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?
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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