1SET @start_value= @@global.log_syslog_include_pid; 2SET @@global.log_syslog_include_pid= DEFAULT; 3SELECT @@global.log_syslog_include_pid; 4@@global.log_syslog_include_pid 51 6SET @@global.log_syslog_include_pid= 0; 7SELECT @@global.log_syslog_include_pid; 8@@global.log_syslog_include_pid 90 10SET @@global.log_syslog_include_pid= 1; 11SELECT @@global.log_syslog_include_pid; 12@@global.log_syslog_include_pid 131 14SET @@global.log_syslog_include_pid= ON; 15SELECT @@global.log_syslog_include_pid; 16@@global.log_syslog_include_pid 171 18SET @@global.log_syslog_include_pid= OFF; 19SELECT @@global.log_syslog_include_pid; 20@@global.log_syslog_include_pid 210 22SET @@global.log_syslog_include_pid= 9; 23ERROR 42000: Variable 'log_syslog_include_pid' can't be set to the value of '9' 24SELECT @@global.log_syslog_include_pid; 25@@global.log_syslog_include_pid 260 27SET GLOBAL log_syslog_include_pid= 0.01; 28ERROR 42000: Incorrect argument type to variable 'log_syslog_include_pid' 29SET SESSION log_syslog_include_pid= 0; 30ERROR HY000: Variable 'log_syslog_include_pid' is a GLOBAL variable and should be set with SET GLOBAL 31SET LOCAL log_syslog_include_pid= 0; 32ERROR HY000: Variable 'log_syslog_include_pid' is a GLOBAL variable and should be set with SET GLOBAL 33SET @@global.log_syslog_include_pid= @start_value; 34