alamb commented on code in PR #6662:
URL: https://github.com/apache/arrow-rs/pull/6662#discussion_r1829645440


##########
arrow-string/src/predicate.rs:
##########
@@ -116,10 +116,17 @@ impl<'a> Predicate<'a> {
             }),
             Predicate::Contains(finder) => {
                 if let Some(string_view_array) = 
array.as_any().downcast_ref::<StringViewArray>() {
+                    let nulls = string_view_array.logical_nulls();
                     BooleanArray::from(
                         string_view_array
                             .bytes_iter()
-                            .map(|haystack| finder.find(haystack).is_some() != 
negate)
+                            .enumerate()
+                            .map(|(idx, haystack)| {
+                                if nulls.as_ref().map(|n| 
n.is_null(idx)).unwrap_or_default() {

Review Comment:
   I am running some benchmarks to see what, if any, impact this has in 
performance
   
   ```shell
   cargo bench --bench comparison_kernels -- like
   ```
   
   I will report back shortly



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