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Loggging and debugging in Impala C++ UDF

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Loggging and debugging in Impala C++ UDF

New Contributor

Hi Folks, 

 I am using CDH 5.7 and porting few C UDF written for DB2 to Impala in C++, I have written lots of code based on the documentation, but when testing I am not getting desired output. I was finding out the ways to put DEBUG and logging statements during the functions calls, can somebody help me how to do that. I also need to know where they will be getting logged? 

 

I am running my queries from impala-shell.

 

Thanks,

Manish