like条件
db_update('custom_users')->fields(array('uid' => $uid))->condition('phone', '%' . db_like($phone) . '%', 'LIKE')->execute();
in & not in条件
$query->condition('rid',array(1,2,4,5,7),"not in"); $query->condition('rid',array(1,2,4,5,7),"in");
db_or条件
$query->condition(db_or()->condition('rid',4)->condition('rid',5));