andygrove commented on code in PR #546:
URL: https://github.com/apache/datafusion-comet/pull/546#discussion_r1632322840


##########
core/src/execution/sort.rs:
##########
@@ -159,12 +159,14 @@ where
                     pos += 1;
                 }
             } else {
-                unsafe {
-                    ptr::copy_nonoverlapping(
-                        bucket.as_ptr(),
-                        self.get_unchecked_mut(pos),
-                        bucket.len(),
-                    );
+                if bucket.len() > 0 {

Review Comment:
   test were panicking trying to copy an empty slice



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