aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/lib
diff options
context:
space:
mode:
Diffstat (limited to 'activerecord/lib')
-rw-r--r--activerecord/lib/active_record/associations/collection_association.rb6
1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb
index 671c4c56df..d61d105544 100644
--- a/activerecord/lib/active_record/associations/collection_association.rb
+++ b/activerecord/lib/active_record/associations/collection_association.rb
@@ -45,6 +45,8 @@ module ActiveRecord
def ids_reader
if loaded?
target.pluck(reflection.association_primary_key)
+ elsif !target.empty?
+ load_target.pluck(reflection.association_primary_key)
else
@association_ids ||= scope.pluck(reflection.association_primary_key)
end
@@ -212,6 +214,8 @@ module ActiveRecord
def size
if !find_target? || loaded?
target.size
+ elsif @association_ids
+ @association_ids.size
elsif !association_scope.group_values.empty?
load_target.size
elsif !association_scope.distinct_value && !target.empty?
@@ -231,7 +235,7 @@ module ActiveRecord
# loaded and you are going to fetch the records anyway it is better to
# check <tt>collection.length.zero?</tt>.
def empty?
- if loaded?
+ if loaded? || @association_ids
size.zero?
else
target.empty? && !scope.exists?