13 lines
372 B
Ruby
13 lines
372 B
Ruby
class CreateLinkedUsers < ActiveRecord::Migration[5.2]
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def change
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create_table :linked_users do |t|
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t.references :user, foreign_key: { on_delete: :cascade }
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t.references :target_user, foreign_key: { to_table: 'users', on_delete: :cascade }
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t.timestamps
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end
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add_index :linked_users , [:user_id, :target_user_id], :unique => true
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end
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end
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