/usr/lib/ruby/vendor_ruby/active_record/relation/delegation.rb is in ruby-activerecord-3.2 3.2.16-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | require 'active_support/core_ext/module/delegation'
module ActiveRecord
module Delegation
# Set up common delegations for performance (avoids method_missing)
delegate :to_xml, :to_yaml, :length, :collect, :map, :each, :all?, :include?, :to_ary, :to => :to_a
delegate :table_name, :quoted_table_name, :primary_key, :quoted_primary_key,
:connection, :columns_hash, :auto_explain_threshold_in_seconds, :to => :klass
def self.delegate_to_scoped_klass(method)
if method.to_s =~ /\A[a-zA-Z_]\w*[!?]?\z/
module_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{method}(*args, &block)
scoping { @klass.#{method}(*args, &block) }
end
RUBY
else
module_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{method}(*args, &block)
scoping { @klass.send(#{method.inspect}, *args, &block) }
end
RUBY
end
end
def respond_to?(method, include_private = false)
super || Array.method_defined?(method) ||
@klass.respond_to?(method, include_private) ||
arel.respond_to?(method, include_private)
end
protected
def method_missing(method, *args, &block)
if @klass.respond_to?(method)
::ActiveRecord::Delegation.delegate_to_scoped_klass(method)
scoping { @klass.send(method, *args, &block) }
elsif Array.method_defined?(method)
::ActiveRecord::Delegation.delegate method, :to => :to_a
to_a.send(method, *args, &block)
elsif arel.respond_to?(method)
::ActiveRecord::Delegation.delegate method, :to => :arel
arel.send(method, *args, &block)
else
super
end
end
end
end
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