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SELECT COUNT(@@GLOBAL.innodb_log_optimize_ddl);
COUNT(@@GLOBAL.innodb_log_optimize_ddl)
1
1 Expected
SELECT COUNT(@@SESSION.innodb_log_optimize_ddl);
ERROR HY000: Variable 'innodb_log_optimize_ddl' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT @@GLOBAL.innodb_log_optimize_ddl;
@@GLOBAL.innodb_log_optimize_ddl
1
SELECT @@GLOBAL.innodb_log_optimize_ddl INTO @innodb_log_optimize_ddl_save;
SET @@GLOBAL.innodb_log_optimize_ddl = ON;
SET @@GLOBAL.innodb_log_optimize_ddl = OFF;
SET @@GLOBAL.innodb_log_optimize_ddl = 13;
ERROR 42000: Variable 'innodb_log_optimize_ddl' can't be set to the value of '13'
SET @@GLOBAL.innodb_log_optimize_ddl = 'ABC';
ERROR 42000: Variable 'innodb_log_optimize_ddl' can't be set to the value of 'ABC'
SELECT @@GLOBAL.innodb_log_optimize_ddl = 0
OR @@GLOBAL.innodb_log_optimize_ddl = 1 AS col;
col
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1 Expected
SELECT @@innodb_log_optimize_ddl = @@GLOBAL.innodb_log_optimize_ddl AS col;
col
1
1 Expected
SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_log_optimize_ddl';
VARIABLE_VALUE
OFF
SHOW VARIABLES WHERE VARIABLE_NAME='innodb_log_optimize_ddl';
Variable_name Value
innodb_log_optimize_ddl OFF
SELECT @@local.innodb_log_optimize_ddl;
ERROR HY000: Variable 'innodb_log_optimize_ddl' is a GLOBAL variable
Expected error 'Variable is a GLOBAL variable'
SELECT innodb_log_optimize_ddl;
ERROR 42S22: Unknown column 'innodb_log_optimize_ddl' in 'field list'
SET GLOBAL innodb_log_optimize_ddl = @innodb_log_optimize_ddl_save;
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