--source include/not_embedded.inc SET @save_binlog_commit_wait_usec= @@GLOBAL.binlog_commit_wait_usec; SELECT @@GLOBAL.binlog_commit_wait_usec as 'check default'; --error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT @@SESSION.binlog_commit_wait_usec as 'no session var'; SET GLOBAL binlog_commit_wait_usec= 0; SET GLOBAL binlog_commit_wait_usec= DEFAULT; SET GLOBAL binlog_commit_wait_usec= 10000; SELECT @@GLOBAL.binlog_commit_wait_usec; SET GLOBAL binlog_commit_wait_usec = @save_binlog_commit_wait_usec;