lib/mongoid/criteria/queryable/optional.rb in mongoid-6.0.0.beta vs lib/mongoid/criteria/queryable/optional.rb in mongoid-6.0.0.rc0

@@ -145,11 +145,13 @@
         # @since 1.0.0
         def only(*args)
           args = args.flatten
           option(*args) do |options|
             options.store(
-              :fields, args.inject(options[:fields] || {}){ |sub, field| sub.tap { sub[field] = 1 }}
+              :fields,
+              args.inject(options[:fields] || {}){ |sub, field| sub.tap { sub[field] = 1 }},
+              false
             )
           end
         end
 
         # Adds sorting criterion to the options.
@@ -277,10 +279,12 @@
         # @since 1.0.0
         def without(*args)
           args = args.flatten
           option(*args) do |options|
             options.store(
-              :fields, args.inject(options[:fields] || {}){ |sub, field| sub.tap { sub[field] = 0 }}
+              :fields,
+              args.inject(options[:fields] || {}){ |sub, field| sub.tap { sub[field] = 0 }},
+              false
             )
           end
         end
 
         # Associate a comment with the query.