diff options
-rw-r--r-- | activerecord/lib/active_record/relation/calculations.rb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index 013b878293..fd45bb24dd 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -166,7 +166,7 @@ module ActiveRecord if operation == "count" column_name ||= (select_for_count || :all) - if arel.join_sql =~ /LEFT OUTER/i + unless arel.ast.grep(Arel::Nodes::OuterJoin).empty? distinct = true column_name = @klass.primary_key if column_name == :all end |