Zend framework $db->update result

Question

Zend_Db_Adapter::update() returns the number of rows affected by the update operation. What is best way to determine if the query was successful?

Answer 1

$data = array(
    'updated_on' => '2007-03-23',
    'bug_status' => 'FIXED',
);
$n = 0;
try {
    $n = $db->update('bugs', $data, 'bug_id = 2');
} catch (Zend_Exception $e) {
    die('Something went wrong: ' . $e->getMessage());
}
if (empty($n)) {
    die('Zero rows affected');
}