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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