1 files changed, 23 insertions, 0 deletions
diff --git a/mysql-test/suite/federated/net_thd_crash-12951.test b/mysql-test/suite/federated/net_thd_crash-12951.test
new file mode 100644
index 00000000000..81cd826686e
--- /dev/null
+++ b/mysql-test/suite/federated/net_thd_crash-12951.test
@@ -0,0 +1,23 @@
+#
+# MDEV-12951 Server crash [mysqld got exception 0xc0000005]
+#
+
+--source include/have_innodb.inc
+ 
+set global query_cache_size= 16*1024*1024;
+set global query_cache_type= 1;
+ 
+create table t1 (i int) engine=innodb;
+--replace_result $MASTER_MYPORT MASTER_MYPORT
+eval create table t2 (i int) engine=federated 
+  CONNECTION="mysql://root@localhost:$MASTER_MYPORT/test/t1";
+ 
+select * from t2;
+
+source include/restart_mysqld.inc;
+
+drop table t2;
+drop table t1;
+
+set global query_cache_type= default;
+set global query_cache_size= default;