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2012 Jul 20
8
sti_object.becomes(Parent) unexpectedly mutating the receiver
I ran into an interesting issue today with ActiveRecord''s becomes method
and discovered that it is mutating the receiver without me knowing it.
The API docs<http://api.rubyonrails.org/classes/ActiveRecord/Persistence.html#method-i-becomes>say
"The new instance will share a link to the same attributes as the original
> class. So any change to the attributes in either