The upcoming book by O’Reilly is free to read online: http://books.couchdb.org/relax/ Just install and play around – you can do straight http requests using curl on the command line, or use the built-in web interface called futon. Storing and retrieving data is really easy, the hardest part is thinking in terms of map/reduce-views instead of … Read more
Get the revision number of the document to be updated if there is a conflict during attachment and recursively call in-case of a conflict, $url = “http://couchdb/DATABASE/DOCID/ATTACHMENTNAME?rev=$rev”; curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true ); curl_setopt( $ch, CURLOPT_PUT, true ); curl_setopt( $ch, CURLOPT_URL, $url ); curl_exec( $ch );
First you put the user in _users database. The ID of the document must be org.couchdb.user:username, e.g. With CouchDB 1.2.0 or later use this: { “_id”: “org.couchdb.user:dbreader”, “name”: “dbreader”, “type”: “user”, “roles”: [], “password”: “plaintext_password” } CouchDB will hash & salt the password for you on the server side and save the values in the … Read more
CouchDB is a document store. You put documents (JSON objects) in it and define views (indexes) over them. The objects can be arbitrarily complex with potentially deep structure. Further, they are not constrained to following some consistent schema. Cassandra is a ragged-table key-value store. It just stores rows, each of which has a set of … Read more
There have been some great answers to this already, but I wanted to add some more recent CouchDB features to the mix of options for working with the original situation described by viatropos. The key point at which to split up documents is where there might be conflicts (as mentioned earlier). You should never keep … Read more