Prevent Rails ActiveRecord from store some attributes

exclude_persisting_attributes_concern.rb

module ExcludePersistingAttributesConcern
  module Prepender
    def arel_attributes_with_values(attribute_names)
      super(attribute_names_without_one_for_persisting(attribute_names))
    end
  end

  extend ActiveSupport::Concern

  included do
    include Prepender

    class_attribute :exclude_persisting_attribute_names
  end

  class_methods do
    def exclude_attributes_from_persisting(*attribute_names)
      self.exclude_persisting_attribute_names = attribute_names
    end

    def attribute_names_without_one_for_persisting(attribute_names)
      attribute_names - Array.wrap(exclude_persisting_attribute_names).map(&:to_s)
    end
  end

  private

  def attribute_names_without_one_for_persisting(attribute_names)
    self.class.attribute_names_without_one_for_persisting(attribute_names)
  end
end

model.rb

class Model < ActiveRecord
  include ExcludePersistingAttributesConcern
  exclude_attributes_from_persisting :categorized_origin_category_id
end