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--source include/have_innodb.inc
# Display default value
SELECT @@GLOBAL.innodb_scrub_log;
--echo 0 Expected
# Check if value can be set
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@GLOBAL.innodb_scrub_log=1;
--echo Expected error 'Read only variable'
SELECT @@GLOBAL.innodb_scrub_log;
--echo 0 Expected
# Check if the value in GLOBAL TABLE matches value in variable
SELECT IF(@@GLOBAL.innodb_scrub_log, 'ON', 'OFF') = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_scrub_log';
--echo 1 Expected
SELECT @@GLOBAL.innodb_scrub_log;
--echo 0 Expected
SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_scrub_log';
--echo 0 Expected
# Check if accessing variable with and without GLOBAL point to same variable
SELECT @@innodb_scrub_log = @@GLOBAL.innodb_scrub_log;
--echo 1 Expected
# Check if innodb_scrub_log can be accessed with and without @@ sign
SELECT @@innodb_scrub_log;
--echo 0 Expected
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@local.innodb_scrub_log;
--echo Expected error 'Variable is a GLOBAL variable'
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@SESSION.innodb_scrub_log;
--echo Expected error 'Variable is a GLOBAL variable'
SELECT @@GLOBAL.innodb_scrub_log;
--echo 0 Expected
--Error ER_BAD_FIELD_ERROR
SELECT innodb_scrub_log;
--echo Expected error 'Unknow column in field list'
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