tree eec4ae4e895871ded6ccc113ae4fe024706baf7c
parent abcdb802150072c20ddb758fed0cac48b529e9a5
author luochen01 <cluo8@uci.edu> 1522276347 -0700
committer Luo Chen <cluo8@uci.edu> 1522284633 -0700

[ASTERIXDB-2280][IDX] Fix Index on Optional Nested Field

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

Details:
- Fix the creation of indexes on optional nested field
by handling AUnionType properly.
- Fix the nullability check of primary keys.

Change-Id: If098ff4a45db3c4e8b65d098cbb0940c8b7ab845
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2477
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Dmitry Lychagin <dmitry.lychagin@couchbase.com>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>