# ulong global

--source include/have_debug.inc

SET @start_global_value = @@global.debug_binlog_fsync_sleep;

#
# exists as global only
#
select @@global.debug_binlog_fsync_sleep;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.debug_binlog_fsync_sleep;
show global variables like 'debug_binlog_fsync_sleep';
show session variables like 'debug_binlog_fsync_sleep';
select * from information_schema.global_variables where variable_name='debug_binlog_fsync_sleep';
select * from information_schema.session_variables where variable_name='debug_binlog_fsync_sleep';

#
# show that it's writable
#
set global debug_binlog_fsync_sleep=20;
select @@global.debug_binlog_fsync_sleep;
--error ER_GLOBAL_VARIABLE
set session debug_binlog_fsync_sleep=1;

#
# incorrect types
#
--error ER_WRONG_TYPE_FOR_VAR
set global debug_binlog_fsync_sleep=1.1;
--error ER_WRONG_TYPE_FOR_VAR
set global debug_binlog_fsync_sleep=1e1;
--error ER_WRONG_TYPE_FOR_VAR
set global debug_binlog_fsync_sleep="foo";

#
# min/max values, block size
#
set global debug_binlog_fsync_sleep=0;
select @@global.debug_binlog_fsync_sleep;
set global debug_binlog_fsync_sleep=cast(-1 as unsigned int);
select @@global.debug_binlog_fsync_sleep;

SET @@global.debug_binlog_fsync_sleep = @start_global_value;