On Aug 25, 5:05 pm, Aman Gupta <themastermi...@gmail.com> wrote:
> after_update hooks are only invoked when you use Model#update, not
> Dataset#update. There's no way to know which model instances were affected
> by a dataset update.
Aman is correct. If you want the after_update hooks run, you need to
do:
Post.filter(:id => parent_id).all do |p|
p.update(:comment_count => p.comment_count+1)
end
Note that that will be a lot slower than the dataset way for large
datasets.
Jeremy
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