From a43032b863fbb89f97d7d9100a550adcea9d8d97 Mon Sep 17 00:00:00 2001
From: Jean-Marie RENOUARD <jmrenouard@gmail.com>
Date: Fri, 29 Jun 2018 14:06:42 +0200
Subject: [PATCH] #377 adding 0 as query cache efficiency for MySQL 8

---
 mysqltuner.pl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mysqltuner.pl b/mysqltuner.pl
index bb1fb1c..9807995 100755
--- a/mysqltuner.pl
+++ b/mysqltuner.pl
@@ -2484,7 +2484,9 @@ sub calculations {
     }
 
     # Query cache
-    if ( mysql_version_ge(4) ) {
+    if ( mysql_version_ge(8) and mysql_version_le(10) ) {
+        $mycalc{'query_cache_efficiency'} = 0;
+    } elsif ( mysql_version_ge(4) ) {
         $mycalc{'query_cache_efficiency'} = sprintf(
             "%.1f",
             (