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Ruby ActiveRecord Basics Migrations and Relationships Relationships

Damian Sieczkowski
Damian Sieczkowski
9,730 Points
Posted by Damian Sieczkowski
Damian Sieczkowski
9,730 Points

has_many and belongs_to challenge not passing

*The Challenge... * http://teamtreehouse.com/library/relationships-3

*Question is... *

Let's say we have a BlogPost model and a Comment model that represents comments someone might leave on a blog post. The comments table includes a blog_post_id column. Please setup the relationships correctly.

Answer

class BlogPost < ActiveRecord::Base
  has_many :comments
end

class Comment < ActiveRecord::Base
  belongs_to :blogpost
end

Here is a screenshot

http://screencast.com/t/WWIMVtrFn1Y

6 Answers

Mikal Chawdry
Mikal Chawdry
5,571 Points

I wrote the following and it passed for me.

class BlogPost < ActiveRecord::Base
  has_many :comments
end

class Comment < ActiveRecord::Base
  belongs_to :blog_post
end
Michelle Cannito
Michelle Cannito
8,992 Points
Michelle Cannito
Michelle Cannito
8,992 Points

try :blog_post instead of :blogpost

Damian Sieczkowski
Damian Sieczkowski
9,730 Points
Damian Sieczkowski
Damian Sieczkowski
9,730 Points

Nice - thanks guys! Did not realize I needed an underscore there.

Mikal Chawdry
Mikal Chawdry
5,571 Points

no problem!

Mikal Chawdry
Mikal Chawdry
5,571 Points

Don't know much SQL. Wouldn't be able to help you there.

jay niceness
jay niceness
7,406 Points
jay niceness
jay niceness
7,406 Points

Why did this require an underscore blog_post vs blogpost ? the model says BlogPost