

# 2012-05-29 - Added
#

--source include/have_innodb.inc

SET @start_global_value = @@global.innodb_compression_level;
SELECT @start_global_value;

#
# exists as global only
#
--echo Valid value 0-9
select @@global.innodb_compression_level <= 9;
select @@global.innodb_compression_level;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_compression_level;
show global variables like 'innodb_compression_level';
show session variables like 'innodb_compression_level';
select * from information_schema.global_variables where variable_name='innodb_compression_level';
select * from information_schema.session_variables where variable_name='innodb_compression_level';

#
# show that it's writable
#
set global innodb_compression_level=2;
select @@global.innodb_compression_level;
select * from information_schema.global_variables where variable_name='innodb_compression_level';
select * from information_schema.session_variables where variable_name='innodb_compression_level';
--error ER_GLOBAL_VARIABLE
set session innodb_compression_level=4;

#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_compression_level=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_compression_level=1e1;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_compression_level="foo";

set global innodb_compression_level=10;
select @@global.innodb_compression_level;
select * from information_schema.global_variables where variable_name='innodb_compression_level';
set global innodb_compression_level=-7;
select @@global.innodb_compression_level;
select * from information_schema.global_variables where variable_name='innodb_compression_level';

#
# min/max values
#
set global innodb_compression_level=0;
select @@global.innodb_compression_level;
set global innodb_compression_level=9;
select @@global.innodb_compression_level;

#
# cleanup
#

SET @@global.innodb_compression_level = @start_global_value;
SELECT @@global.innodb_compression_level;
