rluvaton commented on code in PR #7037:
URL: https://github.com/apache/arrow-rs/pull/7037#discussion_r1932326526


##########
arrow-select/src/concat.rs:
##########
@@ -462,6 +478,60 @@ mod tests {
         assert_eq!(array_result.as_ref(), &array_expected as &dyn Array);
     }
 
+    #[test]
+    fn test_concat_primitive_list_arrays_slices() {
+        let list1 = vec![
+            Some(vec![Some(-1), Some(-1), Some(2), None, None]),
+            Some(vec![]), // In slice
+            None,         // In slice
+            Some(vec![Some(10)]),
+        ];
+        let list1_array = ListArray::from_iter_primitive::<Int64Type, _, 
_>(list1.clone());
+        let list1_array = list1_array.slice(1, 2);

Review Comment:
   I would add assertion here that the offsets really don't start from 0 to 
make sure we actually cover that case



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