diff options
Diffstat (limited to 'activerecord/lib/active_record/aggregations.rb')
| -rw-r--r-- | activerecord/lib/active_record/aggregations.rb | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/aggregations.rb b/activerecord/lib/active_record/aggregations.rb index 3ff41ed81b..8bed5bca28 100644 --- a/activerecord/lib/active_record/aggregations.rb +++ b/activerecord/lib/active_record/aggregations.rb @@ -256,15 +256,16 @@ module ActiveRecord def writer_method(name, class_name, mapping, allow_nil, converter) define_method("#{name}=") do |part| klass = class_name.constantize - if part.is_a?(Hash) - raise ArgumentError unless part.size == part.keys.max - part = klass.new(*part.sort.map(&:last)) - end unless part.is_a?(klass) || converter.nil? || part.nil? part = converter.respond_to?(:call) ? converter.call(part) : klass.send(converter, part) end + if part.is_a?(Hash) + raise ArgumentError unless part.size == part.keys.max + part = klass.new(*part.sort.map(&:last)) + end + if part.nil? && allow_nil mapping.each { |key, _| self[key] = nil } @aggregation_cache[name] = nil |