named_scope 和 named_scope + lambda Ruby on Rails 代码语句有什么区别?
named_scope :with_avatar, :conditions => ['avatar IS NOT NULL']
和
named_scope :date_from, lambda { |date| { :conditions => ['created_at >= ?', DateTime.strptime(date, '%d.%m.%Y')] } }
named_scope 和 named_scope + lambda Ruby on Rails 代码语句有什么区别?
named_scope :with_avatar, :conditions => ['avatar IS NOT NULL']
和
named_scope :date_from, lambda { |date| { :conditions => ['created_at >= ?', DateTime.strptime(date, '%d.%m.%Y')] } }