@notification = Post.where(:noti_recipient => user.id, :noti_read =>
'no').order(:datetimenumber).last
This looks innocent enough, fetching the last row of a query.
But watch what happens when I try to use foreign keys in my template.
#{@notification.user_id.username}
undefined method `username' for 2:Fixnum
However #{@notification.user_id} works fine.
What is going on?
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