From 4a0f2563d3d1747a4704e6241380071efbeb3882 Mon Sep 17 00:00:00 2001
From: Sergei Golubchik <sergii@pisem.net>
Date: Wed, 8 May 2013 14:32:32 +0200
Subject: MDEV-4462 mysqld gets SIGFPE when mysql.user table is empty

avoid divison by zero
---
 mysql-test/t/empty_user_table.test | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 mysql-test/t/empty_user_table.test

(limited to 'mysql-test/t/empty_user_table.test')

diff --git a/mysql-test/t/empty_user_table.test b/mysql-test/t/empty_user_table.test
new file mode 100644
index 00000000000..7e672cc64f6
--- /dev/null
+++ b/mysql-test/t/empty_user_table.test
@@ -0,0 +1,18 @@
+#
+# MDEV-4462 mysqld gets SIGFPE when mysql.user table is empty
+#
+
+source include/not_embedded.inc;
+
+create table t1 as select * from mysql.user;
+truncate table mysql.user;
+flush privileges;
+
+--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
+--error ER_ACCESS_DENIED_ERROR
+connect (fail,localhost,u1);
+
+insert mysql.user select * from t1;
+drop table t1;
+flush privileges;
+
-- 
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