DataMapper::Collection#load gets broken when using STI
Reported by Piotr Solnica (solnic) | May 22nd, 2008 @ 10:36 AM
Lets say we have two very basic models:
class Animal
include DataMapper::Resource
property :id, Integer, :serial => true
property :type, Discriminator
property :name, String
end
class Zebra < Animal; end
Now we can create a zebra:
irb(main):009:0> Zebra.create :name => 'Marty'
=> #
Now we want to find it:
irb(main):010:0> Zebra.first :name => 'Marty'
NoMethodError: undefined method `allocate' for Zebra
A simple fix would be to use DataMapper::Inflection.constantize in DataMapper::Collection#load method, but I've got a feeling this would be more like a workaround then a real fix.
Comments and changes to this ticket
-
Sindre Aarsaether May 25th, 2008 @ 08:51 AM
- Assigned user changed from “Sam Smoot” to “Sindre Aarsaether”
-
Sindre Aarsaether May 25th, 2008 @ 09:27 AM
- State changed from “new” to “hold”
As far as I can see, this only happens with Animal / Zebra names. This has to something to do with other Animal classes in specs.
I've made a spec with other classnames that do pass.
If you can make an isolated spec that fails as above, please attach to this ticket, and I'll reopen it :-)
Spec can be found here
-
Piotr Solnica (solnic) May 28th, 2008 @ 03:15 PM
Hey, after pulling latest DO this bug is gone...but BTW, I was able to reproduce it only in a merb application...very weird stuff!
-
Sindre Aarsaether May 25th, 2008 @ 02:18 PM
- State changed from “hold” to “invalid”
-
Bernerd Schaefer June 10th, 2008 @ 11:15 AM
- no changes were found...
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Piotr Solnica (solnic)
Sindre Aarsaether