optimizations when doing pluck / calculations

sorbet/rbi/shims/arel.rbi

@@ -11,6 +11,12 @@ class Arel::Attributes::Attribute
   end
 end
 
+class ActiveRecord::Relation
+  sig { returns(T::Hash[Symbol, T.untyped]) }
+  def values
+  end
+end
+
 module ActiveRecord::QueryMethods
   sig { returns(ActiveRecord::Relation::WhereClause) }
   def where_clause