tree d445e6f213a34d31385f54cc25a89e9e87990826
parent a5b37d6785ae8a0bccb2d933a5fa02dd77acc1dc
author Yingyi Bu <yingyi@couchbase.com> 1504729022 -0700
committer Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1504906933 -0700

[ASTERIXDB-2051][COMP] Fix PushSubplanIntoGroupByRule for complex cases.

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

Details:
- re-implement PushSubplanIntoGroupByRule and let it handle general cases;
- add an option to LogicalOperatorDeepCopyWithNewVariablesVisitor for
  not re-mapping free variables in the given plan subtree.

Change-Id: I969c40112be0506981357a9c41bf9675ae12ffb9
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1992
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Dmitry Lychagin <dmitry.lychagin@couchbase.com>