Deletes Are Driving Me Crazy

Fabian Thylmann fabian at toomuchmedia.com
Wed Jan 11 15:03:24 UTC 2006


Could you explain a little bit more what you are trying to do then? 
Maybe you are using memcached in a way it was not designed to be used.

Fabian


Matthew Glubb wrote:

> Thanks for the reply, but no, that is not want I want. I need to know  
> that when I delete an item, it is deleted. I need to be able to use  
> add because there are other situations where I want to prevent the  
> possibility of overwriting a value. 'add' is a great way to defend  
> against that situation.
>
> Matt
>
> On 11 Jan 2006, at 11:39, Fabian Thylmann wrote:
>
>> Hi Matt,
>>
>> what you probably want is
>>
>> set(key, val)
>>
>> which will set a new value for key even if it exists.
>>
>> Fabian
>>
>>
>> Matthew Glubb wrote:
>>
>>> Happy New Year to you all.
>>>
>>> I am sorry if this has been covered before but I have trawled  
>>> through  the list archives and cannot find a definitive solution.
>>>
>>> I would really like to know how to:
>>>
>>> add(key, val)
>>> delete(key)
>>> add(key, val)
>>>
>>> Just seems to plain not work (all adds have zero expiration).
>>>
>>> If I:
>>>
>>> add(key, val)
>>> delete(key, 1)
>>> sleep(2)
>>> add(key, val)
>>>
>>> It works.
>>>
>>> Please can someone enlighten me as to how I may immediately delete  
>>> a  key and then add a key of the same name? I am using  
>>> memcached-1.1.12  & John McCaskey's mcache extension 1.2.0 beta10.
>>>
>>> I noticed in the archives this thread:
>>>
>>> <http://lists.danga.com/pipermail/memcached/2004-July/000688.html>
>>>
>>> This seems to be related to the problem that I am having but my   
>>> version of memcached is almost a year later than this so I would   
>>> assume that the patch referred to in the thread is included. I'm   
>>> going to check that this isn't a problem with John's mcache  
>>> extension  but if anyone has a simple answer to my problem I'd  love 
>>> to hear it.
>>>
>>> Thanks a lot for your help :)
>>>
>>> Matt
>>>
>>>
>>
>
>
>
> m a t t h e w   g l u b b
>
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