Hey,
i got into trouble with datamapper recently when iterating over a list
that contains inherited resources. Can anyone please confirm this as a
bug or give me a hint what I am doing wrong? I expected the following
code to return all 5 "folders" which can be confirmed by executing
recursive(f).
But instead after I saved and queried again, I only get 3 folders back
( when executing recursive(d) ).
Regards,
Sebastian
require 'rubygems'
require 'dm-core'
DataMapper.setup(:default, { :adapter => "in_memory" })
class Element
include DataMapper::Resource
property :id, Serial
property :name, String
property :classtype, Discriminator
belongs_to :folder
end
class Folder < Element
has n, :elements
end
f = Folder.new(:name =>"folder1", :elements =>[
Folder.new
(:name=>"folder2", :elements => []),
Folder.new
(:name=>"folder3", :elements => [
Folder.new(:name=>"folder4", :elements => []),
Folder.new(:name=>"folder5", :elements => [])
])
])
f.save
def recursive (f)
p f.name
f.elements.each do |e|
recursive e
end
end
d=Folder.first(:name =>"folder1")
recursive(d)
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