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method

has_primary_key?

Importance_0
Ruby on Rails latest stable (v4.1.8) - 0 notes - Class: ActiveRecord::Associations::HasAndBelongsToManyAssociation

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v3.0.9) is shown here.

has_primary_key?() public

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# File activerecord/lib/active_record/associations/has_and_belongs_to_many_association.rb, line 30
      def has_primary_key?
        @has_primary_key ||= @owner.connection.supports_primary_key? && @owner.connection.primary_key(@reflection.options[:join_table])
      end
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