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 12a2c6aec3..63689ed925 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -222,7 +222,7 @@ module ActiveRecord if association key_ids = calculated_data.collect { |row| row[group_alias] } key_records = association.klass.base_class.find(key_ids) - key_records = key_records.inject({}) { |hsh, r| hsh.merge(r.id => r) } + key_records = Hash[key_records.map { |r| [r.id, r] }] end ActiveSupport::OrderedHash[calculated_data.map do |row| |