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--source include/have_innodb.inc
SET @start_global_value = @@global.innodb_prefix_index_cluster_optimization;
SELECT @start_global_value;
--echo #
--echo # exists as global only
--echo #
--echo Valid values are 'ON' and 'OFF'
select @@global.innodb_prefix_index_cluster_optimization in (0, 1);
select @@global.innodb_prefix_index_cluster_optimization;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_prefix_index_cluster_optimization;
show global variables like 'innodb_prefix_index_cluster_optimization';
show session variables like 'innodb_prefix_index_cluster_optimization';
select * from information_schema.global_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
select * from information_schema.session_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
--echo #
--echo # show that it's writable
--echo #
set global innodb_prefix_index_cluster_optimization = 'OFF';
select @@global.innodb_prefix_index_cluster_optimization;
select * from information_schema.global_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
select * from information_schema.session_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
set @@global.innodb_prefix_index_cluster_optimization = 'ON';
select @@global.innodb_prefix_index_cluster_optimization;
select * from information_schema.global_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
select * from information_schema.session_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
set global innodb_prefix_index_cluster_optimization = 0;
select @@global.innodb_prefix_index_cluster_optimization;
select * from information_schema.global_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
select * from information_schema.session_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
set @@global.innodb_prefix_index_cluster_optimization = 1;
select @@global.innodb_prefix_index_cluster_optimization;
select * from information_schema.global_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
select * from information_schema.session_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
--error ER_GLOBAL_VARIABLE
set session innodb_prefix_index_cluster_optimization = 'OFF';
select @@global.innodb_prefix_index_cluster_optimization;
select * from information_schema.global_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
select * from information_schema.session_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
--error ER_GLOBAL_VARIABLE
set @@session.innodb_prefix_index_cluster_optimization = 'ON';
select @@global.innodb_prefix_index_cluster_optimization;
select * from information_schema.global_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
select * from information_schema.session_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
--echo #
--echo # incorrect types
--echo #
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_prefix_index_cluster_optimization = 1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_prefix_index_cluster_optimization = 1e1;
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_prefix_index_cluster_optimization = 2;
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_prefix_index_cluster_optimization = -3;
select @@global.innodb_prefix_index_cluster_optimization;
select * from information_schema.global_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
select * from information_schema.session_variables where variable_name = 'innodb_prefix_index_cluster_optimization';
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_prefix_index_cluster_optimization = 'AUTO';
--echo #
--echo # Cleanup
--echo #
SET @@global.innodb_prefix_index_cluster_optimization = @start_global_value;
SELECT @@global.innodb_prefix_index_cluster_optimization;
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