```ruby
class AddStatusToRacers < ActiveRecord::Migration
  def self.up
    return if ASSOCIATION.short_name == "MBRA"

    add_column :racers, :status, :string
  end

  def self.down
    remove_column :racers, :status
  end
end
```

Fix migration for WSBA (already deployed and ran People migrations)
user
```ruby
class AddStatusToRacers < ActiveRecord::Migration
  def self.up
    case ASSOCIATION.short_name
    when "MBRA"
      return
    when "WSBA"
      add_column :people, :status, :string
    else
      add_column :racers, :status, :string
    end
  end

  def self.down
    remove_column(:people, :status) rescue nil
    remove_column(:racers, :status) rescue nil
  end
end
```
assistant