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I'm migrating a sinatra app I have that acts as a backend UI for our DNS database. I've already got the DM configs in the sinatra app but want to migrate it to padrino so I can make it cleaner and easier to read, but also because I want to play around to padrino. If I just generate a new model, can I perform the datamapper mapping in that model, including specifying the db application and get away with doing that instead of using a generator?

What do I need to do to be able to access models on a different database, ideally without damaging that data base (read only)

Schroedinger
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1 Answers1

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Right so you actually can do this I found out with a bit of trial and error. Specify the datamapper database source in the config/boot.rb there's a section labelled Padrino.after_load, you'll want to add in your new DataMapper source here

DataMapper.setup(:myalternatedatasource, "MY_ALTERNATE_DB_URL

Then in your model file you'll want to specify

def self.default_repository_name
    :myalternatedatasource
end

And it'll all work as intended!

Schroedinger
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