Merge pilot.blaudden:/home/msvensson/mysql/bug27438/my51-bug27438

into  pilot.blaudden:/home/msvensson/mysql/mysql-5.1-new-maint

mysql-test/r/rpl_rotate_logs.result

@@ -50,7 +50,10 @@ show binary logs;
 Log_name	File_size
 master-bin.000002	371
 master-bin.000003	415
-purge master logs before now();
+select @time_for_purge:=DATE_ADD(UPDATE_TIME, INTERVAL 1 SECOND)
+from information_schema.tables
+where TABLE_SCHEMA="test" and TABLE_NAME="t2";
+purge master logs before (@time_for_purge);
 show binary logs;
 Log_name	File_size
 master-bin.000003	415

mysql-test/t/rpl_rotate_logs.test

@@ -110,9 +110,18 @@ show master logs;
 # we just tests if synonyms are accepted
 purge binary logs to 'master-bin.000002';
 show binary logs;
-# sleeping 10 seconds or more would make the slave believe connection is down
---real_sleep 1
-purge master logs before now();
+
+# Calculate time to use in "purge master logs before" by taking
+# last modification time of t2 and adding 1 second
+# This is donw in order to handle the case where file system
+# time differs from mysqld's time
+--disable_result_log
+select @time_for_purge:=DATE_ADD(UPDATE_TIME, INTERVAL 1 SECOND)
+  from information_schema.tables
+    where TABLE_SCHEMA="test" and TABLE_NAME="t2";
+--enable_result_log
+
+purge master logs before (@time_for_purge);
 show binary logs;
 insert into t2 values (65);
 sync_slave_with_master;