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class CreateSharedDrafts < ActiveRecord::Migration[5.1]
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def change
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create_table :shared_drafts, id: false do |t|
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t.integer :topic_id, null: false
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t.integer :category_id, null: false
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t.timestamps
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end
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add_index :shared_drafts, :topic_id, unique: true
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end
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end
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