diff options
Diffstat (limited to 'activerecord/lib/active_record/associations')
10 files changed, 38 insertions, 69 deletions
diff --git a/activerecord/lib/active_record/associations/alias_tracker.rb b/activerecord/lib/active_record/associations/alias_tracker.rb index 3963008a76..4a5c821607 100644 --- a/activerecord/lib/active_record/associations/alias_tracker.rb +++ b/activerecord/lib/active_record/associations/alias_tracker.rb @@ -4,8 +4,6 @@ module ActiveRecord module Associations # Keeps track of table aliases for ActiveRecord::Associations::JoinDependency class AliasTracker # :nodoc: - attr_reader :aliases - def self.create(connection, initial_table, type_caster) aliases = Hash.new(0) aliases[initial_table] = 1 @@ -80,6 +78,11 @@ 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 + private def truncate(name) diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb index 1cb2b2d7c6..ee2e79889f 100644 --- a/activerecord/lib/active_record/associations/association.rb +++ b/activerecord/lib/active_record/associations/association.rb @@ -133,6 +133,16 @@ module ActiveRecord AssociationRelation.create(klass, klass.arel_table, klass.predicate_builder, self).merge!(klass.all) end + def extensions + extensions = klass.default_extensions | reflection.extensions + + if scope = reflection.scope + extensions |= klass.unscoped.instance_exec(owner, &scope).extensions + end + + extensions + end + # Loads the \target if needed and returns it. # # This method is abstract in the sense that it relies on +find_target+, @@ -152,14 +162,6 @@ module ActiveRecord reset end - def interpolate(sql, record = nil) - if sql.respond_to?(:to_proc) - owner.instance_exec(record, &sql) - else - sql - end - end - # We can't dump @reflection since it contains the scope proc def marshal_dump ivars = (instance_variables - [:@reflection]).map { |name| [name, instance_variable_get(name)] } diff --git a/activerecord/lib/active_record/associations/association_scope.rb b/activerecord/lib/active_record/associations/association_scope.rb index 120d75416c..1593b94f0c 100644 --- a/activerecord/lib/active_record/associations/association_scope.rb +++ b/activerecord/lib/active_record/associations/association_scope.rb @@ -24,7 +24,7 @@ module ActiveRecord alias_tracker = AliasTracker.create connection, association.klass.table_name, klass.type_caster chain_head, chain_tail = get_chain(reflection, association, alias_tracker) - scope.extending! Array(reflection.options[:extend]) + scope.extending! reflection.extensions add_constraints(scope, owner, reflection, chain_head, chain_tail) end diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 62c944fce3..edc53e2517 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -30,7 +30,8 @@ module ActiveRecord reload end - CollectionProxy.create(klass, self) + @proxy ||= CollectionProxy.create(klass, self) + @proxy.reset_scope end # Implements the writer method, e.g. foo.items= for Foo.has_many :items diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb index 74a4d515c2..8cdb508c43 100644 --- a/activerecord/lib/active_record/associations/collection_proxy.rb +++ b/activerecord/lib/active_record/associations/collection_proxy.rb @@ -31,6 +31,9 @@ module ActiveRecord def initialize(klass, association) #:nodoc: @association = association super klass, klass.arel_table, klass.predicate_builder + + extensions = association.extensions + extend(*extensions) if extensions.any? end def target @@ -1084,9 +1087,8 @@ module ActiveRecord # person.pets(true) # fetches pets from the database # # => [#<Pet id: 1, name: "Snoop", group: "dogs", person_id: 1>] def reload - @scope = nil proxy_association.reload - self + reset_scope end # Unloads the association. Returns +self+. @@ -1106,9 +1108,13 @@ module ActiveRecord # person.pets # fetches pets from the database # # => [#<Pet id: 1, name: "Snoop", group: "dogs", person_id: 1>] def reset - @scope = nil proxy_association.reset proxy_association.reset_scope + reset_scope + end + + def reset_scope # :nodoc: + @scope = nil self end @@ -1121,19 +1127,6 @@ module ActiveRecord delegate(*delegate_methods, to: :scope) - module DelegateExtending # :nodoc: - private - def method_missing(method, *args, &block) - extending_values = association_scope.extending_values - if extending_values.any? && (extending_values - self.class.included_modules).any? - self.class.include(*extending_values) - public_send(method, *args, &block) - else - super - end - end - end - private def find_nth_with_limit(index, limit) @@ -1154,17 +1147,9 @@ module ActiveRecord @association.find_from_target? end - def association_scope - @association.association_scope - end - def exec_queries load_target end - - def respond_to_missing?(method, _) - association_scope.respond_to?(method) || super - end end end end diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb index 8995b1e352..643226267c 100644 --- a/activerecord/lib/active_record/associations/join_dependency.rb +++ b/activerecord/lib/active_record/associations/join_dependency.rb @@ -106,12 +106,7 @@ module ActiveRecord def join_constraints(outer_joins, join_type) joins = join_root.children.flat_map { |child| - - if join_type == Arel::Nodes::OuterJoin - make_left_outer_joins join_root, child - else - make_inner_joins join_root, child - end + make_join_constraints(join_root, child, join_type) } joins.concat outer_joins.flat_map { |oj| @@ -175,27 +170,15 @@ module ActiveRecord end def make_outer_joins(parent, child) - tables = table_aliases_for(parent, child) - join_type = Arel::Nodes::OuterJoin - info = make_constraints parent, child, tables, join_type - - [info] + child.children.flat_map { |c| make_outer_joins(child, c) } - end - - def make_left_outer_joins(parent, child) - tables = child.tables join_type = Arel::Nodes::OuterJoin - info = make_constraints parent, child, tables, join_type - - [info] + child.children.flat_map { |c| make_left_outer_joins(child, c) } + make_join_constraints(parent, child, join_type, true) end - def make_inner_joins(parent, child) - tables = child.tables - join_type = Arel::Nodes::InnerJoin - info = make_constraints parent, child, tables, join_type + def make_join_constraints(parent, child, join_type, aliasing = false) + tables = aliasing ? table_aliases_for(parent, child) : child.tables + info = make_constraints(parent, child, tables, join_type) - [info] + child.children.flat_map { |c| make_inner_joins(child, c) } + [info] + child.children.flat_map { |c| make_join_constraints(child, c, join_type, aliasing) } end def table_aliases_for(parent, node) diff --git a/activerecord/lib/active_record/associations/join_dependency/join_part.rb b/activerecord/lib/active_record/associations/join_dependency/join_part.rb index 61cec5403a..80c9fde5d1 100644 --- a/activerecord/lib/active_record/associations/join_dependency/join_part.rb +++ b/activerecord/lib/active_record/associations/join_dependency/join_part.rb @@ -22,10 +22,6 @@ module ActiveRecord @children = children end - def name - reflection.name - end - def match?(other) self.class == other.class end diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb index 4072d19380..63ef3f2d8c 100644 --- a/activerecord/lib/active_record/associations/preloader/association.rb +++ b/activerecord/lib/active_record/associations/preloader/association.rb @@ -51,11 +51,10 @@ module ActiveRecord raise NotImplementedError end - def options - reflection.options - end - private + def options + reflection.options + end def associated_records_by_owner(preloader) records = load_records do |record| diff --git a/activerecord/lib/active_record/associations/preloader/belongs_to.rb b/activerecord/lib/active_record/associations/preloader/belongs_to.rb index 38e231826c..c20145770f 100644 --- a/activerecord/lib/active_record/associations/preloader/belongs_to.rb +++ b/activerecord/lib/active_record/associations/preloader/belongs_to.rb @@ -3,7 +3,7 @@ module ActiveRecord class Preloader class BelongsTo < SingularAssociation #:nodoc: def association_key_name - reflection.options[:primary_key] || klass && klass.primary_key + options[:primary_key] || klass && klass.primary_key end def owner_key_name diff --git a/activerecord/lib/active_record/associations/preloader/through_association.rb b/activerecord/lib/active_record/associations/preloader/through_association.rb index d53d3f777b..8b954138cd 100644 --- a/activerecord/lib/active_record/associations/preloader/through_association.rb +++ b/activerecord/lib/active_record/associations/preloader/through_association.rb @@ -65,7 +65,7 @@ module ActiveRecord def reset_association(owners, association_name) should_reset = (through_scope != through_reflection.klass.unscoped) || - (reflection.options[:source_type] && through_reflection.collection?) + (options[:source_type] && through_reflection.collection?) # Don't cache the association - we would only be caching a subset if should_reset |