From 371dc336ea3210c00d4f37d6b77f9757f7eb2ec9 Mon Sep 17 00:00:00 2001
From: Philip Stoev <philip.stoev@galeracluster.com>
Date: Mon, 24 Aug 2015 06:56:30 -0700
Subject: [PATCH] refs codership/mysql-wsrep#90 MTR test case for
 mysql-wsrep#90

---
 .../suite/galera/r/mysql-wsrep#90.result      | 31 +++++++++
 mysql-test/suite/galera/t/mysql-wsrep#90.test | 65 +++++++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 mysql-test/suite/galera/r/mysql-wsrep#90.result
 create mode 100644 mysql-test/suite/galera/t/mysql-wsrep#90.test

diff --git a/mysql-test/suite/galera/r/mysql-wsrep#90.result b/mysql-test/suite/galera/r/mysql-wsrep#90.result
new file mode 100644
index 00000000000..da57b9d0068
--- /dev/null
+++ b/mysql-test/suite/galera/r/mysql-wsrep#90.result
@@ -0,0 +1,31 @@
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB;
+SET GLOBAL wsrep_OSU_method = "RSU";
+SET DEBUG_SYNC = 'alter_table_before_open_tables WAIT_FOR continue';
+ALTER TABLE t1 ADD COLUMN f2 INTEGER;;
+SET SESSION wsrep_sync_wait = 0;
+SET GLOBAL wsrep_OSU_method = "TOI";
+SET DEBUG_SYNC= 'now SIGNAL continue';
+SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 't1';
+COUNT(*) = 2
+1
+SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 't1';
+COUNT(*) = 2
+1
+DROP TABLE t1;
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB;
+SET GLOBAL wsrep_OSU_method = "TOI";
+SET DEBUG_SYNC = 'alter_table_before_open_tables WAIT_FOR continue';
+ALTER TABLE t1 ADD COLUMN f2 INTEGER;;
+SET SESSION wsrep_sync_wait = 0;
+SET GLOBAL wsrep_OSU_method = "RSU";
+SET DEBUG_SYNC= 'now SIGNAL continue';
+SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 't1';
+COUNT(*) = 2
+1
+INSERT INTO t1 VALUES (1,2);
+SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 't1';
+COUNT(*) = 2
+1
+INSERT INTO t1 VALUES (3,4);
+DROP TABLE t1;
+SET GLOBAL WSREP_OSU_METHOD = TOI;
diff --git a/mysql-test/suite/galera/t/mysql-wsrep#90.test b/mysql-test/suite/galera/t/mysql-wsrep#90.test
new file mode 100644
index 00000000000..5af86fb2872
--- /dev/null
+++ b/mysql-test/suite/galera/t/mysql-wsrep#90.test
@@ -0,0 +1,65 @@
+# Crash in galera_to_execute_end when wsrep_OSU_method is changed from RSU to TOI during a DDL
+
+--source include/galera_cluster.inc
+--source include/have_innodb.inc
+--source include/have_debug_sync.inc
+
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB;
+
+--connection node_1
+SET GLOBAL wsrep_OSU_method = "RSU";
+SET DEBUG_SYNC = 'alter_table_before_open_tables WAIT_FOR continue';
+--send ALTER TABLE t1 ADD COLUMN f2 INTEGER;
+
+
+--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
+--connection node_1a
+SET SESSION wsrep_sync_wait = 0;
+--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE = 'debug sync point: alter_table_before_open_tables'
+--source include/wait_condition.inc
+
+SET GLOBAL wsrep_OSU_method = "TOI";
+SET DEBUG_SYNC= 'now SIGNAL continue';
+
+--connection node_1
+--reap
+
+SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 't1';
+
+--connection node_2
+SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 't1';
+
+--connection node_1
+DROP TABLE t1;
+
+
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB;
+
+--connection node_1
+SET GLOBAL wsrep_OSU_method = "TOI";
+SET DEBUG_SYNC = 'alter_table_before_open_tables WAIT_FOR continue';
+--send ALTER TABLE t1 ADD COLUMN f2 INTEGER;
+
+--connection node_1a
+SET SESSION wsrep_sync_wait = 0;
+
+--let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE = 'debug sync point: alter_table_before_open_tables'
+--source include/wait_condition.inc
+
+SET GLOBAL wsrep_OSU_method = "RSU";
+SET DEBUG_SYNC= 'now SIGNAL continue';
+
+--connection node_1
+--reap
+
+SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 't1';
+INSERT INTO t1 VALUES (1,2);
+
+--connection node_2
+SELECT COUNT(*) = 2 FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 't1';
+INSERT INTO t1 VALUES (3,4);
+
+--connection node_1
+DROP TABLE t1;
+
+SET GLOBAL WSREP_OSU_METHOD = TOI;