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Dmitry Lychagin <dmitry.lychagin@couchbase.com>
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on 31 Aug 18
[ASTERIXDB-2449][FUN] Incorrect NULL/MISSING handling by concat functions
- user model changes: no
- storage format changes: no
- interface … Show more
[ASTERIXDB-2449][FUN] Incorrect NULL/MISSING handling by concat functions

- user model changes: no

- storage format changes: no

- interface changes: no

Details:

- Infer function return type as unknownable if

 its input list item can be NULL/MISSING

- Always return MISSING if there is a MISSING argument

Change-Id: Idc364b061f3e74bdc9d7715bbadedc957e9e8223

Reviewed-on: https://asterix-gerrit.ics.uci.edu/2946

Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>

Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>

Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>

Reviewed-by: Till Westmann <tillw@apache.org>

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