function quiz_delete in Quiz 7

Same name and namespace in other branches

1. 5.2 quiz.module \quiz_delete()
2. 5 quiz.module \quiz_delete()
3. 6.6 quiz.module \quiz_delete()
4. 6.2 quiz.module \quiz_delete()
5. 6.3 quiz.module \quiz_delete()
6. 6.4 quiz.module \quiz_delete()
7. 6.5 quiz.module \quiz_delete()
8. 7.6 quiz.module \quiz_delete()
9. 7.4 quiz.module \quiz_delete()
10. 7.5 quiz.module \quiz_delete()

Implements hook_delete().

File

./quiz.module, line 789

Quiz Module

Code

function quiz_delete($node) {
  $res = db_query('SELECT result_id FROM {quiz_node_results}
          WHERE nid = :nid', array(
    ':nid' => $node->nid,
  ));
  $rids = array();
  while ($rid = $res
    ->fetchField()) {
    $rids[] = $rid;
  }
  quiz_delete_results($rids);

  // Remove quiz node records from table quiz_node_properties
  db_delete('quiz_node_properties')
    ->condition('nid', $node->nid)
    ->execute();

  // Remove quiz node records from table quiz_node_relationship
  db_delete('quiz_node_relationship')
    ->condition('parent_nid', $node->nid)
    ->execute();

  // Remove quiz node records from table quiz_node_results
  db_delete('quiz_node_results')
    ->condition('nid', $node->nid)
    ->execute();

  // Remove quiz node records from table quiz_node_result_options
  db_delete('quiz_node_result_options')
    ->condition('nid', $node->vid)
    ->execute();
}