--source include/not_embedded.inc SET @save_binlog_commit_wait_count= @@GLOBAL.binlog_commit_wait_count; SELECT @@GLOBAL.binlog_commit_wait_count as 'must be zero because of default'; --error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT @@SESSION.binlog_commit_wait_count as 'no session var'; SET GLOBAL binlog_commit_wait_count= 0; SET GLOBAL binlog_commit_wait_count= DEFAULT; SET GLOBAL binlog_commit_wait_count= 10; SELECT @@GLOBAL.binlog_commit_wait_count; SET GLOBAL binlog_commit_wait_count = @save_binlog_commit_wait_count;