brancz commented on code in PR #9007:
URL: https://github.com/apache/arrow-rs/pull/9007#discussion_r2624512232
##########
arrow-cast/src/cast/mod.rs:
##########
@@ -1255,7 +1263,25 @@ pub fn cast_with_options(
let column = array.column(from_field_idx);
cast_with_options(column, to_field.data_type(),
cast_options)
})
- .collect::<Result<Vec<ArrayRef>, ArrowError>>()?
+ .collect::<Result<Vec<ArrayRef>, ArrowError>>()
+ {
+ Ok(casted_fields) => casted_fields,
+ Err(e) => {
+ // If it's Field not found, we cast field by field
+ if !e.to_string().starts_with("Field '")
Review Comment:
I don't love this, let me know if you have a better idea. The only other
idea I had was to build a hashmap of indexes and field names first, but didn't
like that because I didn't want to introduce allocations.
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