Question

这是源代码，我需要检测ID（请参阅下面两个查询之间的标记位置）。

$connection = Yii::app()->db;
$transaction=$connection->beginTransaction();
try {

    $q = "INSERT INTO `someTable1` .... ";      
    $connection->createCommand($q)->execute(); // Single Row Inserted

    // HERE!! How to get the last insert ID from query above

    $q = "INSERT INTO `someTable2` ....
          WHERE id = LAST_INSERT_ID_FROM_FIRST_QUERY ";
    $connection->createCommand($q)->execute();

    $transaction->commit();

} catch (Exception $e) {
    // react on exception   
    $trans->rollback();
}

最合适的方法是什么？

Answer 1

$lastInsertID = $connection->getLastInsertID();

Answer 2

你可以尝试两种方式，这里getLastInsertID是方法，而lastInsertID是属性

$lastInsertID = $connection->getLastInsertID();

或

$lastInsertID = $connection->lastInsertID;

了解更多信息http://www.yiiframework.com/doc/api/1.1/CDbConnection

Answer 3

我创建了这个来解决这个问题

public static function getAutoIncrement($table_name)
{
    $q = new Query();
    $res = $q->select("AUTO_INCREMENT")
        ->from('INFORMATION_SCHEMA.TABLES')
        ->where("TABLE_SCHEMA = DATABASE() AND TABLE_NAME = '" . $table_name . "'")
        ->one();
    if ($res)
        return $res["AUTO_INCREMENT"];
    return false;
}

如何使用DAO检测Yii中事务中的最后一个插入ID？

3 个答案: