function process()
{
if (!$this->_current_action) {
return false;
}
if ($is_transacton = $this->_is_transaction_required()) {
start_user_transaction();
}
$action =& $this->get_action_object();
$perform_result = true;
if (is_object($action)) {
if ($view =& $this->get_view()) {
$action->set_view($view);
}
$perform_result = $action->perform();
}
if ($is_transacton) {
if ($perform_result) {
commit_user_transaction();
} else {
rollback_user_transaction();
}
}
return $perform_result;
}
function _start_transaction()
{
if ($this->is_transaction_required()) {
start_user_transaction();
}
}
function test_transactions()
{
$db =& db_factory :: instance();
start_user_transaction();
$db->sql_insert("founding_fathers", array('first' => 'Richard', 'last' => 'Nixon', 'dog_name' => null));
$db->sql_insert("founding_fathers", array('first' => 'Richard', 'last' => 'Nixon2', 'dog_name' => null));
$db->sql_insert("founding_fathers", array('first' => 'Richard', 'last' => 'Nixon3', 'dog_name' => null));
rollback_user_transaction();
$db->sql_select("founding_fathers", '*', 'last="Nixon"');
$this->assertEqual(sizeof($db->get_array()), 0);
start_user_transaction();
$db->sql_insert("founding_fathers", array('first' => 'Richard', 'last' => 'Nixon', 'dog_name' => null));
$db->sql_insert("founding_fathers", array('first' => 'Richard', 'last' => 'Nixon2', 'dog_name' => null));
$db->sql_insert("founding_fathers", array('first' => 'Richard', 'last' => 'Nixon3', 'dog_name' => null));
commit_user_transaction();
$db->sql_select("founding_fathers", '*', 'last="Nixon" OR last="Nixon2" OR last="Nixon3"');
$this->assertEqual(sizeof($db->get_array()), 3);
start_user_transaction();
$db->sql_insert("founding_fathers", array('first' => 'Richard', 'last' => 'Nixxxxx', 'dog_name' => null));
$db->sql_select("founding_fathers", '*', 'last="Nixxxxx"');
$arr = $db->get_array();
$this->assertEqual(sizeof($arr), 1);
$this->assertEqual($arr[0]['last'], 'Nixxxxx');
rollback_user_transaction();
$db->sql_select("founding_fathers", '*', 'last="Nixxxxx"');
$arr = $db->get_array();
$this->assertEqual(sizeof($arr), 0);
}