presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/RaptorPageSinkProvider.java/RaptorPageSinkProvider/toColumnIds
class RaptorPageSinkProvider:    private static List<Long> toColumnIds(List<RaptorColumnHandle> columnHandles)
    {
        return columnHandles.stream().map(RaptorColumnHandle::getColumnId).collect(toList());
    }