Hey all,
I have a Sinatra/Datamapper application on Heroku. Datamapper doesn't
handle migrations very well, and to the best of my knowledge can't
remove or rename a column without wiping out the entire database.
Anyone have any ideas on how I can do this manually? I tried to run
the raw sql via the console, but when i run
ActiveRecord::Base.connection.execute("select ...")
I get the error message:
ActiveRecord::ConnectionNotEstablished:
ActiveRecord::ConnectionNotEstablished
It seems like Datamapper also now has support to AR style migrations,
but I can' find anything on how to set this up with Sinatra. Since I
haven't been using AR style migrations up until this point, it would
just be easier to be able to to remove and rename the columns
directly.
Any ideas? Thanks.
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