plperl: Correctly handle empty arrays in plperl_ref_from_pg_array.
plperl_ref_from_pg_array() didn't consider the case that postgrs arrays
can have 0 dimensions (when they're empty) and accessed the first
dimension without a check. Fix that by special casing the empty array
case.
Author: Alex Hunsaker
Reported-By: Andres Freund / valgrind / buildfarm animal skink
Discussion: 20160308063240.usnzg6bsbjrne667@alap3.anarazel.de
Backpatch: 9.1-
Branch
------
REL9_1_STABLE
Details
-------
http://git.postgresql.org/pg/commitdiff/c5f1fbbfb51d852f0e9a1143dae9faa5186c1b2d
Modified Files
--------------
src/pl/plperl/plperl.c | 29 ++++++++++++++++++++---------
1 file changed, 20 insertions(+), 9 deletions(-)