Activerecord join search

Posted by VP on Stack Overflow See other posts from Stack Overflow or by VP
Published on 2010-04-17T11:22:22Z Indexed on 2010/04/17 11:23 UTC
Read the original article Hit count: 121

Filed under:

ruby-on-rails

|

activerecord

|

rails

Hi,

i have two models:

class Category 
 has many :jobs
end

class Job
 belongs_to :category
end

So for sure i'm able to do

c = Category.first
c.jobs

My question is: how can i find just categories that has at least one job?

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