brunal commented on PR #46408:
URL: https://github.com/apache/arrow/pull/46408#issuecomment-2913546089
For the additional test: tried with
```
TEST_P(TestFeather, SliceListsRoundTrip) {
std::shared_ptr<RecordBatch> batch;
ASSERT_OK(ipc::test::MakeListRecordBatch(&batch));
CheckSlices(batch);
}
```
but I'm getting
```
Failed
'WriteTable(table, stream_.get(), GetProperties())' failed with Type error:
Unsupported Feather V1 type: list_view<item: int32>. Use V2 format to serialize
all Arrow types.
/Users/cauet/arrow/cpp/src/arrow/ipc/feather.cc:602
ToFlatbufferType(*values.type())
/Users/cauet/arrow/cpp/src/arrow/ipc/feather.cc:639 WriteArrayV1(chunk,
dst, &out->values)
/Users/cauet/arrow/cpp/src/arrow/ipc/feather.cc:679
WriteColumnV1(*table.column(i), dst, &col)
```
As I can't seem to find a spec about feather formats I'm not sure where to
go from there.
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