Unfortunately, the BE does not have the codegen path to execute UDAs.
This puts some restrictions on the UDAs we can run.
- No IR UDAs
- No varargs
- Must have 8 arguments or less.
The code to do this is almost all there for UDFs but I'm not sure I'll get to it.
Change-Id: I8a06e635a9138397c8474a5704c3e588bb92347b
Reviewed-on: http://gerrit.ent.cloudera.com:8080/703
Reviewed-by: Nong Li <nong@cloudera.com>
Tested-by: Nong Li <nong@cloudera.com>