diff -ru zabbix-2.2.2/src/libs/zbxdbcache/valuecache.c zabbix-2.2.2.limit/src/libs/zbxdbcache/valuecache.c
--- zabbix-2.2.2/src/libs/zbxdbcache/valuecache.c	2014-02-12 02:04:36.000000000 -0700
+++ zabbix-2.2.2.limit/src/libs/zbxdbcache/valuecache.c	2014-03-06 15:07:07.555695919 -0700
@@ -428,7 +428,7 @@
 		zbx_strcpy_alloc(&sql, &sql_alloc, &sql_offset, " order by clock desc,ns desc");
 
 		if (1 == direct)
-			result = DBselectN(sql, count);
+			result = DBselectN(sql, count - values->values_num);
 		else
 			result = DBselect("%s", sql);
 
@@ -1252,7 +1252,7 @@
 	/* Read the item values from database */
 	if (NULL != ts)
 	{
-		ret = vc_db_read_values_by_count(itemid, value_type, values, 1, now, ts, 0);
+		ret = vc_db_read_values_by_count(itemid, value_type, values, 1, now, ts, 1);
 	}
 	else if (0 == count)
 	{
@@ -1265,7 +1265,7 @@
 		if (1 == count)
 			count++;
 
-		ret = vc_db_read_values_by_count(itemid, value_type, values, count, now, &ts, 0);
+		ret = vc_db_read_values_by_count(itemid, value_type, values, count, now, &ts, 1);
 	}
 
 	if (SUCCEED == ret)