tree a93559212bffc25d90b517db8033208045b12d66
parent 30c5a054c69b60618bdc5cc5ac032ad8da0c67ba
author Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1587589880 -0700
committer Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1587617241 +0000

[NO ISSUE][COMP] Fix AbstractIntroduceGroupByCombinerRule

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

Details:
- AbstractIntroduceGroupByCombinerRule did not always
  restore the plan to its original state when failing

Change-Id: I9cada7f324a271ff017c64b69326b9d4a1a32a85
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/5925
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>