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Dir : ~/www/server/mysql/mysql-test/suite/sys_vars/t/

View File Name : innodb_stats_method_basic.test

#
# 2011-08-05 - Added
#

--source include/have_innodb.inc

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

#
# exists as global only 
#
--echo Valid values are 'nulls_equal', 'nulls_unequal', 'nulls_ignored'
SELECT @@global.innodb_stats_method in ('nulls_equal', 'nulls_unequal', 
'nulls_ignored');
SELECT @@global.innodb_stats_method;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.innodb_stats_method;
SHOW global variables LIKE 'innodb_stats_method';
SHOW session variables LIKE 'innodb_stats_method';
--disable_warnings
SELECT * FROM information_schema.global_variables 
WHERE variable_name='innodb_stats_method';
SELECT * FROM information_schema.session_variables 
WHERE variable_name='innodb_stats_method';
--enable_warnings

#
# show that it's writable
#
SET global innodb_stats_method='nulls_equal';
SELECT @@global.innodb_stats_method;
--disable_warnings
SELECT * FROM information_schema.global_variables 
WHERE variable_name='innodb_stats_method';
SELECT * FROM information_schema.session_variables 
WHERE variable_name='innodb_stats_method';
--enable_warnings
SET @@global.innodb_stats_method='nulls_unequal';
SELECT @@global.innodb_stats_method;
--disable_warnings
SELECT * FROM information_schema.global_variables 
WHERE variable_name='innodb_stats_method';
SELECT * FROM information_schema.session_variables 
WHERE variable_name='innodb_stats_method';
--enable_warnings
SET global innodb_stats_method=2;
SELECT @@global.innodb_stats_method;
--disable_warnings
SELECT * FROM information_schema.global_variables 
WHERE variable_name='innodb_stats_method';
SELECT * FROM information_schema.session_variables 
WHERE variable_name='innodb_stats_method';
--enable_warnings

--error ER_GLOBAL_VARIABLE
SET session innodb_stats_method='nulls_equal';
--error ER_GLOBAL_VARIABLE
SET @@session.innodb_stats_method='nulls_ignored';

#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
SET global innodb_stats_method=1.1;
--error ER_WRONG_VALUE_FOR_VAR
SET global innodb_stats_method=4;
--error ER_WRONG_VALUE_FOR_VAR
SET global innodb_stats_method=-2;
--error ER_WRONG_TYPE_FOR_VAR
SET global innodb_stats_method=1e1;
--error ER_WRONG_VALUE_FOR_VAR
SET global innodb_stats_method='some';

#
# Cleanup
#

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