# # wsrep_gtid_mode # # save the initial value SET @wsrep_gtid_mode_global_saved = @@global.wsrep_gtid_mode; # default SELECT @@global.wsrep_gtid_mode; @@global.wsrep_gtid_mode 0 SELECT @@session.wsrep_gtid_mode; ERROR HY000: Variable 'wsrep_gtid_mode' is a GLOBAL variable # scope and valid values SET @@global.wsrep_gtid_mode=OFF; SELECT @@global.wsrep_gtid_mode; @@global.wsrep_gtid_mode 0 SET @@global.wsrep_gtid_mode=ON; SELECT @@global.wsrep_gtid_mode; @@global.wsrep_gtid_mode 1 # invalid values SET @@global.wsrep_gtid_mode=NULL; ERROR 42000: Variable 'wsrep_gtid_mode' can't be set to the value of 'NULL' SET @@global.wsrep_gtid_mode='junk'; ERROR 42000: Variable 'wsrep_gtid_mode' can't be set to the value of 'junk' # restore the initial value SET @@global.wsrep_gtid_mode = @wsrep_gtid_mode_global_saved; # End of test