Describe the usage question you have. Please include as many useful details as possible.

When I convert nullable avro schema to nullable arrow schema and write as parquet file， meet a exception

"Unhandled type for Arrow to Parquet schema conversion: sparse_union<bigint: int64 not null=5, null: null=0>"

It seems arrow-avro not support SPARE_UNION

how can I use nullable schema in arrow, please help me.

Component(s)

Java