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class CreateFollows < ActiveRecord::Migration[4.2]
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def change
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create_table :follows do |t|
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t.integer :account_id, null: false
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t.integer :target_account_id, null: false
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t.timestamps null: false
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end
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add_index :follows, [:account_id, :target_account_id], unique: true
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end
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end
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