berkaysynnada commented on code in PR #15539:
URL: https://github.com/apache/datafusion/pull/15539#discussion_r2033375224
##########
datafusion/datasource/src/file_groups.rs:
##########
@@ -263,7 +264,21 @@ impl FileGroupPartitioner {
.flatten()
.chunk_by(|(partition_idx, _)| *partition_idx)
.into_iter()
- .map(|(_, group)| FileGroup::new(group.map(|(_, vals)|
vals).collect_vec()))
+ .map(|(_, group)| {
+ FileGroup::new(
Review Comment:
I don't understand the challenging part. We should just track where file
chunks goes and write a logic like in the compute_summary_statistics() on the
same groups
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