Index: core/kernel/db/db_connection.php
===================================================================
--- core/kernel/db/db_connection.php
+++ core/kernel/db/db_connection.php
@@ -530,11 +530,13 @@
 					}
 				}
 
+				$this->Destroy();
+
 				// set 2nd checkpoint: begin
 				if ( $this->_captureStatistics ) {
 					$query_time = microtime(true) - $start_time;
 
-					if ( $query_time > DBG_MAX_SQL_TIME ) {
+					if ( $query_time > DBG_MAX_SQL_TIME && !$no_debug ) {
 						$this->Application->logSlowQuery($sql, $query_time);
 					}
 
@@ -542,8 +544,6 @@
 				}
 				// set 2nd checkpoint: end
 
-				$this->Destroy();
-
 				return $ret;
 			}
 			else {
@@ -590,7 +590,7 @@
 				if ( $this->_captureStatistics ) {
 					$query_time = microtime(true) - $start_time;
 
-					if ( $query_time > DBG_MAX_SQL_TIME ) {
+					if ( $query_time > DBG_MAX_SQL_TIME && !$no_debug ) {
 						$this->Application->logSlowQuery($sql, $query_time);
 					}