default_scope.update(:order => nil) and calling Model.last raises an exception.
Reported by Postmodern | September 11th, 2010 @ 01:28 AM | in 1.1
I tried to disable all ordering on a Model who's primary key is a String. I tried to do this by using default_scope.
class SchemaMigration
include DataMapper::Resource
storage_names[:default] = 'schema_migrations'
default_scope.update(:order => nil)
property :version, String, :key => true
end
When I called SchemaMigration.last, I got this exception:
NoMethodError: undefined method `map!' for nil:NilClass
from /home/hal/.rvm/gems/ruby-1.9.2-p0/gems/dm-core-1.0.2/lib/dm-core/query.rb:327:in `reverse!'
from /home/hal/.rvm/gems/ruby-1.9.2-p0/gems/dm-core-1.0.2/lib/dm-core/model.rb:410:in `last'
Comments and changes to this ticket
-
Martin Gamsjaeger (snusnu) October 29th, 2010 @ 03:37 PM
- State changed from “new” to “confirmed”
- Milestone set to “1.1”
- Assigned user cleared.
- Milestone order changed from “196221” to “0”
Confirmed, reproducible standalone at http://pastie.org/1258851
-
Piotr Solnica (solnic) November 1st, 2010 @ 01:02 PM
Can we finally make default_scope a part of the public API? It's still semipublic and there are known issues (like that one or problems with STI)
-
Piotr Solnica (solnic) November 1st, 2010 @ 04:15 PM
- Assigned user set to “Piotr Solnica (solnic)”
-
Piotr Solnica (solnic) November 4th, 2010 @ 05:17 AM
- State changed from “confirmed” to “not-applicable”
So...since the default_scope is still not a public API this ticket is not-applicable. As a work-around you can simply do default_scope.update(:order => []) and it should work. Once we make default_scope public we will provide proper option validations.
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Dan Kubb (dkubb)
Martin Gamsjaeger (snusnu)
Piotr Solnica (solnic)