Keyless udtf #5761
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Keyless udtf #5761
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fixes: confluentinc#5723 UDTFs didn't work with new keyless streams. This change fixes this. Plus, adds an error message if you try and create a windowed stream without a key. This previously resulted in an NPE during processing.
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Description
fixes: #5723
UDTFs didn't work with new keyless streams. This change fixes this.
Plus, adds an error message if you try and create a windowed stream without a key. This previously resulted in an NPE during processing.
Testing done
usual
Reviewer checklist