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--source include/have_innodb.inc
# bool readonly
#
# show values;
#
select @@global.innodb_mtflush_threads;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_mtflush_threads;
show global variables like 'innodb_mtflush_threads';
show session variables like 'innodb_mtflush_threads';
select * from information_schema.global_variables where variable_name='innodb_mtflush_threads';
select * from information_schema.session_variables where variable_name='innodb_mtflush_threads';
#
# show that it's read-only
#
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set global innodb_mtflush_threads=1;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set session innodb_mtflush_threads=1;
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