Jefffrey commented on code in PR #9184:
URL: https://github.com/apache/arrow-datafusion/pull/9184#discussion_r1485730876
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datafusion/core/src/physical_optimizer/pruning.rs:
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@@ -149,11 +149,12 @@ pub trait PruningStatistics {
/// for any row in the Row Group, the entire Row Group is skipped during query
/// execution.
///
-/// The `PruningPredicate` API is designed to be general, so it can used for
-/// pruning other types of containers (e.g. files) based on statistics that may
-/// be known from external catalogs (e.g. Delta Lake) or other sources.
+/// The `PruningPredicate` API is general, and can be used for pruning other
+/// types of containers (e.g. files) based on statistics that may be known from
+/// external catalogs (e.g. Delta Lake) or other sources. How his works is a
Review Comment:
```suggestion
/// external catalogs (e.g. Delta Lake) or other sources. How this works is a
```
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