存储过程替换text,ntext列中的字符串

发表于:2007-06-21来源:作者:点击数: 标签:
/* author:amjn date:2003-03-28 version:1.0 function:替换text,ntext列中的字符串(不支持中文) */ declare @ptr varbinary(16) declare @amjnId int declare @Position int,@len int set @len=datalength('ILOVEHJL') declare wux_Cursor scroll Cursor fo

   
  /*
author:amjn
date:2003-03-28
version:1.0
function:替换text,ntext列中的字符串(不支持中文)
*/
declare @ptr varbinary(16)
declare @amjnId int
declare @Position int,@len int
set @len=datalength('ILOVEHJL')  

declare wux_Cursor scroll Cursor
for
select textptr([Name]),[amjnId] from USA201
for read only
open wux_Cursor
fetch next from wux_Cursor into @ptr,@amjnId
while @@fetch_status=0
begin
  select @Position=patindex('%ILOVEHJL%',[Name]) from USA201 where [amjnId]=@amjnId
  while @Position>0
  begin
    set @Position=@Position-1
    updatetext USA201.[Name] @ptr @Position @len 'i love hjl'
    select @Position=patindex('%ILOVEHJL%',[Name]) from USA201 where [amjnId]=@amjnId
  end
  fetch next from wux_Cursor into @ptr,@amjnId
end
close wux_cursor
deallocate wux_cursor
go

原文转自:http://www.ltesting.net