-1
我遇到來自Yii的奇怪行爲。出於某種原因,如預期該代碼不起作用:CDbCommand返回錯誤結果
$sql = "SELECT id, class_id, lang FROM tbl_top_class WHERE class_name = :string";
$cmd = Yii::app()->db->createCommand($sql);
$data[':string'] = "sad";
$result = $cmd->queryAll($data);
$db = new PDO(...);
$stmt = $db->prepare($sql);
$stmt->execute($data);
$result2 = $stmt->fetchAll();
print_r($result);
echo "<br>";
print_r($result2);
我預計$result
和$result2
是相同的,但事實並非如此。這就是腳本輸出:
Array ([0] => Array ([id] => 1 [class_id] => 0 [lang] => en-us))
Array ()
而這裏的數據庫結構&數據:
--
-- Table structure for table `tbl_top_class`
--
CREATE TABLE `tbl_top_class` (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`lang` varchar(5) NOT NULL,
`class_name` varchar(100) NOT NULL,
`class_id` bigint(20) unsigned NOT NULL,
`description` text,
PRIMARY KEY (`id`),
KEY `lang` (`lang`),
KEY `class_name` (`class_name`),
KEY `class_id` (`class_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
--
-- Dumping data for table `tbl_top_class`
--
INSERT INTO `tbl_top_class` (`id`, `lang`, `class_name`, `class_id`, `description`) VALUES
(1, 'en-us', 'discard', 0, 'Non-classifiable');
兩個連接是完全相同的數據庫和表,用完全相同的憑據。爲什麼我會得到不同的結果?
沒有人知道發生了什麼? – tinybyte
我遇到同樣的問題。但仍然發現會發生什麼。 – Magic