Index: trunk/core/kernel/db/db_connection.php
===================================================================
diff -u -N -r8438 -r8441
--- trunk/core/kernel/db/db_connection.php	(.../db_connection.php)	(revision 8438)
+++ trunk/core/kernel/db/db_connection.php	(.../db_connection.php)	(revision 8441)
@@ -402,7 +402,8 @@
 				}
 				// set 2nd checkpoint: begin
 				if(!$isSkipTable) {
-					$first_cell = count($ret) == 1 && count($ret[0]) == 1 ? current($ret[0]) : null;
+					$first_cell = count($ret) == 1 && count(current($ret)) == 1 ? current(current($ret)) : null;
+
 					$debugger->profileFinish('sql_'.$queryID, null, null, $this->getAffectedRows(), $first_cell);
 					$debugger->profilerAddTotal('sql', 'sql_'.$queryID);
 				}