method tfn documentation in bbn\Db

Return table's full name.

(similar to {@link table_full_name()})

X::dump($db->tfn("table_users"));
// (string) work_db.table_users
X::dump($db->tfn("table_users", true));
// (string) `work_db`.`table_users`

function(string $table, bool $escaped = false)
  {
    return $this->tableFullName($table, $escaped);
  }