set default_storage_engine='tokudb';
drop table if exists t;
create table t (id int primary key, b int, key(b));
set tokudb_enable_fast_update=1;
set tokudb_disable_slow_update=1;
update t set b=b+1 where id=42;
ERROR 42000: Table 't' uses an extension that doesn't exist in this MySQL version
drop table t;