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--source include/have_wsrep.inc
--echo #
--echo # wsrep_cluster_name
--echo #
--echo # save the initial value
SET @wsrep_cluster_name_global_saved = @@global.wsrep_cluster_name;
--echo # default
SELECT @@global.wsrep_cluster_name;
--echo
--echo # scope
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.wsrep_cluster_name;
SET @@global.wsrep_cluster_name='my_galera_cluster';
SELECT @@global.wsrep_cluster_name;
--echo
--echo # valid values
SET @@global.wsrep_cluster_name='my_quoted_galera_cluster';
SELECT @@global.wsrep_cluster_name;
SET @@global.wsrep_cluster_name=my_unquoted_cluster;
SELECT @@global.wsrep_cluster_name;
SET @@global.wsrep_cluster_name=OFF;
SELECT @@global.wsrep_cluster_name;
SET @@global.wsrep_cluster_name=default;
SELECT @@global.wsrep_cluster_name;
--echo
--echo # invalid values
--error ER_WRONG_VALUE_FOR_VAR
SET @@global.wsrep_cluster_name=NULL;
--echo
--echo # restore the initial value
SET @@global.wsrep_cluster_name = @wsrep_cluster_name_global_saved;
--echo # End of test
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