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BUG#23477773 OPTION TO TURN OFF/ON DEADLOCK CHECKER

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Backport WL#9383 INNODB: ADD AN OPTION TO TURN OFF/ON DEADLOCK CHECKER
(rb#12873) to 5.7.
This commit is contained in:
Shaohua Wang
2016-07-28 13:08:52 +08:00
committed by Marko Mäkelä
parent 1a5ca702b1
commit d3a2f60e1a
8 changed files with 254 additions and 44 deletions
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53
mysql-test/suite/sys_vars/t/innodb_deadlock_detect_basic.test Normal file
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@ -0,0 +1,53 @@
--source include/have_innodb.inc
SET @start_global_value = @@global.innodb_deadlock_detect;
SELECT @start_global_value;
#
# exists as global
#
--echo Valid values are 'ON' and 'OFF'
select @@global.innodb_deadlock_detect in (0, 1);
select @@global.innodb_deadlock_detect;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_deadlock_detect in (0, 1);
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_deadlock_detect;
show global variables like 'innodb_deadlock_detect';
show session variables like 'innodb_deadlock_detect';
#
# show that it's writable
#
set global innodb_deadlock_detect='OFF';
--error ER_GLOBAL_VARIABLE
set session innodb_deadlock_detect='OFF';
select @@global.innodb_deadlock_detect;
set @@global.innodb_deadlock_detect=1;
select @@global.innodb_deadlock_detect;
set global innodb_deadlock_detect=0;
select @@global.innodb_deadlock_detect;
set @@global.innodb_deadlock_detect='ON';
select @@global.innodb_deadlock_detect;
#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_deadlock_detect=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_deadlock_detect=1e1;
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_deadlock_detect=2;
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_deadlock_detect='AUTO';
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_deadlock_detect=-3;
select @@global.innodb_deadlock_detect;
#
# Cleanup
#
SET @@global.innodb_deadlock_detect = @start_global_value;
SELECT @@global.innodb_deadlock_detect;