Public signup for this instance is disabled. Our Jira Guidelines page explains how to get an account.
The following queries fail:
create table t1 (c1 int) PARTITIONED BY (c2 string);
select * from t1 where t1.c2 < to_date(date_add(from_unixtime( unix_timestamp() ),1));
The query failed with "No partition predicate found for alias t1".