#
# wsrep_node_name
#
call mtr.add_suppression("WSREP: Failed to get provider options");
# save the initial value
SET @wsrep_node_name_global_saved = @@global.wsrep_node_name;
# default (expect 1)
SELECT COUNT(@@global.wsrep_node_name);
COUNT(@@global.wsrep_node_name)
1

# scope
SELECT @@session.wsrep_node_name;
ERROR HY000: Variable 'wsrep_node_name' is a GLOBAL variable
SET @@global.wsrep_node_name='node_name';
SELECT @@global.wsrep_node_name;
@@global.wsrep_node_name
node_name

# valid values
SET @@global.wsrep_node_name='my_node';
SELECT @@global.wsrep_node_name;
@@global.wsrep_node_name
my_node
SET @@global.wsrep_node_name='hyphenated-node-name';
SELECT @@global.wsrep_node_name;
@@global.wsrep_node_name
hyphenated-node-name
SET @@global.wsrep_node_name=default;
# default (expect 1)
SELECT COUNT(@@global.wsrep_node_name);
COUNT(@@global.wsrep_node_name)
1

# invalid values
SET @@global.wsrep_node_name=NULL;
ERROR 42000: Variable 'wsrep_node_name' can't be set to the value of 'NULL'
SELECT COUNT(@@global.wsrep_node_name);
COUNT(@@global.wsrep_node_name)
1
SET @@global.wsrep_node_name=1;
ERROR 42000: Incorrect argument type to variable 'wsrep_node_name'
SELECT COUNT(@@global.wsrep_node_name);
COUNT(@@global.wsrep_node_name)
1
#
# MDEV-6699 : wsrep_node_name not automaticly set to hostname
#
SET @@global.wsrep_node_name=default;
SELECT @@GLOBAL.wsrep_node_name = VARIABLE_VALUE FROM
INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='hostname';
@@GLOBAL.wsrep_node_name = VARIABLE_VALUE
1
SELECT @@GLOBAL.wsrep_node_name = VARIABLE_VALUE FROM
INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='wsrep_node_name';
@@GLOBAL.wsrep_node_name = VARIABLE_VALUE
1

# restore the initial value
SET @@global.wsrep_node_name = @wsrep_node_name_global_saved;
# End of test