diff options
Diffstat (limited to 'activerecord/lib/active_record/associations')
3 files changed, 18 insertions, 13 deletions
diff --git a/activerecord/lib/active_record/associations/alias_tracker.rb b/activerecord/lib/active_record/associations/alias_tracker.rb index 358cdabc7f..a8d8ee268a 100644 --- a/activerecord/lib/active_record/associations/alias_tracker.rb +++ b/activerecord/lib/active_record/associations/alias_tracker.rb @@ -30,6 +30,8 @@ module ActiveRecord ).size elsif join.respond_to? :left join.left.table_name == name ? 1 : 0 + elsif join.is_a?(Hash) + join[name] else # this branch is reached by two tests: # @@ -73,10 +75,7 @@ module ActiveRecord end end - # TODO Change this to private once we've dropped Ruby 2.2 support. - # Workaround for Ruby 2.2 "private attribute?" warning. - protected - attr_reader :aliases + attr_reader :aliases private diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb index b70b680885..df4bf07999 100644 --- a/activerecord/lib/active_record/associations/join_dependency.rb +++ b/activerecord/lib/active_record/associations/join_dependency.rb @@ -43,8 +43,6 @@ module ActiveRecord Column = Struct.new(:name, :alias) end - attr_reader :alias_tracker, :base_klass, :join_root - def self.make_tree(associations) hash = {} walk_tree associations, hash @@ -158,6 +156,9 @@ module ActiveRecord parents.values end + protected + attr_reader :alias_tracker, :base_klass, :join_root + private def make_constraints(parent, child, tables, join_type) @@ -224,7 +225,7 @@ module ActiveRecord raise EagerLoadPolymorphicError.new(reflection) end - JoinAssociation.new reflection, build(right, reflection.klass) + JoinAssociation.new(reflection, build(right, reflection.klass), alias_tracker) end.compact end diff --git a/activerecord/lib/active_record/associations/join_dependency/join_association.rb b/activerecord/lib/active_record/associations/join_dependency/join_association.rb index a526468bf6..a007d0cf5f 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_association.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_association.rb @@ -11,11 +11,12 @@ module ActiveRecord attr_accessor :tables - def initialize(reflection, children) + def initialize(reflection, children, alias_tracker) super(reflection.klass, children) - @reflection = reflection - @tables = nil + @alias_tracker = alias_tracker + @reflection = reflection + @tables = nil end def match?(other) @@ -38,11 +39,12 @@ module ActiveRecord joins << table.create_join(table, table.create_on(constraint), join_type) join_scope = reflection.join_scope(table, foreign_klass) + arel = join_scope.arel(alias_tracker.aliases) - if join_scope.arel.constraints.any? - joins.concat join_scope.arel.join_sources + if arel.constraints.any? + joins.concat arel.join_sources right = joins.last.right - right.expr = right.expr.and(join_scope.arel.constraints) + right.expr = right.expr.and(arel.constraints) end # The current table in this iteration becomes the foreign table in the next @@ -55,6 +57,9 @@ module ActiveRecord def table tables.first end + + protected + attr_reader :alias_tracker end end end |