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