1 files changed, 31 insertions, 0 deletions
diff --git a/mysql-test/suite/galera/t/galera_rsu_error.test b/mysql-test/suite/galera/t/galera_rsu_error.test
new file mode 100644
index 00000000000..cad8154ac76
--- /dev/null
+++ b/mysql-test/suite/galera/t/galera_rsu_error.test
@@ -0,0 +1,31 @@
+#
+# Test DDL errors under Rolling Schema Upgrade
+#
+
+--source include/galera_cluster.inc
+--source include/have_innodb.inc
+
+CREATE TABLE t1 (f1 INTEGER) Engine=InnoDB;
+INSERT INTO t1 VALUES (1), (1);
+
+--connection node_2
+SET SESSION wsrep_OSU_method = "RSU";
+--error ER_DUP_ENTRY
+ALTER TABLE t1 ADD PRIMARY KEY (f1);
+SET SESSION wsrep_OSU_method = "TOI";
+
+# The ALTER has no effect
+SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE TABLE_NAME = 't1';
+
+INSERT INTO t1 VALUES (1);
+
+--connection node_1
+SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE TABLE_NAME = 't1';
+SELECT COUNT(*) = 3 FROM t1;
+
+INSERT INTO t1 VALUES (1);
+
+--connection node_2
+SELECT COUNT(3) = 4 FROM t1;
+
+DROP TABLE t1;