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SET @global_start_value = @@global.init_slave;
SELECT @global_start_value AS INIT_VALUE;
INIT_VALUE
'#--------------------FN_DYNVARS_037_01------------------#'
SELECT init_slave;
ERROR 42S22: Unknown column 'init_slave' in 'field list'
SELECT @@init_slave;
@@init_slave
SET @@global.init_slave='SET autocomit=0';
SELECT @@global.init_slave;
@@global.init_slave
SET autocomit=0
SET global init_slave='SET autocomit=0';
SELECT global init_slave;
ERROR 42S22: Unknown column 'global' in 'field list'
SELECT @@global init_slave;
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_slave' at line 1
'#--------------------FN_DYNVARS_037_02-------------------------#'
SET @@global.init_slave = 'SET join_buffer_size=8200';
SET @@global.init_slave = DEFAULT;
SELECT @@global.init_slave;
@@global.init_slave
'#--------------------FN_DYNVARS_037_03-------------------------#'
SET @@session.init_slave = '';
ERROR HY000: Variable 'init_slave' is a GLOBAL variable and should be set with SET GLOBAL
SET @@init_slave = "";
ERROR HY000: Variable 'init_slave' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@session.init_slave;
ERROR HY000: Variable 'init_slave' is a GLOBAL variable
SELECT @@local.init_slave;
ERROR HY000: Variable 'init_slave' is a GLOBAL variable
'#--------------------FN_DYNVARS_037_04-------------------------#'
SET @@global.init_slave="";
SELECT @@global.init_slave;
@@global.init_slave
SET @@global.init_slave='SELECT 1,"abc"';
SELECT @@global.init_slave;
@@global.init_slave
SELECT 1,"abc"
SET @@global.init_slave='SET @a="b"';
SELECT @@global.init_slave;
@@global.init_slave
SET @a="b"
SET @@global.init_slave="SET autocomit=1;REVOKE ALL ON INFORMATION_SCHEMA.*";
SELECT @@global.init_slave;
@@global.init_slave
SET autocomit=1;REVOKE ALL ON INFORMATION_SCHEMA.*
SET @@global.init_slave='SHOW VARIABLES';
SELECT @@global.init_slave;
@@global.init_slave
SHOW VARIABLES
SET @@global.init_slave = NULL;
SELECT @@global.init_slave;
@@global.init_slave
SET @@global.init_slave='abc 123 +-*/';
SELECT @@global.init_slave;
@@global.init_slave
abc 123 +-*/
SET @@global.init_slave=this_will_give_syntax_error;
SELECT @@global.init_slave;
@@global.init_slave
this_will_give_syntax_error
SET @@global.init_slave = init_slave;
SELECT @@global.init_slave;
@@global.init_slave
init_slave
'#--------------------FN_DYNVARS_037_05-------------------------#'
SET @@global.init_slave = true;
ERROR 42000: Incorrect argument type to variable 'init_slave'
SET @@global.init_slave = false;
ERROR 42000: Incorrect argument type to variable 'init_slave'
SET @@global.init_slave = 1.1;
ERROR 42000: Incorrect argument type to variable 'init_slave'
SET @@global.init_slave = 0;
ERROR 42000: Incorrect argument type to variable 'init_slave'
SET @@global.init_slave = 1;
ERROR 42000: Incorrect argument type to variable 'init_slave'
SET @@global.init_slave = -1;
ERROR 42000: Incorrect argument type to variable 'init_slave'
SET @@global.init_slave = ON;
SELECT @@global.init_slave;
@@global.init_slave
ON
'#--------------------FN_DYNVARS_037_06-------------------------#'
SELECT @@global.init_slave = (SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='init_slave') AS res;
res
1
SET @@global.init_slave = @global_start_value;
SELECT @@global.init_slave;
@@global.init_slave
|
