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SET @start_global_value = @@global.innodb_print_all_deadlocks;
SELECT @start_global_value;
@start_global_value
0
Valid values are 'ON' and 'OFF'
SELECT @@global.innodb_print_all_deadlocks in (0, 1);
@@global.innodb_print_all_deadlocks in (0, 1)
1
SELECT @@global.innodb_print_all_deadlocks;
@@global.innodb_print_all_deadlocks
0
SELECT @@session.innodb_print_all_deadlocks;
ERROR HY000: Variable 'innodb_print_all_deadlocks' is a GLOBAL variable
SHOW global variables LIKE 'innodb_print_all_deadlocks';
Variable_name Value
innodb_print_all_deadlocks OFF
SHOW session variables LIKE 'innodb_print_all_deadlocks';
Variable_name Value
innodb_print_all_deadlocks OFF
SELECT * FROM information_schema.global_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS OFF
SELECT * FROM information_schema.session_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS OFF
SET global innodb_print_all_deadlocks='OFF';
SELECT @@global.innodb_print_all_deadlocks;
@@global.innodb_print_all_deadlocks
0
SELECT * FROM information_schema.global_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS OFF
SELECT * FROM information_schema.session_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS OFF
SET @@global.innodb_print_all_deadlocks=1;
SELECT @@global.innodb_print_all_deadlocks;
@@global.innodb_print_all_deadlocks
1
SELECT * FROM information_schema.global_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS ON
SELECT * FROM information_schema.session_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS ON
SET global innodb_print_all_deadlocks=0;
SELECT @@global.innodb_print_all_deadlocks;
@@global.innodb_print_all_deadlocks
0
SELECT * FROM information_schema.global_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS OFF
SELECT * FROM information_schema.session_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS OFF
SET @@global.innodb_print_all_deadlocks='ON';
SELECT @@global.innodb_print_all_deadlocks;
@@global.innodb_print_all_deadlocks
1
SELECT * FROM information_schema.global_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS ON
SELECT * FROM information_schema.session_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS ON
SET session innodb_print_all_deadlocks='OFF';
ERROR HY000: Variable 'innodb_print_all_deadlocks' is a GLOBAL variable and should be set with SET GLOBAL
SET @@session.innodb_print_all_deadlocks='ON';
ERROR HY000: Variable 'innodb_print_all_deadlocks' is a GLOBAL variable and should be set with SET GLOBAL
SET global innodb_print_all_deadlocks=1.1;
ERROR 42000: Incorrect argument type to variable 'innodb_print_all_deadlocks'
SET global innodb_print_all_deadlocks=1e1;
ERROR 42000: Incorrect argument type to variable 'innodb_print_all_deadlocks'
SET global innodb_print_all_deadlocks=2;
ERROR 42000: Variable 'innodb_print_all_deadlocks' can't be set to the value of '2'
SET global innodb_print_all_deadlocks=-3;
ERROR 42000: Variable 'innodb_print_all_deadlocks' can't be set to the value of '-3'
SELECT @@global.innodb_print_all_deadlocks;
@@global.innodb_print_all_deadlocks
1
SELECT * FROM information_schema.global_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS ON
SELECT * FROM information_schema.session_variables
WHERE variable_name='innodb_print_all_deadlocks';
VARIABLE_NAME VARIABLE_VALUE
INNODB_PRINT_ALL_DEADLOCKS ON
SET global innodb_print_all_deadlocks='AUTO';
ERROR 42000: Variable 'innodb_print_all_deadlocks' can't be set to the value of 'AUTO'
SET @@global.innodb_print_all_deadlocks = @start_global_value;
SELECT @@global.innodb_print_all_deadlocks;
@@global.innodb_print_all_deadlocks
0
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