create table t (a int primary key) engine=rocksdb;

begin;
insert into t values (0);

--source include/count_sessions.inc
--connect (con1,localhost,root,,)
--connection con1
set @@rocksdb_lock_wait_timeout=1;
select ROW_LOCK_WAIT_TIMEOUTS from information_schema.table_statistics where table_name="t";
begin;

--connect (con2,localhost,root,,)
--connection con2
set @@rocksdb_lock_wait_timeout=1;
begin;

--connection con1
select variable_value into @a from information_schema.global_status where variable_name='rocksdb_row_lock_wait_timeouts';
--error ER_LOCK_WAIT_TIMEOUT
insert into t values(0);
select ROW_LOCK_WAIT_TIMEOUTS from information_schema.table_statistics where table_name="t";
select ROW_LOCK_WAIT_TIMEOUTS from information_schema.table_statistics where table_name="t";
select case when variable_value-@a = 1 then 'true' else 'false' end as waits from information_schema.global_status where variable_name='rocksdb_row_lock_wait_timeouts';

--connection con2
select variable_value into @a from information_schema.global_status where variable_name='rocksdb_row_lock_wait_timeouts';
--error ER_LOCK_WAIT_TIMEOUT
insert into t values(0);
select ROW_LOCK_WAIT_TIMEOUTS from information_schema.table_statistics where table_name="t";
select ROW_LOCK_WAIT_TIMEOUTS from information_schema.table_statistics where table_name="t";
select case when variable_value-@a = 1 then 'true' else 'false' end as waits from information_schema.global_status where variable_name='rocksdb_row_lock_wait_timeouts';

--disconnect con1
--connection default
--disconnect con2
drop table t;
--source include/wait_until_count_sessions.inc