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From Kenny Stone <kst...@connamara.com>
Subject Re: [Newbie] Partial replication
Date Sat, 04 Sep 2010 13:55:58 GMT
Filtered replication

http://wiki.apache.org/couchdb/Replication#Filtered_Replication

--
Kenny

On Sep 4, 2010, at 3:36, Johannes Schneider <mailings@cedarsoft.com> wrote:

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> Hi guys,
> 
> I have started learning CouchDB two days ago. And I really like it.
> While I have read a good part of CouchDB The Definitive Guide, I might
> have missed the crucial part..
> 
> At first I wanna say thanks for that great product. The first impression
> is impressive...
> Second I have a question about attachments and/or replication.
> 
> 
> Think about that kind of product:
> Storage of (large) media files (e.g. raw photos). For each media file
> there are a lot of data entries (comments, ratings, discussions...).
> And of course there are previews in different sizes.
> 
> Now I'd like to implement a client on Android (based on
> http://www.couch.io/android). And I like that idea of replicating the
> database to the mobile device.
> But of course I just want a part of my database on the Android.
> I never want the large raw files. And I don't only need a part of the
> previews (those that correspond to the screen size).
> 
> But I also don't want to download the complete database (which might
> contain millions of documents). I'd prefer to have some kind of
> semi-intelligent algorithm (maybe download the last n entries or
> something like that). Or maybe just some documents used for overview
> pages (view results).
> And of course it should be possible to download the missing documents on
> request...
> 
> 
> Is this possible with CouchDB? If yes, could you give me some
> hints/keywords so that I can continue my search...
> 
> 
> 
> 
> Thanks,
> 
> Johannes Schneider
> - -- 
> Johannes Schneider - blog.cedarsoft.com
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