create database DBTest use DBTest --创建测试表 create table pagetest ( id int identity(1,1) not null, col01 int null, col02 nvarchar(50) null, col03 datetime null ) --1万记录集 declare @i int set @i=0 while(@i<10000) begin insert into pagetest select cast(floor(rand()*10000) as int),left(newid(),10),getdate() set @i=@i+1 end
select top 50 * from pagetest where id not in (select top 9900 id from pagetest order by id) order by id
select top 50 * from pagetest where not exists (select 1 from (select top 9900 id from pagetest order by id)a where a.id=pagetest.id) order by id
select top 50 * from pagetest where id>(select max(id) from (select top 9900 id from pagetest order by id)a) order by id
select top 50 * from (select row_number()over(order by id)rownumber,* from pagetest)a where rownumber>9900 select * from (select row_number()over(order by id)rownumber,* from pagetest)a where rownumber>9900 and rownumber<9951 select * from (select row_number()over(order by id)rownumber,* from pagetest)a where rownumber between 9901 and 9950
select * from ( select row_number()over(order by tempColumn)rownumber,* from (select top 9950 tempColumn=0,* from pagetest where 1=1 order by id)a )b where rownumber>9900
declare @begin_date datetime declare @end_date datetime select @begin_date = getdate() <.....YOUR CODE.....> select @end_date = getdate() select datediff(ms,@begin_date,@end_date) as '毫秒'
ROWNUMBER():
ALTER PROCEDURE [dbo].[Proc_SqlPageByRownumber]
(
@tbName VARCHAR(255), --表名
@tbGetFields VARCHAR(1000)= '*',--返回字段
@OrderfldName VARCHAR(255), --排序的字段名
@PageSize INT=20, --页尺寸
@PageIndex INT=1, --页码
@OrderType bit = 0, --0升序,非0降序
@strWhere VARCHAR(1000)='', --查询条件
--@TotalCount INT OUTPUT --返回总记录数
)
AS
-- =============================================
-- Author: allen (liyuxin)
-- Create date: 2012-03-30
-- Description: 分页存储过程(支持多表连接查询)
-- Modify [1]: 2012-03-30
-- =============================================
BEGIN
DECLARE @strSql VARCHAR(5000) --主语句
DECLARE @strSqlCount NVARCHAR(500)--查询记录总数主语句
DECLARE @strOrder VARCHAR(300) -- 排序类型
--------------总记录数---------------
IF ISNULL(@strWhere,'') <>''
SET @strSqlCount='Select @TotalCout=count(*) from ' + @tbName + ' where 1=1 '+ @strWhere
ELSE SET @strSqlCount='Select @TotalCout=count(*) from ' + @tbName
--exec sp_executesql @strSqlCount,N'@TotalCout int output',@TotalCount output
--------------分页------------
IF @PageIndex <= 0 SET @PageIndex = 1
IF(@OrderType<>0) SET @strOrder=' ORDER BY '+@OrderfldName+' DESC '
ELSE SET @strOrder=' ORDER BY '+@OrderfldName+' ASC '
SET @strSql='SELECT * FROM
(SELECT ROW_NUMBER() OVER('+@strOrder+') RowNo,'+ @tbGetFields+' FROM ' + @tbName + ' WHERE 1=1 ' + @strWhere+' ) tb
WHERE tb.RowNo BETWEEN '+str((@PageIndex-1)*@PageSize+1)+' AND ' +str(@PageIndex*@PageSize)
exec(@strSql)
SELECT @TotalCount
END
public static SqlParameter MakeInParam(string ParamName, SqlDbType DbType, Int32 Size, object Value)
{
return MakeParam(ParamName, DbType,Size, ParameterDirection.Input, Value);
}
public static SqlParameter MakeOutParam(string ParamName, SqlDbType DbType)
{
return MakeParam(ParamName, DbType, 0, ParameterDirection.Output, null);
}
public static SqlParameter MakeParam(string ParamName, SqlDbType DbType, Int32 Size, ParameterDirection Direction, object Value)
{
SqlParameter param;
if (Size > 0)
param = new SqlParameter(ParamName, DbType, Size);
else
param = new SqlParameter(ParamName, DbType);
param.Direction = Direction;
if (!(Direction == ParameterDirection.Output && Value == null))
param.Value = Value;
return param;
}
/// <summary>
/// 分页获取数据列表及总行数
/// </summary>
/// <param name="tbName">表名</param>
/// <param name="tbGetFields">返回字段</param>
/// <param name="OrderFldName">排序的字段名</param>
/// <param name="PageSize">页尺寸</param>
/// <param name="PageIndex">页码</param>
/// <param name="OrderType">false升序,true降序</param>
/// <param name="strWhere">查询条件</param>
public static DataSet GetPageList(string tbName, string tbGetFields, string OrderFldName, int PageSize, int PageIndex, string strWhere)
{
SqlParameter[] parameters = {
MakeInParam("@tbName",SqlDbType.VarChar,255,tbName),
MakeInParam("@tbGetFields",SqlDbType.VarChar,1000,tbGetFields),
MakeInParam("@OrderfldName",SqlDbType.VarChar,255,OrderFldName),
MakeInParam("@PageSize",SqlDbType.Int,0,PageSize),
MakeInParam("@PageIndex",SqlDbType.Int,0,PageIndex),
MakeInParam("@OrderType",SqlDbType.Bit,0,OrderType),
MakeInParam("@strWhere",SqlDbType.VarChar,1000,strWhere),
// MakeOutParam("@TotalCount",SqlDbType.Int)
};
return RunProcedure("Proc_SqlPageByRownumber", parameters, "ds");
}
public DataTable GetList(string tbName, string tbGetFields, string OrderFldName, int PageSize, int PageIndex, string strWhere, ref int TotalCount)
{
DataSet ds = dal.GetList(tbName, tbGetFields, OrderFldName, PageSize, PageIndex, strWhere);
TotalCount = Convert.ToInt32(ds.Tables[1].Rows[0][0]);
return ds.Tables[0];
}
tbName =“UserInfo u INNER JOIN Department d ON u.DepID=d.ID” tbGetFields=“u.ID AS UserID,u.Name,u.Sex,d.ID AS DepID,d.DefName” OrderfldName=“u.ID,ASC|u.Name,DESC” (格式:Name,ASC|ID,DESC) strWhere:每个条件前必须添加 AND (例如:AND UserInfo.DepID=1 )
create proc [dbo].[spSqlPageByMaxTop] @tbName varchar(255), --表名 @tbFields varchar(1000), --返回字段 @PageSize int, --页尺寸 @PageIndex int, --页码 @strWhere varchar(1000), --查询条件 @StrOrder varchar(255), --排序条件 @Total int output --返回总记录数 as declare @strSql varchar(5000) --主语句 declare @strSqlCount nvarchar(500)--查询记录总数主语句 --------------总记录数--------------- if @strWhere !='' begin set @strSqlCount='Select @TotalCout=count(*) from ' + @tbName + ' where '+ @strWhere end else begin set @strSqlCount='Select @TotalCout=count(*) from ' + @tbName end --------------分页------------ if @PageIndex <= 0 begin set @PageIndex = 1 end set @strSql='select top '+str(@PageSize)+' * from ' + @tbName + ' where id>(select max(id) from (select top '+str((@PageIndex-1)*@PageSize)+' id from ' + @tbName + ''+@strOrder+')a) '+@strOrder+'' exec sp_executesql @strSqlCount,N'@TotalCout int output',@Total output exec(@strSql)
declare @count int --exec [dbo].[spSqlPageByRownumber]'pagetest','*',50,20,'','order by id asc',@count output exec [dbo].[spSqlPageByMaxTop]'pagetest','*',50,20,'','order by id asc',@count output select @count
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