ethan-tyler commented on code in PR #9220:
URL: https://github.com/apache/arrow-rs/pull/9220#discussion_r2732599660
##########
arrow-cast/src/cast/mod.rs:
##########
@@ -5718,6 +5718,418 @@ mod tests {
assert_eq!(dict_array.values().len(), 3);
}
+ #[test]
+ fn test_cast_string_array_to_dict_utf8_view() {
+ let array = StringArray::from(vec![Some("one"), None, Some("three"),
Some("one")]);
+
+ let cast_type =
+ DataType::Dictionary(Box::new(DataType::UInt16),
Box::new(DataType::Utf8View));
+ let cast_array = cast(&array, &cast_type).unwrap();
Review Comment:
Added `assert!(can_cast_types(..))` the successful casts (including the key
overflow case)
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