zhuqi-lucas commented on code in PR #21182:
URL: https://github.com/apache/datafusion/pull/21182#discussion_r3027914806
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datafusion/datasource-parquet/src/source.rs:
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@@ -811,11 +819,6 @@ impl FileSource for ParquetSource {
Ok(SortOrderPushdownResult::Inexact {
inner: Arc::new(new_source) as Arc<dyn FileSource>,
})
-
- // TODO Phase 2: Add support for other optimizations:
Review Comment:
Created follow-up issue: https://github.com/apache/datafusion/issues/21317
Great idea! Row-group-level statistics reordering would be a natural
extension of our file-level reordering but at finer granularity. Especially
powerful with morselized scans where TopK could terminate after a single row
group.
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