52 lines
1.4 KiB
Plaintext
52 lines
1.4 KiB
Plaintext
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SET @start_global_value = @@global.innodb_deadlock_detect;
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SELECT @start_global_value;
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#
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# exists as global
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#
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--echo Valid values are 'ON' and 'OFF'
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select @@global.innodb_deadlock_detect in (0, 1);
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select @@global.innodb_deadlock_detect;
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR
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select @@session.innodb_deadlock_detect in (0, 1);
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR
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select @@session.innodb_deadlock_detect;
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show global variables like 'innodb_deadlock_detect';
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show session variables like 'innodb_deadlock_detect';
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#
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# show that it's writable
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#
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set global innodb_deadlock_detect='OFF';
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--error ER_GLOBAL_VARIABLE
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set session innodb_deadlock_detect='OFF';
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select @@global.innodb_deadlock_detect;
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set @@global.innodb_deadlock_detect=1;
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select @@global.innodb_deadlock_detect;
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set global innodb_deadlock_detect=0;
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select @@global.innodb_deadlock_detect;
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set @@global.innodb_deadlock_detect='ON';
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select @@global.innodb_deadlock_detect;
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#
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# incorrect types
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#
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--error ER_WRONG_TYPE_FOR_VAR
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set global innodb_deadlock_detect=1.1;
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--error ER_WRONG_TYPE_FOR_VAR
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set global innodb_deadlock_detect=1e1;
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--error ER_WRONG_VALUE_FOR_VAR
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set global innodb_deadlock_detect=2;
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--error ER_WRONG_VALUE_FOR_VAR
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set global innodb_deadlock_detect='AUTO';
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set global innodb_deadlock_detect=-3;
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select @@global.innodb_deadlock_detect;
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#
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# Cleanup
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#
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SET @@global.innodb_deadlock_detect = @start_global_value;
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SELECT @@global.innodb_deadlock_detect;
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