通用存储过程.分页存储过程（转）

/*
名称:spAll_ReturnRows
输入:
输出:
调用:
EXEC spAll_ReturnRows 'SELECT * FROM 表名', 页号, 返回记录数, '主键', '排序字段'
spAll_ReturnRows 'SELECT * FROM all_Categories',2,10,'[ID]','[ID]'
说明:[百万级]通用存储过程.分页存储过程..返回指定返回条数、指定页数的记录

*/

CREATE PROCEDURE dbo.spAll_ReturnRows
(
@SQL nVARCHAR(4000),
@Page int,
@RecsPerPage int,
@ID VARCHAR(255),
@Sort VARCHAR(255)
)
AS

DECLARE @Str nVARCHAR(4000)

SET @Str='SELECT TOP '+CAST(@RecsPerPage AS VARCHAR(20))+' * FROM ('+@SQL+') T WHERE T.'+@ID+' NOT IN
(SELECT TOP '+CAST((@RecsPerPage*(@Page-1)) AS VARCHAR(20))+' '+@ID+' FROM ('+@SQL+') T9 ORDER BY '+@Sort+') ORDER BY '+@Sort

PRINT @Str

EXEC sp_ExecuteSql @Str
GO

/*
名称:spAll_DeleteNoneUnique
输入:要查询的表名和字段列表
输出:
调用:
说明:实现千万级数据的分页显示!--可以在5秒内获取1448万条记录里的第1200页的100条记录，雄不？
*/

CREATE PROCEDURE GetRecordFromPage
@tblName varchar(255), -- 表名
@fldName varchar(255), -- 字段名
@PageSize int = 10, -- 页尺寸
@PageIndex int = 1, -- 页码
@IsCount bit = 0, -- 返回记录总数, 非 0 值则返回
@OrderType bit = 0, -- 设置排序类型, 非 0 值则降序
@strWhere varchar(1000) = '' -- 查询条件 (注意: 不要加 where)
AS

declare @strSQL varchar(6000) -- 主语句
declare @strTmp varchar(100) -- 临时变量
declare @strOrder varchar(400) -- 排序类型

if @OrderType != 0
begin
set @strTmp = "<(select min"
set @strOrder = " order by [" + @fldName +"] desc"
end
else
begin
set @strTmp = ">(select max"
set @strOrder = " order by [" + @fldName +"] asc"
end

set @strSQL = "select top " + str(@PageSize) + " * from ["
+ @tblName + "] where [" + @fldName + "]" + @strTmp + "(["
+ @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
+ @fldName + "] from [" + @tblName + "]" + @strOrder + ") as tblTmp)"
+ @strOrder

if @strWhere != ''
set @strSQL = "select top " + str(@PageSize) + " * from ["
+ @tblName + "] where [" + @fldName + "]" + @strTmp + "(["
+ @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
+ @fldName + "] from [" + @tblName + "] where " + @strWhere + " "
+ @strOrder + ") as tblTmp) and " + @strWhere + " " + @strOrder

if @PageIndex = 1
begin
set @strTmp = ""
if @strWhere != ''
set @strTmp = " where " + @strWhere

set @strSQL = "select top " + str(@PageSize) + " * from ["
+ @tblName + "]" + @strTmp + " " + @strOrder
end

if @IsCount != 0
set @strSQL = "select count(*) as Total from [" + @tblName + "]"

exec (@strSQL)

GO