質問編集履歴
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test
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test
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```ここに言語を入力
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class CreateCoMemberImages < ActiveRecord::Migration
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def change
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create_table :co_member_images do |t|
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t.references :co_member, null: false
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t.binary :data
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t.string :content_type
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t.timestamps
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end
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add_index :co_member_images, :co_member_id
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end
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end
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```
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[edit.html.erb]
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