#
# wsrep_desync
#
call mtr.add_suppression("WSREP: SET desync failed 9 for schema: test, query: SET @@global.wsrep_desync=ON");
# save the initial value
SET @wsrep_desync_global_saved = @@global.wsrep_desync;
# default
SELECT @@global.wsrep_desync;
@@global.wsrep_desync
0

# scope
SELECT @@session.wsrep_desync;
ERROR HY000: Variable 'wsrep_desync' is a GLOBAL variable
SET @@global.wsrep_desync=OFF;
SELECT @@global.wsrep_desync;
@@global.wsrep_desync
0
SET @@global.wsrep_desync=ON;
Got one of the listed errors
SELECT @@global.wsrep_desync;
@@global.wsrep_desync
0

# valid values
SET @@global.wsrep_desync='OFF';
SELECT @@global.wsrep_desync;
@@global.wsrep_desync
0
SET @@global.wsrep_desync=ON;
Got one of the listed errors
SELECT @@global.wsrep_desync;
@@global.wsrep_desync
0
SET @@global.wsrep_desync=default;
SELECT @@global.wsrep_desync;
@@global.wsrep_desync
0

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

# restore the initial value
SET @@global.wsrep_desync = @wsrep_desync_global_saved;
# End of test