tree 1757c7ad7dd97c0ae393a5201ad2d14a8abda11e
parent 35011ee256a79a1c8d39382937077dc8314ebff0
author Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1553749760 -0700
committer Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1553872139 -0700

[ASTERIXDB-2483][COMP][FUN] Eliminate listify for distinct aggregates

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

Details:
- Move distinct aggregate rewriting from SqlppQueryRewriter
  to RewriteDistinctAggregateRule in the optimizer
- Add runtime for scalar distinct aggregates
- Fix ExtractCommonOperatorsRule handling of binary operators
- Additional tests for distinct aggregates

Change-Id: If13ea2696e9e0a8a639db684656e5642991c1f99
Reviewed-on: https://asterix-gerrit.ics.uci.edu/3293
Reviewed-by: Ali Alsuliman <ali.al.solaiman@gmail.com>
Tested-by: Dmitry Lychagin <dmitry.lychagin@couchbase.com>