SET @global_start_value = @@global.init_connect;
SELECT @global_start_value AS INIT_VALUE;
INIT_VALUE

'#--------------------FN_DYNVARS_036_01------------------#'
SELECT init_connect;
ERROR 42S22: Unknown column 'init_connect' in 'field list'
SELECT @@init_connect;
@@init_connect

SET @@global.init_connect='SET autocomit=0';
SELECT @@global.init_connect;
@@global.init_connect
SET autocomit=0
SET global init_connect='SET autocomit=0';
SELECT global init_connect;
ERROR 42S22: Unknown column 'global' in 'field list'
SELECT @@global init_connect;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'init_connect' at line 1
'#--------------------FN_DYNVARS_036_02-------------------------#'
SET @@global.init_connect = 'SET join_buffer_size=8200';
SET @@global.init_connect = DEFAULT;
SELECT @@global.init_connect;
@@global.init_connect

'#--------------------FN_DYNVARS_036_03-------------------------#'
SET @@session.init_connect = '';
ERROR HY000: Variable 'init_connect' is a GLOBAL variable and should be set with SET GLOBAL
SET @@init_connect = '';
ERROR HY000: Variable 'init_connect' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@session.init_connect;
ERROR HY000: Variable 'init_connect' is a GLOBAL variable
SELECT @@local.init_connect;
ERROR HY000: Variable 'init_connect' is a GLOBAL variable
'#--------------------FN_DYNVARS_036_04-------------------------#'
SET @@global.init_connect="";
SELECT @@global.init_connect;
@@global.init_connect

SET @@global.init_connect='SELECT 1,"abc"';
SELECT @@global.init_connect;
@@global.init_connect
SELECT 1,"abc"
SET @@global.init_connect='SET @yoursql="mysql"';
SELECT @@global.init_connect;
@@global.init_connect
SET @yoursql="mysql"
SET @@global.init_connect="SET autocomit=0;REVOKE ALL ON INFORMATION_SCHEMA.*";
SELECT @@global.init_connect;
@@global.init_connect
SET autocomit=0;REVOKE ALL ON INFORMATION_SCHEMA.*
SET @@global.init_connect='SHOW VARIABLES';
SELECT @@global.init_connect;
@@global.init_connect
SHOW VARIABLES
SET @@global.init_connect = NULL;
SELECT @@global.init_connect;
@@global.init_connect

SET @@global.init_connect='abc 123 +-*/';
SELECT @@global.init_connect;
@@global.init_connect
abc 123 +-*/
SET @@global.init_connect=this_will_give_syntax_error;
SELECT @@global.init_connect;
@@global.init_connect
this_will_give_syntax_error
SET @@global.init_connect = init_slave;
SELECT @@global.init_connect;
@@global.init_connect
init_slave
'#--------------------FN_DYNVARS_036_05-------------------------#'
SET @@global.init_connect = true;
ERROR 42000: Incorrect argument type to variable 'init_connect'
SET @@global.init_connect = false;
ERROR 42000: Incorrect argument type to variable 'init_connect'
SET @@global.init_connect = 1.1;
ERROR 42000: Incorrect argument type to variable 'init_connect'
SET @@global.init_connect = 0;
ERROR 42000: Incorrect argument type to variable 'init_connect'
SET @@global.init_connect = 1;
ERROR 42000: Incorrect argument type to variable 'init_connect'
SET @@global.init_connect = -1;
ERROR 42000: Incorrect argument type to variable 'init_connect'
SET @@global.init_connect = ON;
SELECT @@global.init_connect;
@@global.init_connect
ON
'#--------------------FN_DYNVARS_036_06-------------------------#'
SELECT @@global.init_connect = (SELECT VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='init_connect') AS res;
res
1
SET @@global.init_connect = @global_start_value;
SELECT @@global.init_connect;
@@global.init_connect