diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/preloader/through_association.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations/preloader/through_association.rb | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/activerecord/lib/active_record/associations/preloader/through_association.rb b/activerecord/lib/active_record/associations/preloader/through_association.rb index c4b50ab306..2c625cec04 100644 --- a/activerecord/lib/active_record/associations/preloader/through_association.rb +++ b/activerecord/lib/active_record/associations/preloader/through_association.rb @@ -27,35 +27,34 @@ module ActiveRecord def through_records_by_owner Preloader.new(owners, through_reflection.name, through_scope).run - Hash[owners.map do |owner| - through_records = Array.wrap(owner.send(through_reflection.name)) + should_reset = (through_scope != through_reflection.klass.unscoped) || + (reflection.options[:source_type] && through_reflection.collection?) - # Dont cache the association - we would only be caching a subset - if (through_scope != through_reflection.klass.unscoped) || - (reflection.options[:source_type] && through_reflection.collection?) - owner.association(through_reflection.name).reset - end + owners.each_with_object({}) do |owner, h| + association = owner.association through_reflection.name + h[owner] = Array(association.reader) - [owner, through_records] - end] + # Dont cache the association - we would only be caching a subset + association.reset if should_reset + end end def through_scope - through_scope = through_reflection.klass.unscoped + scope = through_reflection.klass.unscoped if options[:source_type] - through_scope.where! reflection.foreign_type => options[:source_type] + scope.where! reflection.foreign_type => options[:source_type] else unless reflection_scope.where_values.empty? - through_scope.includes_values = Array(reflection_scope.values[:includes] || options[:source]) - through_scope.where_values = reflection_scope.values[:where] + scope.includes_values = Array(reflection_scope.values[:includes] || options[:source]) + scope.where_values = reflection_scope.values[:where] end - through_scope.references! reflection_scope.values[:references] - through_scope.order! reflection_scope.values[:order] if through_scope.eager_loading? + scope.references! reflection_scope.values[:references] + scope.order! reflection_scope.values[:order] if scope.eager_loading? end - through_scope + scope end end end |