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require 'active_record/attribute'
module ActiveRecord
class Attribute # :nodoc:
class UserProvidedDefault < FromUser
def initialize(name, value, type, database_default)
super(name, value, type)
@database_default = database_default
end
def type_cast(value)
if value.is_a?(Proc)
super(value.call)
else
super
end
end
def changed_from?(old_value)
super || changed_from?(database_default.value)
end
def with_type(type)
self.class.new(name, value_before_type_cast, type, database_default)
end
protected
attr_reader :database_default
end
end
end
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