Add Reproducer for Issues with LEFT joins on Fixed Size Binary Columns #19800
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Jefffrey
approved these changes
Jan 14, 2026
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Which issue does this PR close?
Adds a reproducer for #19067 and closes #19067.
Rationale for this change
The bug has been fixed in arrow-rs (apache/arrow-rs#8981). To ensure this case is covered in the tests, we add a reproducer.
What changes are included in this PR?
DISCLAIMER: First version was generated using AI from the original reproducer and improved by me. Happy to incorporate further suggestions for improvements.
Are these changes tested?
Yes.
I've also ensure that the test case exhibits the issue on
branch-51.Diff when running the test on
branch-51:Are there any user-facing changes?
No