tree 85a4a9e851e36557dbfc3abc35efe6e7a23dcefd
parent 38649da1540859feb5406c85734ee1fe7548e452
author Ali Alsuliman <ali.al.solaiman@gmail.com> 1574295972 -0800
committer Ali Alsuliman <ali.al.solaiman@gmail.com> 1574357531 +0000

[ASTERIXDB-2634][FUN] String functions to return null on data/type errors

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

Details:
- substring(string, int, int)
- codepoint-to-string([int])
- string-concat([string])

Change-Id: I17905ad9e767b43822d28a46123bc1390a159cc7
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/4083
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Hussain Towaileb <hussainht@gmail.com>