Pulll tempo sync

Author: simonswine

pkg/phlaredb/block_querier.go

@@ -1206,7 +1206,7 @@ func (r *parquetReader[M, P]) columnIter(ctx context.Context, columnName string,
 		return query.NewErrIterator(fmt.Errorf("column '%s' not found in parquet file '%s'", columnName, r.relPath()))
 	}
 	ctx = query.AddMetricsToContext(ctx, r.metrics.query)
-	return query.NewColumnIterator(ctx, r.file.RowGroups(), index, columnName, 1000, predicate, alias)
+	return query.NewSyncIterator(ctx, r.file.RowGroups(), index, columnName, 1000, predicate, alias)
 }
 
 func repeatedColumnIter[T any](ctx context.Context, source Source, columnName string, rows iter.Iterator[T]) iter.Iterator[*query.RepeatedRow[T]] {