存储过程替换text,ntext列中的字符串
类别: MSSQL教程 
/*
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
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
