public function MatchingQuestion::delete in Quiz 6.4

Same name and namespace in other branches

1. 6.6 question_types/matching/matching.classes.inc \MatchingQuestion::delete()
2. 6.3 question_types/matching/matching.classes.inc \MatchingQuestion::delete()
3. 6.5 question_types/matching/matching.classes.inc \MatchingQuestion::delete()
4. 7.6 question_types/matching/matching.classes.inc \MatchingQuestion::delete()
5. 7 question_types/matching/matching.classes.inc \MatchingQuestion::delete()
6. 7.4 question_types/matching/matching.classes.inc \MatchingQuestion::delete()
7. 7.5 question_types/matching/matching.classes.inc \MatchingQuestion::delete()

Implementation of delete

Overrides QuizQuestion::delete

See also

QuizQuestion#delete($only_this_version)

File

question_types/matching/matching.classes.inc, line 75

matching.classes

Class

MatchingQuestion

Extension of QuizQuestion.

Code

public function delete($only_this_version = FALSE) {
  parent::delete($only_this_version);
  if ($only_this_version) {
    $sql = 'DELETE FROM {quiz_matching_user_answers}
              WHERE match_id IN(
                SELECT match_id
                FROM {quiz_matching_node}
                WHERE nid = %d AND vid = %d
              )';
    db_query($sql, $this->node->nid, $this->node->vid);
    $sql = 'DELETE FROM {quiz_matching_node} WHERE nid = %d AND vid = %d';
    db_query($sql, $this->node->nid, $this->node->vid);
  }
  else {
    $sql = 'DELETE FROM {quiz_matching_user_answers}
              WHERE match_id IN(
                SELECT match_id
                FROM {quiz_matching_node}
                WHERE nid = %d
              )';
    db_query($sql, $this->node->nid);
    $sql = 'DELETE FROM {quiz_matching_node} WHERE nid = %d';
    db_query($sql, $this->node->nid, $this->node->vid);
  }
}