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SET @start_global_value = @@global.innodb_encryption_threads;
select @@global.innodb_encryption_threads;
@@global.innodb_encryption_threads
0
select @@session.innodb_encryption_threads;
ERROR HY000: Variable 'innodb_encryption_threads' is a GLOBAL variable
show global variables like 'innodb_encryption_threads';
Variable_name Value
innodb_encryption_threads 0
show session variables like 'innodb_encryption_threads';
Variable_name Value
innodb_encryption_threads 0
select * from information_schema.global_variables
where variable_name='innodb_encryption_threads';
VARIABLE_NAME VARIABLE_VALUE
INNODB_ENCRYPTION_THREADS 0
select * from information_schema.session_variables
where variable_name='innodb_encryption_threads';
VARIABLE_NAME VARIABLE_VALUE
INNODB_ENCRYPTION_THREADS 0
set global innodb_encryption_threads=0;
select @@global.innodb_encryption_threads;
@@global.innodb_encryption_threads
0
set global innodb_encryption_threads=5;
select @@global.innodb_encryption_threads;
@@global.innodb_encryption_threads
5
set global innodb_encryption_threads=1;
select @@global.innodb_encryption_threads;
@@global.innodb_encryption_threads
1
set session innodb_encryption_threads=1;
ERROR HY000: Variable 'innodb_encryption_threads' is a GLOBAL variable and should be set with SET GLOBAL
set global innodb_encryption_threads=1.1;
ERROR 42000: Incorrect argument type to variable 'innodb_encryption_threads'
set global innodb_encryption_threads=1e1;
ERROR 42000: Incorrect argument type to variable 'innodb_encryption_threads'
set global innodb_encryption_threads="foo";
ERROR 42000: Incorrect argument type to variable 'innodb_encryption_threads'
SET @@global.innodb_encryption_threads = @start_global_value;
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