CouchDB doesn't support ad-hoc queries (i.e. queries with arbitrary conditions). You need to create a view and query that.
I started working on lithium and couchdb using their blog tutorial. One thing i noticed is that find:all is not working properly: Posts:find('all', array('conditions' => array('title' => 'title')) The conditions are not working. It all queries the documents and designs. Any experience about it?