File: innodb_instant_alter_column_allowed_basic.test

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--source include/have_innodb.inc

SET @start_global_value = @@global.innodb_instant_alter_column_allowed;
SET GLOBAL innodb_instant_alter_column_allowed=never;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.innodb_instant_alter_column_allowed;
show global variables like 'innodb_instant_alter_column_allowed';
show session variables like 'innodb_instant_alter_column_allowed';
SELECT * FROM information_schema.global_variables
WHERE variable_name='innodb_instant_alter_column_allowed';
SELECT * FROM information_schema.session_variables
WHERE variable_name='innodb_instant_alter_column_allowed';

--error ER_WRONG_VALUE_FOR_VAR
set global innodb_instant_alter_column_allowed=no;
--error ER_WRONG_TYPE_FOR_VAR
set global innodb_instant_alter_column_allowed=1.1;
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_instant_alter_column_allowed=-1;
select @@global.innodb_instant_alter_column_allowed;
--error ER_WRONG_VALUE_FOR_VAR
set global innodb_instant_alter_column_allowed=3;
select @@global.innodb_instant_alter_column_allowed;
set global innodb_instant_alter_column_allowed=2;
select @@global.innodb_instant_alter_column_allowed;
set global innodb_instant_alter_column_allowed=1;
select @@global.innodb_instant_alter_column_allowed;
set global innodb_instant_alter_column_allowed=0;
select @@global.innodb_instant_alter_column_allowed;
set global innodb_instant_alter_column_allowed=default;
select @@global.innodb_instant_alter_column_allowed;

SET GLOBAL innodb_instant_alter_column_allowed = @start_global_value;