public function testUpdateAttributes()
{
$sphinx = new SphinxClient();
$sphinx->setGroupBy('attr1', SphinxClient::SPH_GROUPBY_ATTR);
$sphinx->updateAttributes('sphinxtest', array('attr1'), array(1 => array(10), 2 => array(10), 3 => array(20), 4 => array(20)));
$results = $sphinx->query('bb');
$this->assertEquals($results['total'], 3);
// restore attributes
$sphinx->updateAttributes('sphinxtest', array('attr1'), array(1 => array(2), 2 => array(4), 3 => array(1), 4 => array(5)));
}