table('promotion_contract_units') ->addColumn('promotion_id', 'integer', ['signed' => false, 'null' => false]) ->addColumn('contract_id', 'integer', ['signed' => false, 'null' => false]) ->addColumn('unit_id', 'integer', ['signed' => false, 'null' => false]) ->addForeignKey('promotion_id', 'promotions', 'id', ['delete' => 'cascade', 'update' => 'cascade']) ->addForeignKey('contract_id', 'broker_contracts', 'id', ['delete' => 'cascade', 'update' => 'cascade']) ->addForeignKey('unit_id', 'unidad', 'id', ['delete' => 'cascade', 'update' => 'cascade']) ->create(); } }