tree 61ec3a402966cde41a0ce4079f87ff1258d2693d
parent b9d55c40e12be6cb4164dd154efa919040c617c7
author Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1540948360 -0700
committer Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1541044452 -0700

[ASTERIXDB-2466][FUN] Implement window functions

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

Details:
- Implement window functions with SQL syntax:
  function() OVER ((PARTITION BY expr1, expr2, ...)? ORDER BY exprA, exprB, ...)
- Where supported functions are:
  ROW_NUMBER(), RANK(), DENSE_RANK(), PERCENT_RANK(), NTILE()

Change-Id: Ia28af8773cb11049c38d440c51b9c3cd1ed2bab4
Reviewed-on: https://asterix-gerrit.ics.uci.edu/3002
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: Ali Alsuliman <ali.al.solaiman@gmail.com>