sdf-jkl commented on code in PR #8354:
URL: https://github.com/apache/arrow-rs/pull/8354#discussion_r2836331532
##########
parquet-variant-compute/src/variant_get.rs:
##########
@@ -97,14 +98,67 @@ pub(crate) fn follow_shredded_path_element<'a>(
})?;
let state = BorrowedShreddingState::try_from(struct_array)?;
- Ok(ShreddedPathStep::Success(state))
+ Ok(ShreddedPathStep::Success(state.into()))
}
- VariantPathElement::Index { .. } => {
+ VariantPathElement::Index { index } => {
// TODO: Support array indexing. Among other things, it will
require slicing not
// only the array we have here, but also the corresponding
metadata and null masks.
- Err(ArrowError::NotYetImplemented(
- "Pathing into shredded variant array index".into(),
- ))
+ let Some(list_array) =
typed_value.as_any().downcast_ref::<GenericListArray<i32>>()
Review Comment:
Actually, it seems like not an issue right now because VariantArray does not
support LargeList:
https://github.com/apache/arrow-rs/blob/25ad2d488fe19175b2cd15e86c3bc1153cb5a38b/parquet-variant-compute/src/variant_array.rs#L1184-L1187
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