db/migrate/20140729145339_migrate_project_tags.rb


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class MigrateProjectTags < ActiveRecord::Migration[4.2]
  def up
    ActsAsTaggableOn::Tagging.where(taggable_type: 'Project', context: 'labels').update_all(context: 'tags')
  end

  def down
    ActsAsTaggableOn::Tagging.where(taggable_type: 'Project', context: 'tags').update_all(context: 'labels')
  end
end