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Consulta a Base de datos


melli20

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Estoy realizando la siguiente consulta dentro del controlador AdminCustomerController.php y no me devuelve nada.

 

$sql = 'SELECT * FROM `'._DB_PREFIX_.'customer` order by id_customer desc limit 1';


$result = Db::getInstance()->executeS($sql);

 

¿Que puede que este fallando?

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En la medida de lo posible utiliza las funciones propias de Prestashop para las consultas

/**
	 * Return customers list
	 *
	 * @return array Customers
	 */
	public static function getCustomers()
	{
		$sql = 'SELECT `id_customer`, `email`, `firstname`, `lastname`
				FROM `'._DB_PREFIX_.'customer`
				WHERE 1 '.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER).'
				ORDER BY `id_customer` ASC';
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($sql);
	}
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En la medida de lo posible utiliza las funciones propias de Prestashop para las consultas

/**
	 * Return customers list
	 *
	 * @return array Customers
	 */
	public static function getCustomers()
	{
		$sql = 'SELECT `id_customer`, `email`, `firstname`, `lastname`
				FROM `'._DB_PREFIX_.'customer`
				WHERE 1 '.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER).'
				ORDER BY `id_customer` ASC';
		return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($sql);
	}

Pero esta función no hace exactamente lo que yo necesito, ya que el orden me lo da al contrario

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