asubiotto commented on code in PR #8735:
URL: https://github.com/apache/arrow-rs/pull/8735#discussion_r2472780895
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arrow-cast/src/cast/mod.rs:
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@@ -11866,4 +11910,129 @@ mod tests {
// Verify the run-ends were cast correctly (run ends at 3, 6, 9)
assert_eq!(run_array.run_ends().values(), &[3i64, 6i64, 9i64]);
}
+
+ #[test]
+ fn test_cast_list_view_to_list() {
Review Comment:
List to ListView should be pretty straightforward, but I think there are a
couple interesting ListView to List cases if you haven't tested these yet:
- ListView with out of order offsets (this is valid)
- ListView with overlapping views so the inner child probably needs a `take`
for expansion e.g. offsets=[0,0] sizes=[1,2]
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