viirya commented on issue #1625: URL: https://github.com/apache/arrow-rs/issues/1625#issuecomment-1112508202
Java: https://github.com/apache/arrow/blob/b76caf4964dc96d20b72b21291052f459fa9c68a/java/vector/src/main/codegen/templates/UnionVector.java#L697-L704 It mentions: > IMPORTANT: Union types always return non null as there is no validity buffer. To check validity correctly you must check the underlying vector. C++: Default `IsNull`: https://github.com/apache/arrow/blob/c70426f73326b3852d1bd7c31d98be4743f3fcba/cpp/src/arrow/array/array_base.h#L57-L62 I don't see UnionArray has overridden implementation. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
