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  1. Parquet
  2. PARQUET-1788

[C++] ColumnWriter has undefined behavior when writing arrow chunks

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      We blindly add offset to dep_level and rep_level inside chunking callbacks when these are nullptrs (I believe this occurs if the schema is flat) we still apply the offset which triggers UBSan.

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              emkornfield@gmail.com Micah Kornfield
              emkornfield@gmail.com Micah Kornfield
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