diff options
Diffstat (limited to 'activerecord/lib/active_record/relation/calculations.rb')
| -rw-r--r-- | activerecord/lib/active_record/relation/calculations.rb | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index cb0b06cfdc..decd60c87f 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -131,7 +131,14 @@ module ActiveRecord def calculate(operation, column_name) if has_include?(column_name) relation = apply_join_dependency - relation.distinct! if operation.to_s.downcase == "count" + + if operation.to_s.downcase == "count" && !distinct_value + relation.distinct! + # PostgreSQL: ORDER BY expressions must appear in SELECT list when using DISTINCT + if (column_name == :all || column_name.nil?) && select_values.empty? + relation.order_values = [] + end + end relation.calculate(operation, column_name) else |