vegarsti commented on code in PR #8735:
URL: https://github.com/apache/arrow-rs/pull/8735#discussion_r2478050523
##########
arrow-cast/src/cast/mod.rs:
##########
@@ -864,9 +877,41 @@ pub fn cast_with_options(
let array = array.as_list::<i64>();
cast_list_to_fixed_size_list::<i64>(array, field, *size,
cast_options)
}
- (List(_) | LargeList(_), _) => match to_type {
+ (ListView(_), List(_)) => match to_type {
+ List(list_to) => cast_list_view_values::<i32>(array, list_to,
cast_options),
+ _ => Err(ArrowError::CastError(
+ "Cannot cast list view to non-list data types".to_string(),
+ )),
+ },
+ (LargeListView(_), LargeList(_)) => match to_type {
Review Comment:
Indeed! Thanks!
##########
arrow-cast/src/cast/mod.rs:
##########
@@ -153,7 +153,20 @@ pub fn can_cast_types(from_type: &DataType, to_type:
&DataType) -> bool {
(List(list_from) | LargeList(list_from), FixedSizeList(list_to, _)) =>
{
can_cast_types(list_from.data_type(), list_to.data_type())
}
+ (List(list_from), ListView(list_to)) => {
Review Comment:
Thanks!
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