jorisvandenbossche commented on code in PR #41757:
URL: https://github.com/apache/arrow/pull/41757#discussion_r1625650040
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cpp/src/arrow/array/array_nested.cc:
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@@ -827,6 +827,15 @@ Result<std::shared_ptr<Array>>
MapArray::FromArraysInternal(
return Status::Invalid("Map key and item arrays must be equal length");
}
+ if (null_bitmap != nullptr && offsets->null_count() > 0) {
Review Comment:
I think it would be good to fix both together in one PR (given both code
snippets are exactly the same, for MapArray it was copied from ListArray)
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