aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/lib
diff options
context:
space:
mode:
Diffstat (limited to 'activerecord/lib')
-rw-r--r--activerecord/lib/active_record/relation/predicate_builder.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb
index 03f194c462..9e855209f9 100644
--- a/activerecord/lib/active_record/relation/predicate_builder.rb
+++ b/activerecord/lib/active_record/relation/predicate_builder.rb
@@ -24,7 +24,8 @@ module ActiveRecord
case value
when Array, ActiveRecord::Associations::AssociationCollection, ActiveRecord::NamedScope::Scope
- attribute.in(value.to_a)
+ values = value.to_a
+ values.any? ? attribute.in(values) : attribute.eq(nil)
when Range
# TODO : Arel should handle ranges with excluded end.
if value.exclude_end?