# frozen_string_literal: true

# Override the method to use Set instead of Array:
#
# https://github.com/rails/rails/blob/v7.1.5.1/activemodel/lib/active_model/attribute_methods.rb#L398
#
# Otherwise, the background migrations are very slow.
# Explanation: https://gitlab.com/gitlab-org/gitlab/-/issues/495067#note_2260634049
module ActiveModel
  module AttributeMethods
    module ClassMethods
      def aliases_by_attribute_name
        @aliases_by_attribute_name ||= Hash.new { |h, k| h[k] = Set.new }
      end
    end
  end
end