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# 2010-01-25 - Added
#
--source include/have_innodb.inc
SET @start_global_value = @@global.innodb_change_buffering;
SELECT @start_global_value;
#
# exists as global only
#
--echo Valid values are 'all', 'deletes', 'changes', 'inserts', 'none', 'purges'
select @@global.innodb_change_buffering in ('all', 'deletes', 'changes', 'inserts', 'none', 'purges');
select @@global.innodb_change_buffering;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_change_buffering;
show global variables like 'innodb_change_buffering';
show session variables like 'innodb_change_buffering';
select * from information_schema.global_variables where variable_name='innodb_change_buffering';
select * from information_schema.session_variables where variable_name='innodb_change_buffering';
#
# show that it's writable
#
set global innodb_change_buffering='none';
select @@global.innodb_change_buffering;
select * from information_schema.global_variables where variable_name='innodb_change_buffering';
select * from information_schema.session_variables where variable_name='innodb_change_buffering';
set @@global.innodb_change_buffering='inserts';
select @@global.innodb_change_buffering;
select * from information_schema.global_variables where variable_name='innodb_change_buffering';
select * from information_schema.session_variables where variable_name='innodb_change_buffering';
--error ER_GLOBAL_VARIABLE
set session innodb_change_buffering='some';
--error ER_GLOBAL_VARIABLE
set @@session.innodb_change_buffering='some';
#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_change_buffering=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_change_buffering=1;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_change_buffering=-2;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_change_buffering=1e1;
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_change_buffering='some';
#
# Cleanup
#
SET @@global.innodb_change_buffering = @start_global_value;
SELECT @@global.innodb_change_buffering;
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