在存储过程中如何执行动态SQL语句

[djdy_fei]

这是一个拼接SQL语句的存储过程

use kj249
go
/*--检查存储过程是否存在--*/
if exists(select * from sysobjects where name='proc_guiji')
 drop procedure proc_guiji
go
/*--创建储过程--*/
create procedure proc_guiji
@stime datetime='',
@etime datetime='',
@bh varchar (100)=''
as
declare @sql varchar(8000)
set @sql='
 select bh as bh,(select name from personinf where bh=P'+convert(varchar(8),@stime,112)+'.bh) as name,ygh as ygh,point as point,(select fzwzh from fzinfo where fzname=point) as fzwzh,rtime as rtime from p'+convert(varchar(8),@stime,112)+' where bh='+@bh
while convert(varchar(8),@stime,112)<convert(varchar(8),@etime,112)
begin
 set @stime=dateadd(DD,1,@stime)
 set @sql=@sql+'
 union all 
 select bh as bh,(select name from personinf where bh=P'+convert(varchar(8),@stime,112)+'.bh) as name,ygh as ygh,point as point,(select fzwzh from fzinfo where fzname=point) as fzwzh,rtime as rtime from p'+convert(varchar(8),@stime,112)+' where bh='+@bh
end
--print @sql
go
/*--调用存储过程--*/
 EXEC proc_guiji '2011-06-21','2011-07-21','114'

如何执行这个动态的SQL语句 并返回结果

[Felixzhaowenzhong]

use kj249
go
/*--检查存储过程是否存在--*/
if exists(select * from sysobjects where name='proc_guiji')
 drop procedure proc_guiji
go
/*--创建储过程--*/
create procedure proc_guiji
@stime datetime='',
@etime datetime='',
@bh varchar (100)=''
as
declare @sql varchar(8000)
set @sql='
 select bh as bh,(select name from personinf where bh=P'+convert(varchar(8),@stime,112)+'.bh) as name,ygh as ygh,point as point,(select fzwzh from fzinfo where fzname=point) as fzwzh,rtime as rtime from p'+convert(varchar(8),@stime,112)+' where bh='+@bh
while convert(varchar(8),@stime,112)<convert(varchar(8),@etime,112)
begin
 set @stime=dateadd(DD,1,@stime)
 set @sql=@sql+'
 union all 
 select bh as bh,(select name from personinf where bh=P'+convert(varchar(8),@stime,112)+'.bh) as name,ygh as ygh,point as point,(select fzwzh from fzinfo where fzname=point) as fzwzh,rtime as rtime from p'+convert(varchar(8),@stime,112)+' where bh='+@bh
end
--print @sql
exec (@SQL)--------------执行
go
/*--调用存储过程--*/
 EXEC proc_guiji '2011-06-21','2011-07-21','114'



 

[人生无悔]

--若你的sql沒錯，直接執行不就可以了
--print @sql
exec(@sql)