- class AddThumbnailColumnsToMediaAttachments < ActiveRecord::Migration[5.2]
- def up
- add_attachment :media_attachments, :thumbnail
- add_column :media_attachments, :thumbnail_remote_url, :string
- end
-
- def down
- remove_attachment :media_attachments, :thumbnail
- remove_column :media_attachments, :thumbnail_remote_url
- end
- end
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