[sync] Re: [dev] What should we do about GUIDs changing?

[Anthony Mills]

AFAIK, It's not an issue.  Clients get to create there own ids, that is 
why we have to have a mapping to server ids.

Anthony

Mikael Geijer wrote:

> Hi guys.
> Following your work w interest, don't have time to contribute much 
> right now. Just wanted to mention that a 32 byte GUID might cause 
> problems when syncing with some devices. I'm a bit unsure what size 
> the SYNML-specs recommend - or if the size is negotiated when devinfo 
> is exchanged. I've seen at least one device with a 12 byte 
> restriction. Just for your info. Sorry if this makes a mess.
>
> Regards
>
> /Mikael
>
> Chuck Hagenbuch wrote:
>
>> Quoting Chuck Hagenbuch <chuck at horde.org>:
>>
>>> So, any ideas on a better way to do this? Should we add an extra 
>>> field for it to all our data stores? I'd rather not, where we can 
>>> avoid it.
>>
>>
>>
>> To update this: Nag, Mnemo, and Kronolith now generate 32-character 
>> item ids,
>> and the GUID doesn't include the sharename. All of them are able, at 
>> least with
>> the primary backends, to get an item based simply on the GUID (i.e, the
>> sharename isn't necessary).
>>
>>> Though, it occurs to me that the way the code is written, we delete 
>>> and recreate the task when we move it between tasklists, so that'd 
>>> have to be fixed too.
>>
>>
>>
>> Kronolith, Nag, and Mnemo also all now use a move() method to move 
>> items between
>> shares so that the GUID isn't changed. This means that you could sync 
>> a task
>> from your PDA to your default tasklist, edit it through Horde to 
>> include more
>> information and save it to a shared tasklist, and have the changes 
>> sync back to
>> your PDA with no problems, no link being broken, etc. Pretty nifty, 
>> when we get
>> there.
>>
>> The app I haven't touched is Turba, since it's a bit of a different 
>> beast. We'll
>> get to that one when we get there. I'd *really* like some help with 
>> Turba and
>> the things that are necessary for syncing, if anyone's interested.
>>
>> -chuck
>>
>> -- 
>> "Regard my poor demoralized mule!" - Juan Valdez
>
>
>
>