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Rails 4.0 with MongoDB and Mongoid Discussion

General • Asked by Chris Oliver

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> rake
rake aborted!
Don't know how to build task 'default'

(See full trace by running task with --trace)


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Yo. The ActiveRecord issue is a bit easier than you have described. When you create your app, just add the -O switch, and it will skip all AR.

rails new myapp -O

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Fantastic. I'll update the post.


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I followed this tutorial on Rails 4.02 with latest Mongoid from Git. In my case it's also required to add this line in initializers code:
Mongoid.load!("path/to/your/mongoid.yml")


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Maybe it's just me, but there doesn't seem to be a date on this post. Seems like it might be relevant, given the obviously time-sensitive nature of edge development.

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It was posted about 3 months ago. I haven't kept up on Mongoid's development, but it looks like they've been working closer to 4.0.0: https://rubygems.org/gems/m...

Looks like it's pretty questionable as to eventual compatibility with Rails 4 (https://github.com/mongoid/... so these instructions should still be pretty up-to-date.

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Yeah, I'm trying it out.

Why not just timestamp posts?

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Just redesigned the blog, forgot to add it in. :)


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Ярослав Ничка

Very useful, thanx!


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In my case, I changed in gemfile "gem 'mongoid', '~> 4', github: 'mongoid/mongoid'" to "gem 'mongoid', github: 'mongoid/mongoid'" and then run bundle install. This worked for me


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I have two collections in mongo. Can I use mongoid to join them based on their common field. Can I get some tutorial.


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One Quick Question

Your Article looks intresting,...

Can you post some Usecases regarding, When one should use Mongodb with rails?

Besause I think with rails if your using Mongodb,

Rails makes it relational in many places using relations between models.

Its hard to write code with zero relations

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That's up to you to make sure you've got a project that's worth using with it. There are lots of good articles on it that you can check out:

http://java.dzone.com/artic...
http://docs.mongodb.org/eco...
http://www.sarahmei.com/blo...


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Good Post, But gem 'mongoid', git: 'https://github.com/mongoid/... is working perfect...Thanks,


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