Log Message:
-----------
Use the new TimestampDifferenceExceeds API instead of timestamp_cmp_internal
and TimestampDifference, to make coding clearer. I think this should also fix
the failure to start workers in platforms with low resolution timers, as
reported by Itagaki Takahiro.
Modified Files:
--------------
pgsql/src/backend/postmaster:
autovacuum.c (r1.43 -> r1.44)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/autovacuum.c.diff?r1=1.43&r2=1.44)