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#3580 ✓duplicate
Danny Tipple

Has Many Association With Conditions And Dependant Throws Error

Reported by Danny Tipple | December 16th, 2009 @ 01:08 PM | in 2.3.9

When using a has many association with both conditions and dependent params a "wrong number of arguments (2 for 1)" error is thrown in activerecord-2.3.5/lib/active_record/associations.rb line 1416

One such example of this is..

has_many :comments, :foreign_key => 'commentable_id', :conditions => "commentable_type = 'User'", :dependent => :destroy

Simliar happens with..

has_many :comments, :foreign_key => 'commentable_id', :conditions => {:commentable_type => 'User'}, :dependent => :destroy

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