class RubyGalleryAddColumnsToAlbumPhotos
Public Class Methods
down()
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# File lib/generators/active_record/templates/migration.rb, line 6 def self.down remove_attachment :album_photos, :photo end
up()
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# File lib/generators/active_record/templates/migration.rb, line 2 def self.up add_attachment :album_photos, :photo end