tree 128d64f345763e42360c73acb71a514d9d624be8
parent ffd170b2fcb7e901fb0b01199a756f3005ecdb8c
author Jianfeng Jia <jianfeng.jia@gmail.com> 1457774107 -0800
committer Jianfeng Jia <jianfeng.jia@gmail.com> 1457808905 -0800

Add the group-only test for ExteralHashGroupby

Change-Id: Ia0b6560e43dc56072a02ff1c105b54669cef0197
Reviewed-on: https://asterix-gerrit.ics.uci.edu/714
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Yingyi Bu <buyingyi@gmail.com>