zhuqi-lucas commented on code in PR #21580:
URL: https://github.com/apache/datafusion/pull/21580#discussion_r3128528081
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datafusion/datasource-parquet/src/access_plan.rs:
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@@ -377,6 +381,124 @@ impl PreparedAccessPlan {
})
}
+ /// Return a reference to the row group indexes.
+ pub(crate) fn row_group_indexes(&self) -> &[usize] {
+ &self.row_group_indexes
+ }
+
+ /// Keep only the first `count` row groups, dropping the rest.
+ /// Used for TopK cumulative pruning after reorder + reverse.
+ pub(crate) fn truncate_row_groups(mut self, count: usize) -> Self {
Review Comment:
Addressed it in latest PR.
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