rowGroupScan.getColumns()
)
);
} else {
ParquetMetadata footer = footers.get(e.getPath());
readers.add(new DrillParquetReader(footer, e, columns, conf));
}
if (rowGroupScan.getSelectionRoot() != null) {
String[] r = rowGroupScan.getSelectionRoot().split("/");
String[] p = e.getPath().split("/");
if (p.length > r.length) {