tree a0840f0cb6f169609ea5235274987d625c35ec79
parent 74a3a60db44262c5f4afbee8aad8dee96372cf5e
author Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1525112493 -0700
committer Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1525223907 -0700

[ASTERIXDB-2376][FUN] Negative offset for substring()

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

Details:
- Support negative offset as an argument to substring()
  (that means: count from the end of the string)

Change-Id: I849c38819ea2df2c203fd1d794c6b0b3a0eca9d1
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2626
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>