polardbxengine/mysql-test/suite/sys_vars/t/lo_print_txt_basic.test

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--source include/have_lock_order.inc
#
# Only global
#
select @@global.lock_order_print_txt;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.lock_order_print_txt;
show global variables like 'lock_order_print_txt';
show session variables like 'lock_order_print_txt';
select * from performance_schema.global_variables
where variable_name='lock_order_print_txt';
select * from performance_schema.session_variables
where variable_name='lock_order_print_txt';
#
# Read-only
#
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set global lock_order_print_txt=1;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set session lock_order_print_txt=1;