chamilo / chamilo-lms

        // Ignore if we didn't find any course connection record in the last

        // hour. In this case it wouldn't be right to add a "fake" time record.

        if (Database::num_rows($result) > 0) {

            // Found the latest connection

            $row = Database::fetch_row($result);

            $courseAccessId = $row[0];

            $sql = "DELETE FROM $courseTrackingTable WHERE course_access_id = $courseAccessId";

            $result = Database::query($sql);

            return $result;

        }

        return false;

    }

                ) as t1

                ";

        if ($getCount) {

            $result = Database::query($sql);

            $count = 0;

            if (Database::num_rows($result)) {

                $rows = Database::fetch_array($result);

                $count = $rows['count'];

            }

            return $count;

        }

        if (!empty($column) && !empty($direction)) {

            $column = str_replace('u.', '', $column);