* @copyright 2019 idnovate.com * @license See above */ function upgrade_module_2_1_14() { //Check if table exists $columnExists = Db::getInstance()->getRow( "SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = '"._DB_NAME_."' AND TABLE_NAME = '"._DB_PREFIX_."quantity_discount_rule_action' AND COLUMN_NAME = 'apply_discount_to_stock';" ); if (!$columnExists) { Db::getInstance()->execute( "ALTER TABLE `"._DB_PREFIX_."quantity_discount_rule_action` ADD `apply_discount_to_stock` tinyint(1) unsigned NOT NULL AFTER `apply_discount_to_regular_price`;" ); } return true; }