code: protected QueryBuilder rawQuery(@Nullable final String table, @NonNull String sql) {
      return rawQueryOnManyTables(table == null ? null : Collections.singleton(table), sql);
    }
docs: Creates a raw query and enables auto updates for the given single table
  
  @param table the affected table. updates get triggered if the observed tables changes. Use
  {@code null} or
  {@link #rawQuery(String)} if you don't want to register for automatic updates
  @param sql The sql query statement