tree 27555cb9f80abfa03bdab23f43f08462abf551f2
parent 8af1963fb57ebdb5c43bc93298fe3b6bf1c3f195
author Yingyi Bu <buyingyi@gmail.com> 1447655285 -0800
committer Yingyi Bu <buyingyi@gmail.com> 1447721502 -0800

SQL++ support in Algebricks:
1. added the OuterUnnestOperator;
2. fixed several rewriting rules.

Change-Id: I7dcf57f75ebc0a741b6ec9597525e226b6014fc0
Reviewed-on: https://asterix-gerrit.ics.uci.edu/314
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>