On 08.02.2012, at 15:05, grentis wrote:
> You can use also after_initialize checking if the counter is already setted
>
> after_initialize :set_counter
>
> def set_counter
> self.counter ||= ModelName.all.count
> end
Imagine 'create' action.
During the period from the instance is initialized:
@user = User.new(params[:user])
to the moment it saved
@user.save
anyone else can create user object(s), so your @user will be saved with
incorrect counter value.
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