function multichoice_update_6405 in Quiz 6.4

Implementation of hook_update_N().

Add index to improve performance

File

question_types/multichoice/multichoice.install, line 316

Sponsored by: Norwegian Centre for Telemedicine Code: falcon

Code

function multichoice_update_6405() {
  $results = array();
  db_add_index($results, 'quiz_multichoice_user_answer_multi', 'answer_id', array(
    'user_answer_id',
  ));
  return $results;
}