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From Mark Hahn <m...@hahnca.com>
Subject Re: Is the revision field deterministic?
Date Wed, 09 Apr 2014 00:09:17 GMT
> by not conflicting the users loses information

By not conflicting, do you mean two docs with different content having same
rev?  How is this possible?  I thought the original poster on this thread
said he was wrong about that.




On Tue, Apr 8, 2014 at 4:56 PM, Dale Harvey <dale@arandomurl.com> wrote:

> Yup I almost mentioned PouchDB when I seen this thread come up, from an
> external implementors perspective it isnt great that CouchDB uses the
> internal erlang binary term format to create revisions, its possible to
> implement it compatibly but decided against it due to extra deps +
> complexity
>
> From an API perspective I believe its a leaky abstraction, I havent tested
> this but it seems like if the binary term format changes between erlang
> versions then the same code can have different behaviour, similiarly
> possible between couch versions.
>
> Also I just dont think its a great idea, by not conflicting the users loses
> information, its easy for audit software to force conflicts by adding the
> target id to the documents, but yeh it still makes me feel weird.
>
> And yup while unfortunately named, Couchbase Lite is very much along the
> same lines as PouchDB, with a different target platform. (we even stole the
> same replication optimisations :))
>
> Cheers
> Dale
>
>
>
>
> On 9 April 2014 00:36, Jens Alfke <jens@couchbase.com> wrote:
>
> >
> > On Apr 8, 2014, at 8:34 AM, Alexander Shorin <kxepal@gmail.com> wrote:
> >
> > > Jens, is that was another uncanny attempt to adv. unrelated product
> > > without providing relevant information? These actions only confuses
> > > people forcing them thinking that Couchbase and CouchDB are the
> > > similar products while they don't.
> >
> > Nope. Couchbase *Lite* and CouchDB _are_ very similar. They have the
> exact
> > same data model, a 95% similar REST API*, and can replicate with each
> > other. (The implementations are entirely different, though, because
> > Couchbase Lite is meant to be embedded in mobile apps.)
> >
> > Couchbase Lite is at least as similar to CouchDB as PouchDB is, and no
> one
> > complains about PouchDB being mentioned here.
> >
> > Couchbase *Server* is a different beast entirely. It was wrong of me to
> > discuss it here last week; apologies again.
> >
> > I know the names are confusing. Couchbase-the-company was named back when
> > it was very much about CouchDB, which then changed for complicated
> > technical reasons. Couchbase Lite was originally called TouchDB, but was
> > renamed for branding/marketing reasons outside my control.
> >
> > --Jens
> >
> > * CBL is missing some of the admin features, like user accounts and
> > _restart, that don't make sense for an embedded database; and it adds a
> > couple of replication optimizations that I've been discussing on the
> > 'replication' list here.
>

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