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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/12/31 03:05:59 UTC

[GitHub] [arrow] edponce edited a comment on pull request #12036: ARROW-15194: [C++] Combine ChunkedArray constructors

edponce edited a comment on pull request #12036:
URL: https://github.com/apache/arrow/pull/12036#issuecomment-1003249653


   @pitrou I noticed that [Python's `ChunkedArray` "constructor" performs the type/size check and validates that all chunks are of the same type](https://github.com/apache/arrow/blob/master/python/pyarrow/table.pxi#L529-L546). Basically, the same behavior as if going through `XXX::Make()`. And then it [invokes C++ constructor](https://github.com/apache/arrow/blob/master/python/pyarrow/table.pxi#L555) which in turn also performs the type/size checks.
   Why PyArrow performs so much error handling which can be captured in C++? Is this a design decision or a consequence of defensive programming while adding more functionality?


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