function uses_quizfile($question, $relativefilepath)
{
// Check whether the specified file is available by any
// dataset item on this question...
global $CFG;
if (get_record_sql(" SELECT *\n FROM {$CFG->prefix}question_dataset_items i,\n {$CFG->prefix}question_dataset_definitions d,\n {$CFG->prefix}question_datasets q\n WHERE i.value = '{$relativefilepath}'\n AND d.id = i.definition AND d.type = 2\n AND d.id = q.datasetdefinition\n AND q.question = {$question->id} ")) {
return true;
} else {
// Make the check of the parent:
return parent::uses_quizfile($question, $relativefilepath);
}
}
