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-rw-r--r--activerecord/lib/active_record/associations/alias_tracker.rb7
-rw-r--r--activerecord/lib/active_record/associations/association.rb18
-rw-r--r--activerecord/lib/active_record/associations/association_scope.rb2
-rw-r--r--activerecord/lib/active_record/associations/collection_association.rb3
-rw-r--r--activerecord/lib/active_record/associations/collection_proxy.rb33
-rw-r--r--activerecord/lib/active_record/associations/join_dependency.rb29
-rw-r--r--activerecord/lib/active_record/associations/join_dependency/join_part.rb4
-rw-r--r--activerecord/lib/active_record/associations/preloader/association.rb7
-rw-r--r--activerecord/lib/active_record/associations/preloader/belongs_to.rb2
-rw-r--r--activerecord/lib/active_record/associations/preloader/through_association.rb2
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