Thread: pgsql: Change pg_upgrade to use port 50432 by default to avoid unintend

Change pg_upgrade to use port 50432 by default to avoid unintended
client connections during the upgrade.  Also rename data/bin/port
environment variables to being with 'PG'.  Also no longer honor PGPORT.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/a88f4496b75a756df371a405ce608ceb06c8fbd7

Modified Files
--------------
contrib/pg_upgrade/check.c      |    3 +++
contrib/pg_upgrade/option.c     |   28 ++++++++++++++--------------
contrib/pg_upgrade/pg_upgrade.h |    3 +++
doc/src/sgml/pgupgrade.sgml     |   26 +++++++++++++++-----------
4 files changed, 35 insertions(+), 25 deletions(-)