/**
* Get the SQL needed to test that question_attempt_steps.state is in a
* state corresponding to $summarystate.
* @param string $summarystate one of
* inprogress, needsgrading, manuallygraded or autograded
* @param bool $equal if false, do a NOT IN test. Default true.
* @return string SQL fragment.
*/
public function in_summary_state_test($summarystate, $equal = true, $prefix = 'summarystates')
{
$states = question_state::get_all_for_summary_state($summarystate);
return $this->db->get_in_or_equal(array_map('strval', $states), SQL_PARAMS_NAMED, $prefix, $equal);
}
