Changes in this CL include:
1. fix asterixdb issue 810,
2. allow group-by logical operator to work with multiple nested plans.

Change-Id: I58ad59e7b3e8a9e14c3e14f7655c857a1890da6f
Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/178
Reviewed-by: Preston Carman <ecarm002@ucr.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
13 files changed
tree: e316e247520a4f8f95dd59d7069fdc09d222b64a
  1. .gitignore
  2. algebricks/
  3. hyracks/
  4. pom.xml