can't you make a _local document with your own unique identifier? _local documents are not replicaed.
B. On Mon, Feb 1, 2010 at 6:58 PM, Filipe David Manana <[email protected]> wrote: > Hi everybody, > > Recently there was a suggestion at #couchdb, involving me, Chris Anderson > and Adam Kocoloski, about the possibility of adding UUIDs to a DB. > > It appeared in the context of a future _replications DB (which would store > history about replication sessions, etc). It would not be desirable to > replicate this DB into other nodes, otherwise it would mess up with their > replication session history. > > It might not be desirable to accidentally replicate other system related DBs > or user DBs (for some app specific reason). > Then Chris suggested the possibility of adding a UUID to the DB. This UUID > would be listed when doing a GET /somedb. > > At that moment I had to run and had no time to pose questions about this > feature. > I would like to understand it, have 1 or 2 example use cases, and figure out > how it would impact the current code base, and code it. > > What I am thinking about is that a source DB which has a UUID associated > with it, can not be replicated into a target DB unless the replication > objects specifies the source's UUID. > > Example, for a DB testdb with UUID=qwerty > > POST /_replicate/ > { "source": "testdb", "target": "testdb_copy"}' > > Would fail, while doing: > > POST /_replicate/ > { "source": "testdb", "source_uuid": "qwerty", "target": "testdb_copy" > } > > To create a DB with a UUID, we would just use a query parameter to specifiy > it, or use a boolean parameter to let couch generate it, for example. If > none of these query parameters is given, the UUID is simply not generated. > > Now, I might have not understood completely what Chris and Adam have in > mind, that's why I would like to collect some feedback from any of you. > I think I'm missing something from the big picture. > > best regards, > > -- > Filipe David Manana, > [email protected] > PGP key - http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xC569452B > > "Reasonable men adapt themselves to the world. > Unreasonable men adapt the world to themselves. > That's why all progress depends on unreasonable men." >
