pgsql: pg_upgrade: have pg_upgrade fail for old 9.4 JSONB format

pg_upgrade: have pg_upgrade fail for old 9.4 JSONB format

Backpatch through 9.4

Branch
------
REL9_4_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/6f1310024d20bdaf54edb1ab212c1428ebb300d4

Modified Files
--------------
contrib/pg_upgrade/check.c | 95 +++++++++++++++++++++++++++++++++++++++
contrib/pg_upgrade/pg_upgrade.h | 5 +++
2 files changed, 100 insertions(+)

--
Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-committers