[Rails] Re: checking arrays if exist efficiently

Soichi Ishida wrote in post #1112146:
> Rails 4.0.0
> Of course, I can loop through all elements like
>
> Info.all.each do | i |
> if i == ... then
> Info.create(... => i)
> end
> end
>
> But it seems inefficient.
>
> Is there better ways or gems that do the job I am looking for?
>
> soichi

Not sure I understand fully your problem.

Maybe use find_in_batches ?
http://api.rubyonrails.org/classes/ActiveRecord/Batches.html

or find_and_create_by_column_name ?
http://api.rubyonrails.org/classes/ActiveRecord/Base.html

--
Posted via http://www.ruby-forum.com/.

--
You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group.
To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe@googlegroups.com.
To post to this group, send email to rubyonrails-talk@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/d3b90fba117222650aa028cc2dbc357f%40ruby-forum.com?hl=en-US.
For more options, visit https://groups.google.com/groups/opt_out.