/**
* Fetch records using given criteria returning a Traversable object.
*
* Note that the traversable object contains a moodle_recordset, so
* remember that is important that you call close() once you finish
* using it.
*
* @param string $selectwhere
* @param array $params
* @param string $sort
* @param int $limitfrom
* @param int $limitnum
* @return \core\dml\recordset_walk|\core\event\base[]
*/
public function get_events_select_iterator($selectwhere, array $params, $sort, $limitfrom, $limitnum)
{
if (!$this->init()) {
return array();
}
if (!($dbtable = $this->get_config('dbtable'))) {
return array();
}
$sort = self::tweak_sort_by_id($sort);
$recordset = $this->extdb->get_recordset_select($dbtable, $selectwhere, $params, $sort, '*', $limitfrom, $limitnum);
return new \core\dml\recordset_walk($recordset, array($this, 'get_log_event'));
}
