Transaction support in lithium.

transactions.php

/**
 *Since Lithium uses PDO, you can just get the PDO object and call the beginTransaction() method.
 */

$foo = app\models\Foo::create();
$pdo = Connections::get('default')->connection; 
$pdo->beginTransaction();
$foo->bar = 'Hello';
$foo->save();
$pdo->commit();
/*
 * https://github.com/UnionOfRAD/lithium/issues/1004#issuecomment-23690165 
 * http://www.php.net/manual/en/pdo.begintransaction.php
 */