kotovalexarian-likes-github/rails--rails
1
0
Fork 0
mirror of https://github.com/rails/rails.git synced 2022-11-09 12:12:34 -05:00
Code Releases Activity

remove klass delegator

Browse source
This commit is contained in:
Aaron Patterson 2014-02-14 13:57:17 -08:00
parent 22a1a5ac8c
commit 40a015f730
1 changed files with 11 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
activerecord/lib/active_record/associations/association_scope.rb
View file

@ -3,21 +3,22 @@ module ActiveRecord
class AssociationScope #:nodoc:
attr_reader :association, :alias_tracker
delegate :klass, :reflection, :to => :association
delegate :reflection, :to => :association
def initialize(association)
@association = association
@alias_tracker = AliasTracker.new klass.connection
@alias_tracker = AliasTracker.new association.klass.connection
end
def scope
klass = association.klass
scope = klass.unscoped
scope.extending! Array(reflection.options[:extend])
owner = association.owner
scope_chain = reflection.scope_chain
chain = reflection.chain
add_constraints(scope, owner, scope_chain, chain)
add_constraints(scope, owner, scope_chain, chain, klass)
end
def join_type
@ -26,10 +27,10 @@ module ActiveRecord
private
def construct_tables(chain)
def construct_tables(chain, klass)
chain.map do |reflection|
alias_tracker.aliased_table_for(
table_name_for(reflection),
table_name_for(reflection, klass),
table_alias_for(reflection, reflection != self.reflection)
)
end
@ -62,15 +63,15 @@ module ActiveRecord
bind_value scope, column, value
end
def add_constraints(scope, owner, scope_chain, chain)
tables = construct_tables(chain)
def add_constraints(scope, owner, scope_chain, chain, assoc_klass)
tables = construct_tables(chain, assoc_klass)
chain.each_with_index do |reflection, i|
table, foreign_table = tables.shift, tables.first
if reflection.source_macro == :belongs_to
if reflection.options[:polymorphic]
key = reflection.association_primary_key(self.klass)
key = reflection.association_primary_key(assoc_klass)
else
key = reflection.association_primary_key
end
@ -103,7 +104,7 @@ module ActiveRecord
end
is_first_chain = i == 0
klass = is_first_chain ? self.klass : reflection.klass
klass = is_first_chain ? assoc_klass : reflection.klass
# Exclude the scope of the association itself, because that
# was already merged in the #scope method.
@ -130,7 +131,7 @@ module ActiveRecord
reflection.name
end
def table_name_for(reflection)
def table_name_for(reflection, klass)
if reflection == self.reflection
# If this is a polymorphic belongs_to, we want to get the klass from the
# association because it depends on the polymorphic_type attribute of