adriangb commented on code in PR #16139:
URL: https://github.com/apache/datafusion/pull/16139#discussion_r2112613924
##########
datafusion/common/src/pruning.rs:
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@@ -122,3 +126,1002 @@ pub trait PruningStatistics {
values: &HashSet<ScalarValue>,
) -> Option<BooleanArray>;
}
+
+/// Prune files based on their partition values.
+/// This is used both at planning time and execution time to prune
+/// files based on their partition values.
+/// This feeds into [`CompositePruningStatistics`] to allow pruning
+/// with filters that depend both on partition columns and data columns
+/// (e.g. `WHERE partition_col = data_col`).
+#[derive(Clone)]
+pub struct PartitionPruningStatistics {
+ /// Values for each column for each container.
Review Comment:
I went with
https://github.com/apache/datafusion/commit/0def286886df92f16e57e6cf091df32b9113cdf4.
I'll do another round to fix clippy and remove a collect()
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