/**
* Are there any pending regrades in the table we are going to show?
* @param string $from tables used by the main query.
* @param string $where where clause used by the main query.
* @param array $params required by the SQL.
* @return bool whether there are pending regrades.
*/
protected function has_regraded_questions($from, $where, $params)
{
global $DB;
$qubaids = new qubaid_join($from, 'uniqueid', $where, $params);
return $DB->record_exists_select('quiz_overview_regrades', 'questionusageid ' . $qubaids->usage_id_in(), $qubaids->usage_id_in_params());
}
