alamb commented on PR #2787:
URL:
https://github.com/apache/arrow-datafusion/pull/2787#issuecomment-1165918841
>
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.
I agree @viirya -- I'll try and find time to look at this later if no one
else does. I have a few more things to deal with the fallout from upgrade to
arrow 17 https://github.com/apache/arrow-datafusion/pull/2778
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