#
# wsrep_log_conflicts
#
# save the initial value
SET @wsrep_log_conflicts_global_saved = @@global.wsrep_log_conflicts;
# default
SELECT @@global.wsrep_log_conflicts;
@@global.wsrep_log_conflicts
0

# scope
SELECT @@session.wsrep_log_conflicts;
ERROR HY000: Variable 'wsrep_log_conflicts' is a GLOBAL variable
SET @@global.wsrep_log_conflicts=OFF;
SELECT @@global.wsrep_log_conflicts;
@@global.wsrep_log_conflicts
0
SET @@global.wsrep_log_conflicts=ON;
SELECT @@global.wsrep_log_conflicts;
@@global.wsrep_log_conflicts
1

# valid values
SET @@global.wsrep_log_conflicts='OFF';
SELECT @@global.wsrep_log_conflicts;
@@global.wsrep_log_conflicts
0
SET @@global.wsrep_log_conflicts=ON;
SELECT @@global.wsrep_log_conflicts;
@@global.wsrep_log_conflicts
1
SET @@global.wsrep_log_conflicts=default;
SELECT @@global.wsrep_log_conflicts;
@@global.wsrep_log_conflicts
0

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

# restore the initial value
SET @@global.wsrep_log_conflicts = @wsrep_log_conflicts_global_saved;
# End of test