Apache Arrow/Parquet: ColumnGroup <-> StructVector reading and writing#1621

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koperagen merged 2 commits intomasterfrom

arrow-read-vector

Dec 8, 2025

Commits on Dec 5, 2025

Convert StructVector into ColumnGroup instead of DataColumn<Map<String, Any?>>
koperagen
committed
Support writing ColumnGroup into Arrow as StructVector
koperagen
committed