Ruby on CouchDB - SimplyStored and RockingChair

SimplyStored & RockingChair Ruby on CouchDB Jonathan Weiss, 04.03.2010 Peritor GmbH Thursday, March 4, 2010

Peritor Cloud-Management und -Deployment made easy http://scalarium.com 2 Thursday, March 4, 2010

Database Requirements High availability Easy replication and copy Clustering 3 Thursday, March 4, 2010

CouchDB relax 4 Thursday, March 4, 2010

Die Lösung Built for the Web Scales Performant Replication built-in Flexible schema 5 Thursday, March 4, 2010

CouchDB { "_id": "BCCD12CBB", "_rev": "1-AB764C", "type": "person", "name": "Darth Vader", "age": 63, "headware": ["Helmet", "Sombrero"], "dark_side": true } 6 Thursday, March 4, 2010

CouchDB - CRUD Create and update: PUT /starwars/BCCD12CBB Read: GET /starwars/BCCD12CBB Delete: DELETE /starwars/BCCD12CBB 9 Thursday, March 4, 2010

CouchDB How do I query my data? 10 Thursday, March 4, 2010

CouchDB Views! 11 Thursday, March 4, 2010

CouchDB function(doc) { if (doc.headware) { for (var hat in doc.headware) { emit(hat, 1); } } } 12 Thursday, March 4, 2010

CouchDB function(keys, values, rereduce) { return sum(values); } 13 Thursday, March 4, 2010

CouchDB function(keys, values, rereduce) { return sum(values); } 14 Thursday, March 4, 2010

Queries SQL CouchDB JavaScript SELECT * FROM function(doc) { if (doc['ruby_class'] == 'User' && `users` WHERE doc['status'] == 1) { `users`.id = 5 emit([doc.project_id, doc.created_at], null); AND `status` = 1; } } 15 Thursday, March 4, 2010

Queries ActiveRecord SimplyStored class Project < ActiveRecord::Base class Project has_many :users include SimplyStored::Couch end has_many :users end Project.ﬁrst.users Project.ﬁrst.users 16 Thursday, March 4, 2010

SimplyStored SimplyStored Models Associations Validations Callbacks Dynamic ﬁnder S3 attachments Paranoid delete http://github.com/peritor/simply_stored 17 Thursday, March 4, 2010

SimplyStored Standing on the shoulders of giants: - CouchPotato - CouchRest - RestClient - HTTP - CouchDB http://github.com/peritor/simply_stored Thursday, March 4, 2010

RockingChair In-memory CouchDB - Just a big Hash - Speeds up your tests - Tests can run in parallel - Nice for debugging http://github.com/jweiss/rocking_chair Thursday, March 4, 2010

Now show me some Code! Thursday, March 4, 2010

Peritor GmbH Blücherstr. 22, Hof III Aufgang 6 10961 Berlin Tel.: +49 (0)30 69 20 09 84 0 Fax: +49 (0)30 69 20 09 84 9 Internet: www.peritor.com E-Mail: info@peritor.com © Peritor GmbH - Alle Rechte Vorbehalten Thursday, March 4, 2010

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Ruby on CouchDB - SimplyStored and RockingChair

by Jonathan Weiss on Mar 05, 2010

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Ruby on CouchDB - SimplyStored and RockingChair — Presentation Transcript