def change_column(column_name, type, **options)
  name = column_name.to_s
  @columns_hash[name] = nil
  column(name, type, **options)
end

def integer_like_primary_key_type(type, options)
  :primary_key
end

def new_column_definition(name, type, **options) # :nodoc:
  case type
  when :virtual
    type = options[:type]
  end
  super
end

def references(*args, **options)
  super(*args, type: :integer, **options)
end

def valid_column_definition_options
  super + [:as, :type, :stored]
end