How do I describe an enumeration column in a Rails 3 migration?

Question

How do I describe an enumeration column in a Rails 3 migration?

Answer 1

Rails 4.1 contains enum for now!

You can write just

class User < ActiveRecord::Base
  enum status: [ :admin, :user, :banned ]
end

For migration write

t.integer :status

Rails 3 & 4.0

Best solution in my opinion is simple_enum gem.

Answer 2

Use enum_column to add enum support to active record

https://github.com/mdsol/enum_column

Answer 3

I like enumerated_attribute gem: https://github.com/jeffp/enumerated_attribute

Easy enum for your models, objects and views.

Works fine with rails 3.1

Answer 4

Something like

class User < ActiveRecord::Base
   validates_inclusion_of :status, :in => [:active, :inactive]

   def status
     read_attribute(:status).to_sym
   end

   def status= (value)
     write_attribute(:status, value.to_s)
   end
 end

Answer 5

I'll use the enum_fu gem: https://github.com/ikspres/enum_fu

Answer 6

Have a look at active_enum.

I think it fits your needs.