Migrate legacy database content into a databse with a new structure.
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README.rdoc

super_migration

Migrate legacy database content into a databse with a new structure.

Example

require 'super_migration'
include SM

SuperMigration.setup do |config|
  # same options as in database.yml
  config.from_database :database => "sm1",
                       :adapter  => "mysql",
                       :host     => "localhost",
                       :username => "root",
                       :password => ""

  config.to_database   :database => "sm2",
                       :adapter  => "mysql",
                       :host     => "localhost",
                       :username => "root",
                       :password => ""
end

SuperMigration.migrate do 
  table :from => :books, :to => :livres do

    field :from => :author, :to => :autheur

    # apply a transformation to dob field
    field :from => :title,  :to => :titre do |title|
      Date.today.to_s + title
    end
  end
end

Note on Patches/Pull Requests

  • Fork the project.

  • Make your feature addition or bug fix.

  • Add tests for it. This is important so I don't break it in a future version unintentionally.

  • Commit, do not mess with rakefile, version, or history. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)

  • Send me a pull request. Bonus points for topic branches.

Copyright

Copyright © 2010 Cristian Prodan. See LICENSE for details.