存储过程替换text,ntext列中的字符串

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  存储过程|字符串

/*
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


 



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