总页数取最后一页
if @page>@pageCount
set @page=@pageCount
--/*-----数据分页2分处理--
declare @pageIndex int --总数/页大小
declare @lastcount int --总数%页大小
set @pageIndex = @tmpCounts/@pageSize
set @lastcount = @tmpCounts%@pageSize
if @lastcount > 0
set @pageIndex = @pageIndex + 1
else
set @lastcount = @pagesize
--测试为配合显示
set nocount off
select @page curpage,@pageSize pagesize,@pageCount countpage,@tmpCounts [Rowcount]
set nocount on
--显示分页
if @strCondition is null or @strCondition='' --没有设置显示条件
begin
if @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2 --前半部分数据处理
begin
if @page=1
set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(40))+' '+ @fldName+' from '+@tblName
+' order by '+ @fldSort +' '+ @strFSortType
else
begin
set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(40))+' '+ @fldName+' from '+@tblName
+' where '+@ID
if @Sort=0
set @strTmp = @strTmp + '>(select max('
else
set @strTmp = @strTmp + '<(select min('
set @strTmp = @strTmp + @ID +') from ('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-1) as Varchar(20)) +' '+ @ID +' from '+@tblName
+' order by '+ @fldSort +' '+ @strFSortType+') AS TBMinID)'
+' order by '+ @fldSort +' '+ @strFSortType
end
end
else
begin
set @page = @pageIndex-@page+1 --后半部分数据处理
if @page <= 1 --最后一页数据显示
set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@lastcount as VARCHAR(40))+' '+ @fldName+' from '+@tblName
+' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType
else
begin
set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(40))+' '+ @fldName+' from '+@tblName
+' where '+@ID
if @Sort=0
set @strTmp=@strTmp+' <(select min('
else
set @strTmp=@strTmp+' >(select max('
set @strTmp=@strTmp+ @ID +') from('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +' '+ @ID +' from '+@tblName
+' order by '+ @fldSort +' '+ @strSortType+') AS TBMaxID)'
+' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType
end
end
end
else --有查?
begin
if @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2 --前半部分数据处理
begin
if @page=1
set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(40))+' '+ @fldName+' from '+@tblName
+' where 1=1 ' + @strCondition + ' order by '+ @fldSort +' '+ @strFSortType
else
begin
set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(40))+' '+ @fldName+' from '+@tblName
+' where '+@ID
if @Sort=0
set @strTmp = @strTmp + '>(select max('
else
set @strTmp = @strTmp + '<(select min('
set @strTmp = @strTmp + @ID +') from ('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-1) as Varchar(20)) +' '+ @ID +' from '+@tblName
+' where (1=1) ' + @strCondition +' order by '+ @fldSort +' '+ @strFSortType+') AS TBMinID)'
+' '+ @strCondition +' order by '+ @fldSort +' '+ @strFSortType
end
end
else
begin
set @page = @pageIndex-@page+1 --后半部分数据处理
if @page <= 1 --最后一页数据显示
set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@lastcount as VARCHAR(40))+' '+ @fldName+' from '+@tblName
+' where (1=1) '+ @strCondition +' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType
else
begin
set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(40))+' '+ @fldName+' from '+@tblName
+' where '+@ID
if @Sort=0
set @strTmp = @strTmp + '<(select min('
else
set @strTmp = @strTmp + '>(select max('
set @strTmp = @strTmp + @ID +') from('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +' '+ @ID +' from '+@tblName
+' where (1=1) '+ @strCondition +' order by '+ @fldSort +' '+ @strSortType+') AS TBMaxID)'
+' '+ @strCondition+' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType
end
end
end
------返回查询结?
SET NOCOUNT off
exec sp_executesql @strTmp
print @strTmp
exec proc_ListPage
'B_NewsInfo',
'*',
'10',
'2',
'NewsID',
'0',
'',
'NewsID',
'0',
''
2.
SELECT TOP 页大小 *
FROM table1
WHERE id NOT IN
(
SELECT TOP 页大小*(页数-1) id FROM table1 ORDER BY id
)
ORDER BY id
3.
SELECT TOP 页大小 *
FROM table1
WHERE id >
(
SELECT ISNULL(MAX(id),0)
FROM
(
SELECT TOP 页大小*(页数-1) id FROM table1 ORDER BY id
) A
)
ORDER BY id
4.
Sql2005的方法
FROM
(
SELECT ROW_NUMBER() OVER (ORDER BY id) AS RowNumber,* FROM table1
) A
WHERE RowNumber > 页大小*(页数-1)