# frozen_string_literal: true

class CreateUploadReferences < ActiveRecord::Migration[6.1]
  def change
    create_table :upload_references do |t|
      t.references :upload, null: false
      t.references :target, polymorphic: true, null: false
      t.timestamps
    end

    add_index :upload_references, [:upload_id, :target_type, :target_id], unique: true, name: 'index_upload_references_on_upload_and_target'
  end
end