tree f3d96f6de97044376991f01134073fcb5f08db59
parent 2525d512f3cc7b3c3e5fdbc0486632b4fac51507
author Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1615946113 -0700
committer Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1616007519 +0000

[ASTERIXDB-2845][COMP] Fix internal error in SubplanFlatteningUtil

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

Details:
- SubplanFlatteningUtil should handle case when it cannot find
  an aggregate operator in the immediate subplan its rewriting
- Add an option to RemoveRedundantListifyRule to disable
  elimination of aggregate-unnest pair at the top of a subplan
- Add prerequisite check to RemoveRedundantListifyRule
  for aggregate-unnest case. The input to the unnest must have
  cardinality 1

Change-Id: I2448c038e765b97d41cd0cf66b8c4f159491d9c2
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/10563
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Dmitry Lychagin <dmitry.lychagin@couchbase.com>
Reviewed-by: Ali Alsuliman <ali.al.solaiman@gmail.com>