db/migrate/20170305203726_add_owner_id_foreign_key.rb


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class AddOwnerIdForeignKey < ActiveRecord::Migration
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def change
    add_concurrent_foreign_key :ci_triggers, :users, column: :owner_id, on_delete: :cascade
  end
end