zinking commented on code in PR #36967:
URL: https://github.com/apache/arrow/pull/36967#discussion_r1281318564
##########
cpp/src/arrow/dataset/file_parquet.cc:
##########
@@ -779,6 +787,28 @@ Result<std::vector<int>>
ParquetFileFragment::FilterRowGroups(
return row_groups;
}
+Result<std::vector<int>> ParquetFileFragment::FilterRangeRowGroups(
+ std::vector<int> filtered_row_groups, int64_t start_offset, int64_t
length) {
+ std::vector<int> row_groups;
+ for (int row_group : filtered_row_groups) {
+ auto rg_metadata = metadata_->RowGroup(row_group);
+ std::shared_ptr<parquet::ColumnChunkMetaData> cc0 =
rg_metadata->ColumnChunk(0);
Review Comment:
this is the behavior for parquet java reader as well. but anyways, java
reader is asserting on the existence of total size as well.
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