tree b203d06e5a7db665257878035c26a34f11619689
parent 675244029cc9624795d54aeed5e2b6f7aafd2905
author Xikui Wang <xkkwww@gmail.com> 1536169867 -0700
committer Xikui Wang <xkkwww@gmail.com> 1536177129 -0700

[NO-ISSUE][COMP] Avoid adding redundant var in AbstractIntroduceGroupByCombinerRule

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

For live variables added in new Group-by op, they should not be added
again.

Change-Id: Ic1ab9aee31db95d5782385bc3d53777da54f6d83
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2933
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Dmitry Lychagin <dmitry.lychagin@couchbase.com>