diff options
Diffstat (limited to 'activerecord/lib/active_record/relation/calculations.rb')
-rw-r--r-- | activerecord/lib/active_record/relation/calculations.rb | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index 402b317d9c..0f6015fa93 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -71,6 +71,7 @@ module ActiveRecord # # Person.sum(:age) # => 4562 def sum(*args) + return super if block_given? calculate(:sum, *args) end @@ -138,7 +139,7 @@ module ActiveRecord # # SELECT people.id, people.name FROM people # # => [[1, 'David'], [2, 'Jeremy'], [3, 'Jose']] # - # Person.pluck('DISTINCT role') + # Person.distinct.pluck(:role) # # SELECT DISTINCT role FROM people # # => ['admin', 'member', 'guest'] # @@ -161,6 +162,10 @@ module ActiveRecord end end + if loaded? && (column_names - @klass.column_names).empty? + return @records.pluck(*column_names) + end + if has_include?(column_names.first) construct_relation_for_association_calculations.pluck(*column_names) else @@ -190,7 +195,8 @@ module ActiveRecord def perform_calculation(operation, column_name) operation = operation.to_s.downcase - # If #count is used with #distinct / #uniq it is considered distinct. (eg. relation.distinct.count) + # If #count is used with #distinct (i.e. `relation.distinct.count`) it is + # considered distinct. distinct = self.distinct_value if operation == "count" |