From f7f27545040d0fc45442b2fbbca0e53815a22584 Mon Sep 17 00:00:00 2001
From: Jean-Marie RENOUARD <jmrenouard@gmail.com>
Date: Wed, 2 Sep 2015 14:48:48 +0200
Subject: [PATCH] Issue #121: setting value when value is NULL

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

diff --git a/mysqltuner.pl b/mysqltuner.pl
index 433013d..a43b166 100755
--- a/mysqltuner.pl
+++ b/mysqltuner.pl
@@ -1619,7 +1619,10 @@ sub check_storage_engines {
      # Parse through the table list to generate storage engine counts/statistics
         $fragtables = 0;
         foreach my $tbl (@tblist) {
+            debugprint "Data dump ". Dumper (@$tbl);
             my ( $engine, $size, $datafree ) = @$tbl;
+            $size=0 if $size eq 'NULL';
+            $datafree=0 if $datafree eq 'NULL';
             if ( defined $enginestats{$engine} ) {
                 $enginestats{$engine} += $size;
                 $enginecount{$engine} += 1;