gistfile1.txt

# old rails
Model.find(:all, conditions: [...], order: "...")

default_scope
named_scope

# new rails
Model.where(..).order(..).where(..)

##
default_scope :conditions => "a=b" # default_scope lambda { where("a=b") }

class Model
  # self == Model
  default_scope lambda { where("a=b") }
  # default_scope where("a=b")  # =>
  # => default_scope <Relation:xyz>
end