PHP、MySQL PDOException 的死锁异常代码?

2021-12-26 00:00:00 deadlock php mysql pdo

使用 PHP PDO MySQL，异常模式.

Using PHP PDO MySQL, exception mode.

是否存在 [MySQL] 死锁的 PDOException 代码?

Does a PDOException code for [MySQL] deadlocks exist?

如果没有，还有其他选择吗?

Is there an alternative if it doesn't?

推荐答案

PDO::errorInfo, PDOException::errorInfo

MySQL 服务器错误代码和消息；错误:1213 SQLSTATE: 40001 (ER_LOCK_DEADLOCK)

/*[...]*/

//error mode is exception
$pdoDBHandle->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

try
{
    /*[...]*/
}
catch(PDOException $exc)
{
    if(
        $exc->errorInfo[0]==40001 /*(ISO/ANSI) Serialization failure, e.g. timeout or deadlock*/;

        && $pdoDBHandle->getAttribute(PDO::ATTR_DRIVER_NAME)=="mysql"
        && $exc->errorInfo[1]==1213  /*(MySQL SQLSTATE) ER_LOCK_DEADLOCK*/
    )
    {
        /*[...]*/
    }
    else
        throw $exc;
}

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