tree a2c672728a3be8dfac405bcea0691c64a71c233a
parent 0ef0e76482fd1485d633394c5a02f39acc0614fc
author Xikui Wang <xkkwww@gmail.com> 1519849245 -0800
committer Xikui Wang <xkkwww@gmail.com> 1519863818 -0800

[NO ISSUE][ING] Allow external UDF to use runtime parallelism

- user model changes: no
- storage format changes: no
- interface changes:

Details:
1. Enable UDF in feed to use the runtime parallelism.
2. Fix the DefaultNodeDomain where the nodes should be mutliSet but not
list, for comparison purpose.

Change-Id: Ic3b54617be115f51b6a48b9a61581c26b5be8d9d
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2398
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Michael Blow <mblow@apache.org>