Hi,

I have a few models not using a Serial id as primary key, instead
using a unique string related to the domain of the objects.

When using them with rails3 (using rails3_datamapper) I run into
problems with things like content_tag_for who seem to assume that all
objects have an id property.

I wanted to ask if anyone else has come across this before and if they
have any tips on good ways to deal with it?

I am thinking that I could add something like this to keep rails
happy:
property :id, Serial, :key => false

Haven't tried it yet, thought I'd check if there were any good
techniques I could reuse before getting into it.

Thanks.

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