From f7140179a9644770e2fcc3bfbb3784efa83ca2fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Canna=C3=B2?= <rene.cannao@gmail.com>
Date: Mon, 11 Apr 2016 17:50:07 +0000
Subject: [PATCH] Minor optimization in
 Query_Processor::update_query_processor_stats()

---
 lib/Query_Processor.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/Query_Processor.cpp b/lib/Query_Processor.cpp
index 3c1bca9fa..8722c5ba4 100644
--- a/lib/Query_Processor.cpp
+++ b/lib/Query_Processor.cpp
@@ -861,8 +861,10 @@ void Query_Processor::update_query_processor_stats() {
 	spin_rdunlock(&rwlock);
 	for (int i=0; i<MYSQL_COM_QUERY___NONE; i++) {
 		for (int j=0; j<13; j++) {
-			__sync_fetch_and_add(&commands_counters[i]->counters[j],_thr_commands_counters[i]->counters[j]);
-			_thr_commands_counters[i]->counters[j]=0;
+			if (_thr_commands_counters[i]->counters[j]) {
+				__sync_fetch_and_add(&commands_counters[i]->counters[j],_thr_commands_counters[i]->counters[j]);
+				_thr_commands_counters[i]->counters[j]=0;
+			}
 		}
 		__sync_fetch_and_add(&commands_counters[i]->total_time,_thr_commands_counters[i]->total_time);
 		_thr_commands_counters[i]->total_time=0;