PHP PDO错误消息返回，但回滚不起作用

Question

I'm using this class to handle my pdo connection and database actions, however I can't get the rollback function to work. I create an intentional error at the $pers-query, get the following error:

( ! ) Warning: PDO::query(): SQLSTATE[42S02]: Base table or view not found: 1146 Table 'webbshop.prson' doesn't exist in C:\wamp\www\webbshop\includes\db_con.php on line 21

but the other 2 querys are still executed, added to the database, and not rolled back. How do I do to get it all to work?

I read at another post that you need to use InnoDB so I ran the SHOW ENGINES sql command, and it said that support for InnoDB was default and the comment said: "Supports transactions, row-level locking, and foreign keys"

the PDO connection class:

<?php
   class DB{

private $db_host = "localhost";
private $db_usr = "root";
private $db_pass = "";
private $db_name = "webbshop";
private $db;

function __construct(){
    $this->db = new PDO('mysql:host=' . $this->db_host . ';' 
    .'dbname=' . $this->db_name, $this->db_usr, $this->db_pass);
    $this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
}

function error(){

}   €$€$£

function Trans(){
    $this->db->beginTransaction();
}

function insert($sql){
    $stmt = $this->db->query($sql);
}

function fetch($sql){
    $stmt = $this->db->prepare($sql);
    $stmt->execute();
    return $stmt->fetchAll();
}

function lastInsertID() {
    return $this->db->lastInsertId();
}

function commitTrans(){
    $this->db->commit();
}

function rollback() {
    $this->db->rollBack();
}

function __destruct() {
    $this->db = null;
}
}

And this is the code I use to execute the querys:

<?php
require 'db_con.php';

try {
    $db = new DB();
    $db->Trans();
    $db->insert("INSERT INTO `webbshop`.`user` (`userID`, `nick`, `pass`) VALUES (NULL, '$_POST[nick]', '$_POST[pass]')");
    $nickID = $db->lastInsertID();
    echo $nickID;

    $pers = "INSERT INTO `webbshop`.`prson` (`personID`, `userID`, `fname`, `lname`, `persnr`, `email`) VALUES (NULL, $nickID, '$_POST[firstname]', '$_POST[lastname]', '$_POST[personnr]','$_POST[email]')";
    $addr = "INSERT INTO `webbshop`.`address` (`addressID`, `userID`, `street`, `city`, `zip`) VALUES (NULL, $nickID, '$_POST[address]', '$_POST[city]', '$_POST[zip]')";

    $db->insert($pers);
    $db->insert($addr);

    $db->commitTrans();
} catch (Exception $e) {
    echo 'Caught exception: ',  $e->getMessage(), "</br>";
    $db->rollback();
}

Answer 1

Are you using InnoDB? To use transactions you should use InnoDB or rollback won't work!

EDIT:

try to change PDO::ERRMODE_WARNING to PDO::ERRMODE_EXCEPTION

Answer 2

This problem make me crazy and I want to help u with my solution.The main problem is we call transaction from another class.

The important thing is using InnoDB and setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION)and lastly your connection have to be open singleton function.

My code is:

class PDO_db{ protected static $_conn;

--[ CONNECTION ]--

public function __construct(){
    if(empty(self::$_conn)){
        try{
            self::$_conn = new PDO("mysql:host=".DB_SERVER.";dbname=".DB_NAME, DB_USERNAME, DB_PASSWORD, array(PDO::MYSQL_ATTR_INIT_COMMAND=>"SET NAMES 'UTF8'"));
            self::$_conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
        }catch(PDOException $e){
            die("No Connection :: ".DB_NAME." : ".$e->getMessage());
        }
    }else{
        return self::$_conn;
    }
}

--[ TRANSACTION ]--

public static function Trans(){
    return self::$_conn->beginTransaction();
}

--[ COMMIT ]--

public static function Commit(){
    return self::$_conn->commit();
}

--[ ROLLBACK ]--

public static function Rollback(){
    return self::$_conn->rollBack();
}

--[ INSERT ]--

public static function Insert($tablo, $rows){
}

}

class db{

public function __construct(){
    $this->prodb = new PDO_db();
}

public function datainsert(){
    $this->prodb->Trans();
    try{
        $datainsert = $this->prodb->Insert($table, $data);
        $this->prodb->Commit();
        $message = "Insert True";
        return $message;
    }catch(Exception $ex){
        $this->prodb->Rollback();
        $message = "Insert Flase";
        return $message;
    }   
}

}