bug #15429 (Test 'func_math' not prepared for 'classic' build)

#

# InnoDB is required to reproduce the fault, but it is okay if we default to

# MyISAM when testing.

--disable_warnings

create table t1 (a varchar(90), ts datetime not null, index (a)) engine=innodb default charset=utf8;

--enable_warnings

insert into t1 values ('http://www.foo.com/', now());

select a from t1 where a='http://www.foo.com/' order by abs(timediff(ts, 0));

drop table t1;