clarfiy

Author: alamb

datafusion/core/src/physical_optimizer/pruning.rs

@@ -290,10 +290,9 @@ impl PruningPredicate {
     /// of literals (constants). These are the columns the that may be passed to
     /// [`PruningStatistics::contained`] during pruning.
     ///
-    /// This is useful to avoid fetching statistics for columns that can not be
-    /// used in `contains`. For example, it can be used to avoid reading bloom
-    /// filters (a non trivial operation) for columns that do not appear in the
-    /// predicate.
+    /// This is useful to avoid fetching statistics for columns that will not be
+    /// used in the predicate. For example, it can be used to avoid reading
+    /// uneeded bloom filters (a non trivial operation).
     pub fn literal_columns(&self) -> Vec<String> {
         let mut seen = HashSet::new();
         self.literal_guarantees