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--source include/have_innodb.inc
# Display default value
SELECT @@GLOBAL.innodb_scrub_log_speed;
--echo 200 Expected
# Check if value can be set
SET @@GLOBAL.innodb_scrub_log_speed=100;
--echo 1 Expected
SELECT @@GLOBAL.innodb_scrub_log_speed;
--echo 100 Expected
SET @@GLOBAL.innodb_scrub_log_speed=DEFAULT;
--echo 1 Expected
SELECT @@GLOBAL.innodb_scrub_log_speed;
--echo 200 Expected
# Check if the value in GLOBAL TABLE matches value in variable
SELECT @@GLOBAL.innodb_scrub_log_speed = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_scrub_log_speed';
--echo 1 Expected
SELECT @@GLOBAL.innodb_scrub_log_speed;
--echo 200 Expected
SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_scrub_log_speed';
--echo 200 Expected
# Check if accessing variable with and without GLOBAL point to same variable
SELECT @@innodb_scrub_log_speed = @@GLOBAL.innodb_scrub_log_speed;
--echo 1 Expected
# Check if innodb_scrub_log_speed can be accessed with and without @@ sign
SELECT @@innodb_scrub_log_speed;
--echo 200 Expected
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@local.innodb_scrub_log_speed;
--echo Expected error 'Variable is a GLOBAL variable'
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@SESSION.innodb_scrub_log_speed;
--echo Expected error 'Variable is a GLOBAL variable'
SELECT @@GLOBAL.innodb_scrub_log_speed;
--echo 200 Expected
--Error ER_BAD_FIELD_ERROR
SELECT innodb_scrub_log_speed;
--echo Expected error 'Unknow column in field list'
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