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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/06/24 19:12:40 UTC

[GitHub] [arrow-datafusion] viirya commented on pull request #2787: Test arrow without null (DEMO)

viirya commented on PR #2787:
URL: https://github.com/apache/arrow-datafusion/pull/2787#issuecomment-1165858978

   The failed cases looks not like an attempt to really want to cast other datatype (Utf8) to Null. Looks like an incorrect type coercion rule for `NULL IN ('a','b')`. It tries to cast from utf8 to null, but seems it is more correct to cast from null to utf8.


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