sdf-jkl commented on code in PR #9663:
URL: https://github.com/apache/arrow-rs/pull/9663#discussion_r3088062855
##########
parquet-variant-compute/src/shred_variant.rs:
##########
@@ -321,12 +328,19 @@ impl<'a> VariantToShreddedArrayVariantRowBuilder<'a> {
// If the variant is not an array, typed_value must be null.
// If the variant is an array, value must be null.
match variant {
- Variant::List(list) => {
+ Variant::List(ref list) => {
self.nulls.append_non_null();
- self.value_builder.append_null();
- self.typed_value_builder
- .append_value(&Variant::List(list))?;
- Ok(true)
+
+ // With `safe` cast option set to false, appending list of
wrong size to
+ // `typed_value_builder` of type `FixedSizeList` will result
in an error. In such a
+ // case, the provided list should be appended to the
`value_builder.
Review Comment:
I see. Thanks for the clarification @cashmand, @scovich!
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