mysql-test/suite/sys_vars/t/innodb_read_io_threads_basic.test


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#
#  2010-01-27 OBN - Added (this variable is also covered in innodb_file_io_threads_basic.test)
#

--source include/have_innodb.inc

#
# show the global and session values;
#
select @@global.innodb_read_io_threads;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_read_io_threads;
show global variables like 'innodb_read_io_threads';
show session variables like 'innodb_read_io_threads';
--disable_warnings
select * from information_schema.global_variables where variable_name='innodb_read_io_threads';
select * from information_schema.session_variables where variable_name='innodb_read_io_threads';
--enable_warnings

#
# show that it's not read-only
#
select @@innodb_read_io_threads into @n;
--disable_warnings
set global innodb_read_io_threads = 1;
--enable_warnings
select @@innodb_read_io_threads;
--disable_warnings
set global innodb_read_io_threads=64;
--enable_warnings
select @@innodb_read_io_threads;
--error ER_GLOBAL_VARIABLE
set session innodb_read_io_threads=1;
set global innodb_read_io_threads=@n;