Pluck on NullRelation accepts a list of columns

`pluck` was updated to accept a list of columns, but the `NullRelation`
was never updated to match that signature. As a result, calling `pluck`
on a `NullRelation` results in an `ArgumentError`.

1 files changed, 1 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/null_relation.rb b/activerecord/lib/active_record/null_relation.rb
index 1f3d377e53..080b20134d 100644
--- a/activerecord/lib/active_record/null_relation.rb
+++ b/activerecord/lib/active_record/null_relation.rb
@@ -6,7 +6,7 @@ module ActiveRecord
       @records = []
     end
 
-    def pluck(_column_name)
+    def pluck(*column_names)
       []
     end