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- class CreateTagFollows < ActiveRecord::Migration[6.1]
- def change
- create_table :tag_follows do |t|
- t.belongs_to :tag, null: false, foreign_key: { on_delete: :cascade }
- t.belongs_to :account, null: false, foreign_key: { on_delete: :cascade }, index: false
- t.timestamps
- end
- add_index :tag_follows, [:account_id, :tag_id], unique: true
- end
- end
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