#
# wsrep_data_home_dir (readonly)
#
# default
SELECT @@global.wsrep_data_home_dir;
@@global.wsrep_data_home_dir
DATADIR

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

# valid values
SET @@global.wsrep_data_home_dir='/tmp/data';
ERROR HY000: Variable 'wsrep_data_home_dir' is a read only variable
SELECT @@global.wsrep_data_home_dir;
@@global.wsrep_data_home_dir
DATADIR
SET @@global.wsrep_data_home_dir=default;
ERROR HY000: Variable 'wsrep_data_home_dir' is a read only variable
SELECT @@global.wsrep_data_home_dir;
@@global.wsrep_data_home_dir
DATADIR
# End of test