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Luiz Vitor Martinez Cardoso

2008-Jul-18 21:51 UTC

Problem with has_many and belongs_to: NameError: uninitialized constant User::Recipy

Hello,

I''m learning to use ORM system. I read a lot of content but i
can''t get it
to work.

class CreateUsers < ActiveRecord::Migration
  def self.up
    create_table :users do |t|
      t.column :email, :string
      t.column :nome, :string
      t.timestamps
    end
  end

  def self.down
    drop_table :users
  end
end

class CreateRecipies < ActiveRecord::Migration
  def self.up
    create_table :recipies do |t|
      t.column :titulo, :string
      t.column :descricao, :string
      t.column :user_id, :integer
      t.column :recipie_id, :integer
      t.timestamps
    end
  end

  def self.down
    drop_table :recipies
  end
end

class User < ActiveRecord::Base
  has_many :recipies
end

class Recipie < ActiveRecord::Base
  belongs_to :user
end

At console i''m typing

usr = Users.find(1)
>> recipie = usr.recipiesNameError: uninitialized constant User::Recipy
    from
/Library/Ruby/Gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:492:in
`const_missing''
    from
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/base.rb:1909:in
`compute_type''
    from
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/reflection.rb:129:in
`send''
    from
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/reflection.rb:129:in
`klass''
    from
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/reflection.rb:137:in
`quoted_table_name''
    from
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/associations/has_many_association.rb:84:in
`construct_sql''
    from
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/associations/association_collection.rb:8:in
`initialize''
    from
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/associations.rb:1128:in
`new''
    from
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/associations.rb:1128:in
`recipies''
    from (irb):2


Why?

Thanks for your attention!


-- 
Regards,

Luiz Vitor Martinez Cardoso
cel.: (11) 8187-8662
blog: rubz.org
engineer student at maua.br

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Eric Hill

2008-Jul-18 22:53 UTC

head link

Re: Problem with has_many and belongs_to: NameError: uninitialized constant User::Recipy

> NameError: uninitialized constant User::Recipy
Check your spelling.

-e


Luiz Vitor Martinez Cardoso wrote:> Hello,
> 
> I''m learning to use ORM system. I read a lot of content but i
can''t get
> it to work.
> 
> class CreateUsers < ActiveRecord::Migration
>   def self.up
>     create_table :users do |t|
>       t.column :email, :string
>       t.column :nome, :string
>       t.timestamps
>     end
>   end
> 
>   def self.down
>     drop_table :users
>   end
> end
> 
> class CreateRecipies < ActiveRecord::Migration
>   def self.up
>     create_table :recipies do |t|
>       t.column :titulo, :string
>       t.column :descricao, :string
>       t.column :user_id, :integer
>       t.column :recipie_id, :integer
>       t.timestamps
>     end
>   end
> 
>   def self.down
>     drop_table :recipies
>   end
> end
> 
> class User < ActiveRecord::Base
>   has_many :recipies
> end
> 
> class Recipie < ActiveRecord::Base
>   belongs_to :user
> end
> 
> At console i''m typing
> 
> usr = Users.find(1)
> 
>  >> recipie = usr.recipies
> NameError: uninitialized constant User::Recipy
>     from 
>
/Library/Ruby/Gems/1.8/gems/activesupport-2.1.0/lib/active_support/dependencies.rb:492:in
> `const_missing''
>     from 
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/base.rb:1909:in
> `compute_type''
>     from 
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/reflection.rb:129:in
> `send''
>     from 
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/reflection.rb:129:in
> `klass''
>     from 
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/reflection.rb:137:in
> `quoted_table_name''
>     from 
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/associations/has_many_association.rb:84:in
> `construct_sql''
>     from 
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/associations/association_collection.rb:8:in
> `initialize''
>     from 
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/associations.rb:1128:in
> `new''
>     from 
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.1.0/lib/active_record/associations.rb:1128:in
> `recipies''
>     from (irb):2
> 
> 
> Why?
> 
> Thanks for your attention!
> 
> 
> -- 
> Regards,
> 
> Luiz Vitor Martinez Cardoso
> cel.: (11) 8187-8662
> blog: rubz.org <http://rubz.org>
> engineer student at maua.br <http://maua.br>
> 
> > 

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Denner Bizarria

2008-Sep-17 03:20 UTC

head link

Re: Problem with has_many and belongs_to: NameError: uniniti

try this...
> class User < ActiveRecord::Base
>>>   has_many :recipies, :class_name => ''Recipie''
> end
> 
> class Recipie < ActiveRecord::Base
>   belongs_to :user
> end

-- 
Posted via http://www.ruby-forum.com/.

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Rails - Jul 2008 - Problem with has_many and belongs_to: NameError: uninitialized constant User::Recipy

Problem with has_many and belongs_to: NameError: uninitialized constant User::Recipy

Re: Problem with has_many and belongs_to: NameError: uninitialized constant User::Recipy

Re: Problem with has_many and belongs_to: NameError: uniniti