diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/join_dependency.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations/join_dependency.rb | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb index d3ceecb090..28e081c03c 100644 --- a/activerecord/lib/active_record/associations/join_dependency.rb +++ b/activerecord/lib/active_record/associations/join_dependency.rb @@ -7,6 +7,27 @@ module ActiveRecord attr_reader :join_parts, :reflections, :alias_tracker, :base_klass + # base is the base class on which operation is taking place. + # associations is the list of associations which are joined using hash, symbol or array. + # joins is the list of all string join commnads and arel nodes. + # + # Example : + # + # class Physician < ActiveRecord::Base + # has_many :appointments + # has_many :patients, through: :appointments + # end + # + # If I execute `@physician.patients.to_a` then + # base #=> Physician + # associations #=> [] + # joins #=> [#<Arel::Nodes::InnerJoin: ...] + # + # However if I execute `Physician.joins(:appointments).to_a` then + # base #=> Physician + # associations #=> [:appointments] + # joins #=> [] + # def initialize(base, associations, joins) @base_klass = base @table_joins = joins @@ -58,6 +79,8 @@ module ActiveRecord records end + protected + def remove_duplicate_results!(base, records, associations) case associations when Symbol, String @@ -88,8 +111,6 @@ module ActiveRecord end end - protected - def cache_joined_association(association) associations = [] parent = association.parent |