tree 6c31de9675804065bb52ac75e2115b190c57103f
parent b3eb7a4e8404cc0c822d3d06dc059368c5633801
author Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1555614528 -0700
committer Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1555627089 +0000

[NO ISSUE][COMP] Improve window operator consolidation rule

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

Details:
- Consolidate window operators computing FIRST_VALUE()
  and LAST_VALUE() over the same window specification

Change-Id: I4714081d711c98c6e843901aa8a02bc4a0bd214e
Reviewed-on: https://asterix-gerrit.ics.uci.edu/3347
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Ali Alsuliman <ali.al.solaiman@gmail.com>