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Posted to issues@arrow.apache.org by "jarohen (via GitHub)" <gi...@apache.org> on 2023/05/15 13:06:03 UTC

[GitHub] [arrow] jarohen opened a new issue, #35588: NullVector returning an inconsistent hash for null values between vectors

jarohen opened a new issue, #35588:
URL: https://github.com/apache/arrow/issues/35588

   ### Describe the bug, including details regarding any error messages, version, and platform.
   
   It's currently [implemented](https://github.com/apache/arrow/blob/cd6e2a4d2b9373b942da18b4cc82cb41431764d9/java/vector/src/main/java/org/apache/arrow/vector/NullVector.java#L281) as `31 * valueCount`, which returns a different hashCode for null values from different-length `NullVector`s. Presumably this should be a constant value?
   
   James
   
   ### Component(s)
   
   Java


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[GitHub] [arrow] jarohen commented on issue #35588: [Java] NullVector returning an inconsistent hash for null values between vectors

Posted by "jarohen (via GitHub)" <gi...@apache.org>.
jarohen commented on issue #35588:
URL: https://github.com/apache/arrow/issues/35588#issuecomment-1547871277

   Hey @lidavidm - yep, have raised a PR. Don't think I've got my environment set up completely in order to run the later module tests, but the vector module passed.
   
   James


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[GitHub] [arrow] lidavidm commented on issue #35588: [Java] NullVector returning an inconsistent hash for null values between vectors

Posted by "lidavidm (via GitHub)" <gi...@apache.org>.
lidavidm commented on issue #35588:
URL: https://github.com/apache/arrow/issues/35588#issuecomment-1547837535

   A quick PR would be welcome, or @davisusanibar would you be able to take a look?


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[GitHub] [arrow] lidavidm commented on issue #35588: [Java] NullVector returning an inconsistent hash for null values between vectors

Posted by "lidavidm (via GitHub)" <gi...@apache.org>.
lidavidm commented on issue #35588:
URL: https://github.com/apache/arrow/issues/35588#issuecomment-1548049098

   Issue resolved by pull request 35590
   https://github.com/apache/arrow/pull/35590


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[GitHub] [arrow] lidavidm commented on issue #35588: NullVector returning an inconsistent hash for null values between vectors

Posted by "lidavidm (via GitHub)" <gi...@apache.org>.
lidavidm commented on issue #35588:
URL: https://github.com/apache/arrow/issues/35588#issuecomment-1547836971

   Huh. Yeah, it should be a constant.


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[GitHub] [arrow] lidavidm closed issue #35588: [Java] NullVector returning an inconsistent hash for null values between vectors

Posted by "lidavidm (via GitHub)" <gi...@apache.org>.
lidavidm closed issue #35588: [Java] NullVector returning an inconsistent hash for null values between vectors
URL: https://github.com/apache/arrow/issues/35588


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