vegarsti commented on code in PR #8871:
URL: https://github.com/apache/arrow-rs/pull/8871#discussion_r2541300748
##########
arrow-cast/src/cast/mod.rs:
##########
@@ -221,12 +221,34 @@ pub fn can_cast_types(from_type: &DataType, to_type:
&DataType) -> bool {
Decimal32(_, _) | Decimal64(_, _) | Decimal128(_, _) |
Decimal256(_, _),
) => true,
(Struct(from_fields), Struct(to_fields)) => {
- from_fields.len() == to_fields.len()
- && from_fields.iter().zip(to_fields.iter()).all(|(f1, f2)| {
+ // fast path, all field names are in the same order and same
number of fields
Review Comment:
This comment should be on line 228, I believe
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