Log Message:
-----------
Avoid scanning the relcache during AtEOSubXact_RelationCache when there
is nothing to do, which is most of the time. This is another simple
improvement to cut subtransaction entry/exit overhead.
Modified Files:
--------------
pgsql/src/backend/utils/cache:
relcache.c (r1.211 -> r1.212)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/cache/relcache.c.diff?r1=1.211&r2=1.212)