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Posted to github@datafusion.apache.org by "jay-dee7 (via GitHub)" <gi...@apache.org> on 2026/02/10 17:05:02 UTC

[I] bug: Describe fails when schema has FixedBinarySize columns [datafusion]

jay-dee7 opened a new issue, #20273:
URL: https://github.com/apache/datafusion/issues/20273

   ### Describe the bug
   
   When using describe method on dataframe, the operation fails with the following error:
   ```sh
   Arrow error: Cast error: Casting from FixedSizeBinary(16) to Utf8 not supported
   ```
   
   This looks like a straightforward bug fix since explain works just fine and this is probably just a missing case.
   
   ### To Reproduce
   
   _No response_
   
   ### Expected behavior
   
   _No response_
   
   ### Additional context
   
   _No response_


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Re: [I] bug: Describe fails when schema has FixedBinarySize columns [datafusion]

Posted by "Jefffrey (via GitHub)" <gi...@apache.org>.
Jefffrey commented on issue #20273:
URL: https://github.com/apache/datafusion/issues/20273#issuecomment-4608324847

   resolved by
   
   - #21728


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Re: [I] bug: Describe fails when schema has FixedBinarySize columns [datafusion]

Posted by "jay-dee7 (via GitHub)" <gi...@apache.org>.
jay-dee7 commented on issue #20273:
URL: https://github.com/apache/datafusion/issues/20273#issuecomment-3879438578

   I would love to send a PR over if this is indeed a bug :)


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Re: [I] bug: Describe fails when schema has FixedBinarySize columns [datafusion]

Posted by "Jefffrey (via GitHub)" <gi...@apache.org>.
Jefffrey closed issue #20273: bug: Describe fails when schema has FixedBinarySize columns
URL: https://github.com/apache/datafusion/issues/20273


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Re: [I] bug: Describe fails when schema has FixedBinarySize columns [datafusion]

Posted by "Acfboy (via GitHub)" <gi...@apache.org>.
Acfboy commented on issue #20273:
URL: https://github.com/apache/datafusion/issues/20273#issuecomment-3888661054

   It seems like this is a limitation of the underlying arrow library rather than an issue with DataFusion itself.


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Re: [I] bug: Describe fails when schema has FixedBinarySize columns [datafusion]

Posted by "yash27-lab (via GitHub)" <gi...@apache.org>.
yash27-lab commented on issue #20273:
URL: https://github.com/apache/datafusion/issues/20273#issuecomment-3898238919

   I worked on this and have a local fix ready (with a regression test).
   I’ll open a PR as soon as I can push from my fork.


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Re: [I] bug: Describe fails when schema has FixedBinarySize columns [datafusion]

Posted by "officialasishkumar (via GitHub)" <gi...@apache.org>.
officialasishkumar commented on issue #20273:
URL: https://github.com/apache/datafusion/issues/20273#issuecomment-4204765486

   take


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