Log Message:
-----------
Repair problems with the result of lookup_rowtype_tupdesc() possibly being
discarded by cache flush while still in use. This is a minimal patch that
just copies the tupdesc anywhere it could be needed across a flush. Applied
to back branches only; Neil Conway is working on a better long-term solution
for HEAD.

Tags:
----
REL8_0_STABLE

Modified Files:
--------------
pgsql/src/backend/access/heap:
tuptoaster.c (r1.47 -> r1.47.4.1)
(http://developer.postgresql.org/cvsw...47&r2=1.47.4.1)
pgsql/src/backend/parser:
parse_coerce.c (r2.126.4.1 -> r2.126.4.2)
(http://developer.postgresql.org/cvsw...1&r2=2.126.4.2)
parse_target.c (r1.129.4.1 -> r1.129.4.2)
(http://developer.postgresql.org/cvsw...1&r2=1.129.4.2)
pgsql/src/backend/utils/adt:
rowtypes.c (r1.8.4.2 -> r1.8.4.3)
(http://developer.postgresql.org/cvsw...4.2&r2=1.8.4.3)
ruleutils.c (r1.188.4.2 -> r1.188.4.3)
(http://developer.postgresql.org/cvsw...2&r2=1.188.4.3)
pgsql/src/backend/utils/cache:
typcache.c (r1.11 -> r1.11.4.1)
(http://developer.postgresql.org/cvsw...11&r2=1.11.4.1)
pgsql/src/pl/plperl:
plperl.c (r1.67.4.4 -> r1.67.4.5)
(http://developer.postgresql.org/cvsw....4&r2=1.67.4.5)
pgsql/src/pl/plpgsql/src:
pl_exec.c (r1.127.4.4 -> r1.127.4.5)
(http://developer.postgresql.org/cvsw...4&r2=1.127.4.5)
pgsql/src/pl/plpython:
plpython.c (r1.58.4.4 -> r1.58.4.5)
(http://developer.postgresql.org/cvsw....4&r2=1.58.4.5)
pgsql/src/pl/tcl:
pltcl.c (r1.94 -> r1.94.4.1)
(http://developer.postgresql.org/cvsw...94&r2=1.94.4.1)

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