#
# wsrep_cluster_address
#
# save the initial value
SET @wsrep_cluster_address_global_saved = @@global.wsrep_cluster_address;
# default
SELECT @@global.wsrep_cluster_address;
@@global.wsrep_cluster_address


# scope
SELECT @@session.wsrep_cluster_address;
ERROR HY000: Variable 'wsrep_cluster_address' is a GLOBAL variable
SELECT @@global.wsrep_cluster_address;
@@global.wsrep_cluster_address


# valid values
SET @@global.wsrep_cluster_address='127.0.0.1';
SELECT @@global.wsrep_cluster_address;
@@global.wsrep_cluster_address
127.0.0.1
SET @@global.wsrep_cluster_address=AUTO;
SELECT @@global.wsrep_cluster_address;
@@global.wsrep_cluster_address
AUTO
SET @@global.wsrep_cluster_address=default;
SELECT @@global.wsrep_cluster_address;
@@global.wsrep_cluster_address


# invalid values
SET @@global.wsrep_node_address=NULL;
ERROR 42000: Variable 'wsrep_node_address' can't be set to the value of 'NULL'
SELECT @@global.wsrep_node_address;
@@global.wsrep_node_address

SET @@global.wsrep_cluster_address=ON;
SELECT @@global.wsrep_cluster_address;
@@global.wsrep_cluster_address
ON
SET @@global.wsrep_cluster_address='OFF';
SELECT @@global.wsrep_cluster_address;
@@global.wsrep_cluster_address
OFF
SET @@global.wsrep_cluster_address='junk';
SELECT @@global.wsrep_cluster_address;
@@global.wsrep_cluster_address
junk

# restore the initial value
SET @@global.wsrep_cluster_address = @wsrep_cluster_address_global_saved;
# End of test