diff options
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/counter_cache.rb | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/counter_cache.rb b/activerecord/lib/active_record/counter_cache.rb index b7b790322a..71e176a328 100644 --- a/activerecord/lib/active_record/counter_cache.rb +++ b/activerecord/lib/active_record/counter_cache.rb @@ -11,7 +11,7 @@ module ActiveRecord # ==== Parameters # # * +id+ - The id of the object you wish to reset a counter on. - # * +counters+ - One or more association counters to reset + # * +counters+ - One or more association counters to reset. Association name or counter name can be given. # # ==== Examples # @@ -19,9 +19,14 @@ module ActiveRecord # Post.reset_counters(1, :comments) def reset_counters(id, *counters) object = find(id) - counters.each do |association| - has_many_association = reflect_on_association(association.to_sym) - raise ArgumentError, "'#{self.name}' has no association called '#{association}'" unless has_many_association + counters.each do |counter_association| + has_many_association = reflect_on_association(counter_association.to_sym) + unless has_many_association + has_many = reflect_on_all_associations(:has_many) + has_many_association = has_many.find { |association| association.counter_cache_column && association.counter_cache_column.to_sym == counter_association.to_sym } + counter_association = has_many_association.plural_name if has_many_association + end + raise ArgumentError, "'#{self.name}' has no association called '#{counter_association}'" unless has_many_association if has_many_association.is_a? ActiveRecord::Reflection::ThroughReflection has_many_association = has_many_association.through_reflection @@ -34,7 +39,7 @@ module ActiveRecord counter_name = reflection.counter_cache_column stmt = unscoped.where(arel_table[primary_key].eq(object.id)).arel.compile_update({ - arel_table[counter_name] => object.send(association).count + arel_table[counter_name] => object.send(counter_association).count }, primary_key) connection.update stmt end |