25개 이상의 토픽을 선택하실 수 없습니다.
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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- class AddAttachmentDataToImports < ActiveRecord::Migration[4.2]
- def self.up
- change_table :imports do |t|
- t.attachment :data
- end
- end
-
- def self.down
- remove_attachment :imports, :data
- end
- end
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