Collection#last does behave correctly when [:id.asc] order is supplied
Reported by Christian Hoareau | November 30th, 2009 @ 03:17 AM | in 0.10.2
Read: Collection#last does NOT behave correctly when [:id.asc] order is supplied
Create a dummy model
class Foo
include DataMapper::Resource
property :id, Serial
property :name, String
end
Create dummy records
Foo.new(:name => 'alice').save; Foo.new(:name => 'bob').save
Observe the incorrect behavior
The following expression returns false as
expected:
Foo.all(:order => [:name.asc]).last == Foo.all(:order => [:name.desc]).last # => false
But the following expression returns true;
[:id.asc] is ignored:
Foo.all(:order => [:id.asc]).last == Foo.all(:order => [:id.desc]).last # => true
Comments and changes to this ticket
-
Dan Kubb (dkubb) November 30th, 2009 @ 01:44 PM
- Assigned user set to “Dan Kubb (dkubb)”
- State changed from “new” to “accepted”
- Milestone set to “0.10.2”
-
Dan Kubb (dkubb) November 30th, 2009 @ 02:09 PM
- State changed from “accepted” to “resolved”
- Tag cleared.
@Christian: This appears to be resolved with edge dm-core. Can you try installing edge dm-core using the instructions linked to from here and let me know if it resolves your problem? http://bit.ly/8p4APZ
I've also attached a test script with the output I get when running it locally.
-
Christian Hoareau November 30th, 2009 @ 11:20 PM
@Dan: Latest dm-core does resolve the problem. Thank you!
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Christian Hoareau
Dan Kubb (dkubb)