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-rw-r--r--activerecord/lib/active_record/associations/collection_proxy.rb37
1 files changed, 24 insertions, 13 deletions
diff --git a/activerecord/lib/active_record/associations/collection_proxy.rb b/activerecord/lib/active_record/associations/collection_proxy.rb
index 0d84805b4d..55bf2e0ff0 100644
--- a/activerecord/lib/active_record/associations/collection_proxy.rb
+++ b/activerecord/lib/active_record/associations/collection_proxy.rb
@@ -28,12 +28,9 @@ module ActiveRecord
# is computed directly through SQL and does not trigger by itself the
# instantiation of the actual post records.
class CollectionProxy < Relation
- delegate :exists?, :update_all, :arel, to: :scope
-
def initialize(klass, association) #:nodoc:
@association = association
super klass, klass.arel_table, klass.predicate_builder
- merge! association.scope(nullify: false)
end
def target
@@ -956,19 +953,10 @@ module ActiveRecord
@association
end
- # We don't want this object to be put on the scoping stack, because
- # that could create an infinite loop where we call an @association
- # method, which gets the current scope, which is this object, which
- # delegates to @association, and so on.
- def scoping
- @association.scope.scoping { yield }
- end
-
# Returns a <tt>Relation</tt> object for the records in this association
def scope
- @association.scope
+ @scope ||= @association.scope
end
- alias spawn scope
# Equivalent to <tt>Array#==</tt>. Returns +true+ if the two arrays
# contain the same number of elements and if each element is equal
@@ -1100,6 +1088,7 @@ 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
end
@@ -1121,11 +1110,21 @@ 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
self
end
+ delegate_methods = [
+ QueryMethods,
+ SpawnMethods,
+ ].flat_map { |klass|
+ klass.public_instance_methods(false)
+ } - self.public_instance_methods(false) + [:scoping]
+
+ delegate(*delegate_methods, to: :scope)
+
private
def find_nth_with_limit(index, limit)
@@ -1149,6 +1148,18 @@ module ActiveRecord
def exec_queries
load_target
end
+
+ def respond_to_missing?(method, _)
+ scope.respond_to?(method) || super
+ end
+
+ def method_missing(method, *args, &block)
+ if scope.respond_to?(method)
+ scope.public_send(method, *args, &block)
+ else
+ super
+ end
+ end
end
end
end