#1506 ✓resolved
timmy_tofu

Can only chain up to first time changing default repository.

Reported by timmy_tofu | April 21st, 2011 @ 04:46 PM | in 1.1.1

Assume I have setup properly a :default repository and another called :alt_db.

class A
    include DataMapper::Resource

    def self.default_repository_name
        :alt_db
    end
    property :aid, Integer, :key => true
    # other stuff

    belongs_to :b, :model => 'B', :child_key => [ :bid ]

end

class B
    include DataMapper::Resource

    property :bid, Integer, :key => true
    # other stuff

    belongs_to :c, :model => 'C', :child_key => [ :cid ]

end

class C
    include DataMapper::Resource

    property :cid, Integer, :key => true
    # other stuff
end

Trying to run this generates the following error:

dm-core/model/property.rb:73:in `new': wrong number of arguments (4 for 3) (ArgumentError)

Digging into the DM source from the stack trace:

DataMapper.repository(other_repository_name) do
    properties << klass.new(self, name, options, type)
end

That's where the error is raised. Indeed, in this case klass is a DataMapper Integer property, and it's initialize method only accepts three options (model, name, and an options hash).

This whole block is only executed because I'm using more than one repository.

So, I can only chain as far as B in this case. If, on the other hand, A and B both had the same default_repository (either :default or :alt_db) and C were another by default, then I can chain as far as C. But, attempting to chain further to D will fail, regardless of which repository D uses as it's default.

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