Added LeftOuterUnnestMap operator.

 - Added LeftOuterUnnestMap operator to represent the left-outer-join semantics properly.

Change-Id: I4525899cf8e5e43551aa2ac2a78806ef6cc85e58
Reviewed-on: https://asterix-gerrit.ics.uci.edu/638
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Yingyi Bu <buyingyi@gmail.com>
19 files changed
tree: 70eef3772f867a51337caa00c43f46423fd0fe54
  1. algebricks/
  2. hyracks/
  3. src/
  4. .gitignore
  5. DISCLAIMER
  6. LICENSE
  7. NOTICE
  8. pom.xml