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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/07/11 17:44:43 UTC

[GitHub] [arrow-datafusion] alamb commented on issue #2873: Error with CASE and DictionaryArrays: `ArrowError(InvalidArgumentError("arguments need to have the same data type"))`

alamb commented on issue #2873:
URL: https://github.com/apache/arrow-datafusion/issues/2873#issuecomment-1180690791

   The issue appear to be that the constant `''` is (correctly) cast to a `Dictionary(Int32, Utf8)` but then when converting it to a `ScalarValue` that optimization is lost.  I have a fix and I will file a ticket for a better fix


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