mariadb/mysql-test/suite/galera/t/galera_read_only.test

--source include/galera_cluster.inc
--source include/have_innodb.inc

#
# Ensure that the read_only option does not apply to Galera appliers and that replication
# continues, the way MySQL replication would.
#

CREATE TABLE t1 (id INT PRIMARY KEY) ENGINE=InnoDB;

--connection node_2
SET GLOBAL read_only=TRUE;

--connection node_1
INSERT INTO t1 VALUES (1);

--connection node_2
SELECT COUNT(*) = 1 FROM t1;

CREATE USER foo@localhost;
GRANT ALL ON test.* to foo@localhost;

--echo # Open connection to node 2 using 'foo' user.
--let $port_2= \$NODE_MYPORT_2
--connect(foo_node_2,127.0.0.1,foo,,test,$port_2,)

--echo
--echo # Connect with foo_node_2
--connection foo_node_2
--error ER_OPTION_PREVENTS_STATEMENT
INSERT INTO t1 VALUES (2);
# Writes to temporary tables are allowed
CREATE TEMPORARY TABLE t2(id int not null primary key) engine=innodb;
INSERT INTO t2 values (1);
DROP TABLE t2;

--connection node_2
SELECT COUNT(*) AS EXPECT_1 FROM t1;

--connection node_2
SET GLOBAL read_only=TRUE;
# Writes to temporary tables are allowed
CREATE TEMPORARY TABLE t2(id int not null primary key) engine=innodb;
INSERT INTO t2 values (1);
DROP TABLE t2;

# Cleanup
SET GLOBAL read_only=FALSE;
DROP TABLE t1;
DROP USER foo@localhost;