Log Message:
-----------
Make RecordTransactionCommit() respect wal_level.
Since the only purpose of WAL-loggin SharedInvalidationMessages is to support
Hot Standby operation, they needn't be included when wal_level < hot_standby.
Back-patch to 9.0.
Review by Heikki Linnakanagas and Fujii Masao.
Modified Files:
--------------
pgsql/src/backend/access/transam:
xact.c (r1.296 -> r1.297)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xact.c?r1=1.296&r2=1.297)