function question_insert_c_and_q_ids_for_module($backup_unique_code, $course, $modulename, $instances)
{
global $CFG, $DB;
$status = true;
// using 'dummykeyname' in sql because otherwise $DB->get_records_sql_menu returns an error
// if two key names are the same.
$cmcontexts = array();
if (!empty($instances)) {
list($usql, $params) = $DB->get_in_or_equal(array_keys($instances));
$params[] = $modulename;
$params[] = $course;
$cmcontexts = $DB->get_records_sql_menu("SELECT c.id, c.id AS dummykeyname FROM {modules} m,\n {course_modules} cm, {context} c\n WHERE cm.instance {$usql} AND m.name = ? AND m.id = cm.module AND cm.id = c.instanceid\n AND c.contextlevel = " . CONTEXT_MODULE . " AND cm.course = ?", $params);
}
if ($cmcontexts) {
list($usql, $params) = $DB->get_in_or_equal(array_keys($cmcontexts));
$status = $status && $DB->execute("INSERT INTO {backup_ids} (backup_code, table_name, old_id, info)\n SELECT '{$backup_unique_code}', 'question_categories', qc.id, '{$modulename}'\n FROM {question_categories} qc\n WHERE qc.contextid {$usql}", $params);
}
$status = $status && question_insert_q_ids($backup_unique_code, $modulename);
return $status;
}
function question_insert_c_and_q_ids_for_module($backup_unique_code, $course, $modulename, $instances)
{
global $CFG;
$status = true;
// using 'dummykeyname' in sql because otherwise get_records_sql_menu returns an error
// if two key names are the same.
$cmcontexts = array();
if (!empty($instances)) {
$cmcontexts = get_records_sql_menu("SELECT c.id, c.id AS dummykeyname FROM {$CFG->prefix}modules m,\n {$CFG->prefix}course_modules cm,\n {$CFG->prefix}context c\n WHERE m.name = '{$modulename}' AND m.id = cm.module AND cm.id = c.instanceid\n AND c.contextlevel = " . CONTEXT_MODULE . " AND cm.course = {$course}\n AND cm.instance IN (" . implode(',', array_keys($instances)) . ")");
}
if ($cmcontexts) {
$status = $status && execute_sql("INSERT INTO {$CFG->prefix}backup_ids\n (backup_code, table_name, old_id, info)\n SELECT '{$backup_unique_code}', 'question_categories', qc.id, '{$modulename}'\n FROM {$CFG->prefix}question_categories qc\n WHERE qc.contextid IN (" . join(array_keys($cmcontexts), ', ') . ")", false);
}
$status = $status && question_insert_q_ids($backup_unique_code, $modulename);
return $status;
}