1SET @start_value= @@global.log_syslog_tag; 2SET @@global.log_syslog_tag= DEFAULT; 3SELECT @@global.log_syslog_tag; 4@@global.log_syslog_tag 5 6SET @@global.log_syslog_tag="production"; 7SELECT @@global.log_syslog_tag; 8@@global.log_syslog_tag 9production 10SET @@global.log_syslog_tag= ""; 11SELECT @@global.log_syslog_tag; 12@@global.log_syslog_tag 13 14SET @@global.log_syslog_tag= 9; 15ERROR 42000: Incorrect argument type to variable 'log_syslog_tag' 16SET @@global.log_syslog_tag= "path/like"; 17ERROR 42000: Variable 'log_syslog_tag' can't be set to the value of 'path/like' 18SET GLOBAL log_syslog_tag= 0.01; 19ERROR 42000: Incorrect argument type to variable 'log_syslog_tag' 20SET SESSION log_syslog_tag= "staging"; 21ERROR HY000: Variable 'log_syslog_tag' is a GLOBAL variable and should be set with SET GLOBAL 22SET LOCAL log_syslog_tag= "staging"; 23ERROR HY000: Variable 'log_syslog_tag' is a GLOBAL variable and should be set with SET GLOBAL 24SET @@global.log_syslog_tag= @start_value; 25