I think the Java code is likely still fine for the examples (though someone who actually knows about UDAFs might want to correct me here). If anything is out of date, it would be the build/test commands, which have switched from using ant to maven.
Jason On Mar 11, 2015, at 4:01 AM, shahab <shahab.mok...@gmail.com<mailto:shahab.mok...@gmail.com>> wrote: Hi, I do appreciate if anyone could point me to a Getting-started tutorial on developing custom UDAF? I found this one https://cwiki.apache.org/confluence/display/Hive/GenericUDAFCaseStudy But this is not really made for Hive 0.12.0 /0.13.0.<http://0.13.0./> Any help is appreciated. thanks, /Shahab
