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jerolba / parquet-carpet

Java Parquet serialization and deserialization library using Java 17 Records
Apache License 2.0
50 stars 3 forks source link

Support empty lists in 3-Level nested collections #7

Closed jerolba closed 10 months ago

jerolba commented 10 months ago

Serializing 

record Data(String name, List<Integer> ids) { }

If ids collection is empty, is serialized with null value instead of empty collection.

jerolba commented 10 months ago

Group and start was missing on empty list