tree 27a453e5e9a2fb91c9d772c649ff2608efdd9581
parent c20bf9a74fcb35ee8dae9c355657235ef19297cc
author Ali Alsuliman <ali.al.solaiman@gmail.com> 1568355356 -0700
committer Ali Alsuliman <ali.al.solaiman@gmail.com> 1568415848 +0000

[ASTERIXDB-2634][COMP][RT] String functions to return NULL on mismatch

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

Details:
Make string functions return NULL on mismatch instead of raising
an exception and issue a warning.

- consolitated ExceptionUtil from org.apache.asterix.runtime.exceptions
into org.apache.asterix.om.exceptions.
- AbstractStringTypeComputer does not check arguments type now
  and does not throw mismatch exception.

Change-Id: I51db8ae6ba301757c45c41cfd02bd2b083436970
Reviewed-on: https://asterix-gerrit.ics.uci.edu/3562
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>