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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/01/05 13:36:46 UTC
[GitHub] [arrow] lidavidm commented on pull request #12080: ARROW-15118: [C++] Avoid bitmap buffer if all inputs are all valid for Scalar Kernels
lidavidm commented on pull request #12080:
URL: https://github.com/apache/arrow/pull/12080#issuecomment-1005691660
Right, you don't get to see the actual data during preallocation. However it's called from here: https://github.com/apache/arrow/blob/ecacff0f4e1059887ea6ff78254c4ae9ff3ea102/cpp/src/arrow/compute/exec.cc#L732
It seems you could pass through the actual data in that case.
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