pgsql: Make FKs valid at creation when added as column constraints.

Make FKs valid at creation when added as column constraints.

Bug report from Alvaro Herrera

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/ec497a5ad6a0849efa3fb2fd05988bd8e0c0865d

Modified Files
--------------
src/backend/commands/tablecmds.c   |    2 +-
src/backend/nodes/copyfuncs.c      |    1 +
src/backend/nodes/equalfuncs.c     |    1 +
src/backend/nodes/outfuncs.c       |    1 +
src/backend/parser/gram.y          |    3 +++
src/backend/parser/parse_utilcmd.c |    1 +
src/include/nodes/parsenodes.h     |    1 +
7 files changed, 9 insertions(+), 1 deletions(-)