Hive query translation to tez execution code

[Grandl Robert <rg...@yahoo.com>]

Hi guys,
In case of MapReduce, we can have access to the class files for Map/Reduce tasks which are actually executed by a map/reduce job. I am wondering how this translates to running hive queries atop Tez. 

Basically I am trying to snapshot the actual code which is executed by a Tez task, assuming the task was generated by a higher-level framework such as Hive. 

Could you give me some hints where to look for ? I suspect the code does not come as clean java code, but some combination of operators and java code. 

Thanks in advance,Robert