Howdy guys, I'm pretty new to mongodb (only work with it for one small project) and I wanted to have your tips on how to organize my documents. My brain is not (yet) nosql formatted. I have a collection storing all kind of informations and I want to add tags to it. There will be 1-5 tags by document. I want to be able to search by tags ...
Hi there I'm trying to run a query where I want to ignore records with a certain email address... @foo = Bar.all(:email => 'xxx') <--- Except I want to negate where this email address exists. Please let me know how I can do it. Thanks! ...
I installed mongo mapper gem and have the version 0.8.2. I opened the environment.rb file and editing it to use MongoMapper as shown below: # Be sure to restart your server when you modify this file # Specifies gem version of Rails to use when vendor/rails is not present RAILS_GEM_VERSION = '2.3.8' unless defined? RAILS_GEM_VERSION #...
I have stumbled upon Mongoid which has great documentation: http://mongoid.org/docs/associations/ But I have heard that MongomMapper is de-facto for Rails. Where do I find API documentation for using Mongomapper? ...
Is it possible to combine AR with MongoMapper/MongoID? If so, are there tutorials/documentations for this? ...
Hi together, at the moment I'm doing some tests with MongoMapper. When using relations, http://www.mongodb.org/display/DOCS/MongoDB+Data+Modeling+and+Rails sugests to use cached values where it fits... I take a stripped down example from there: class Story include MongoMapper::Document key :title, String key :url, Str...
I have mongo_mapper set up like so: class Person include MongoMapper::Document many :pets end class Pet include MongoMapper::EmbeddedDocument key :animal, String key :name, String key :colour, String end # Create a person me = Person.new # Add pets to the person me.pets << Pet.new(:animal => 'dog',:name => 'Mr. Woofs', ...
I'm looking to Eager Load Associated Documents using MongoMapper. Say I have an author with a :has_one condition to a Post, I should be able to load the author using a single query Post.find(:all, :include => :author) Any suggestions? ...
Hi all: This is just for my weekend project/study, I am very new to Sinatra and MongoDB. I've installed the gems for mongoDB, such as: mongo, mongo_mapper and mongoid. When I tried connecting to my database on MongoHQ from localhost, it encountered such an error: Mongo::ConnectionFailure at / failed to connect to any given host:port ...
Hi All, How will I do authentication using Rails 2.3.8 using MongoDB and mongo_mapper? Let me know your expert advise on this. By the way, a Rails noob here :) Thanks! ...
Lets say we have a simple model that stores two integers, the min and the max. We would like to force min <= max. class MinMax include MongoMapper::Document key :min, Integer key :max, Integer validate_presence_of :min, :max end 1) How would you validate that min is indeed equal or less than max? 2) If you don't think this ...
From http://github.com/diaspora/diaspora/blob/master/spec/models/profile_spec.rb describe Profile do before do @person = Factory.build(:person) end describe 'requirements' do it "should include a first name" do @person.profile = Factory.build(:profile,:first_name => nil) @person.profile.valid?.should be false ...
gem 'rails', '3.0.0' gem 'devise' gem 'bson_ext', '>= 1.0.7' gem 'bson', '>= 1.0.7' gem 'mongo_mapper', :branch => 'rails3', :git => 'http://github.com/jnunemaker/mongomapper.git' gem 'devise-mongo_mapper', :git => 'git://github.com/collectiveidea/devise-mongo_mapper' With the above setup I get the following errors on requests: Starte...
I downloaded the mongo_mapper gem and it installed successfully. Now, I am using it in my app and it always throws exception "No file to load mongo_mapper". What is that supposed to mean? require 'mongo_mapper' include mongo UPDATE: After using require 'rubygems' first. My original problem is gone now there is another weird problem: ...
I'm using Mongoid to work with MongoDB in Rails. What I'm looking for is something like active record include. Currently I failed to find such method in mongoid orm. Anybody know how to solve this problem in mongoid or perhaps in mongomapper, which is known as another good alternative. ...
I would like to know how I can reproduce the following query as map reduce or any juice function from MongoMapper or MongoID: Event.find(:all,:select=>'events.company,SUM(price) as total_price', :group=> 'company',:order => ' total_price DESC, created_at DESC') ...
class Comment include MongoMapper::Document scope :by_rating, lambda { |minimum| where(:rating.gte => minimum) } key :rating belongs_to :user end class User include MongoMapper::Document many :comments end User.first.comments.by_rating(3) What does the query on last line actually do? Is MongoMapper intelligent enough ...
What is the best way to set up an index or configure a capped collections in a Rails project? From what I've found, it seems that a good way would be to keep this configuration in an initializer. The command for setting up an index is ModelName.ensure_index :key, but what is the command for a capped collection? ...
I have an index like this in my database (for my table entries): {"created_at": -1, "search_id": 1, "services":1} I can make use of that index if I perform a search in the Mongo console like this: db.entries.find({'search_id':1, 'services':2}).sort({'created_at': -1}) (if I perform an explain() on that query I can see that it's usi...
If I have: class Post include MongoMapper::Document has_many :comments end If I do: class Comment include MongoMapper::EmbeddedDocument belongs_to :post # relevant part end Does that create an association using _root_document/_parent_document, or do I have to add the (redundant) key :post_id? ...