method

create_has_and_belongs_to_many_reflection

v3.0.9 - Show latest stable - 0 notes - Class: ActiveRecord::Associations::ClassMethods

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create_has_and_belongs_to_many_reflection(association_id, options, &extension) private

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# File activerecord/lib/active_record/associations.rb, line 1795
        def create_has_and_belongs_to_many_reflection(association_id, options, &extension)
          options.assert_valid_keys(valid_keys_for_has_and_belongs_to_many_association)
          options[:extend] = create_extension_modules(association_id, extension, options[:extend])

          reflection = create_reflection(:has_and_belongs_to_many, association_id, options, self)

          if reflection.association_foreign_key == reflection.primary_key_name
            raise HasAndBelongsToManyAssociationForeignKeyNeeded.new(reflection)
          end

          reflection.options[:join_table] ||= join_table_name(undecorated_table_name(self.to_s), undecorated_table_name(reflection.class_name))
          if connection.supports_primary_key? && (connection.primary_key(reflection.options[:join_table]) rescue false)
             raise HasAndBelongsToManyAssociationWithPrimaryKeyError.new(reflection)
          end

          reflection
        end

create_has_and_belongs_to_many_reflection

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