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From: 郑杨<[email protected]> Date: 2026-01-20 09:11:25 To: 
dev<[email protected]> Subject: Question about compilation failure when 
adding a new Nereids scalar function (CrossProduct)Dear Doris Community,
Hi everyone,
I'm implementing a new Nereids scalar function cross_product in Doris and met a 
compilation problem when adding the FE side function definition.
Here is the simplified function signature:


But Maven fails with:

I noticed that some existing functions (e.g. ArrayDifference) use FloatType, 
but in my case the class cannot be resolved.
Any guidance would be very helpful.
Thanks a lot for your time and help!
Best regards,
Yang Zheng






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