ClickHouse/tests/queries/0_stateless/01710_force_use_projection.sql

19 lines
570 B
MySQL
Raw Normal View History

2022-02-04 11:31:58 +00:00
-- Tags: no-s3-storage
drop table if exists tp;
create table tp (d1 Int32, d2 Int32, eventcnt Int64, projection p (select sum(eventcnt) group by d1)) engine = MergeTree order by (d1, d2);
set allow_experimental_projection_optimization = 1, force_optimize_projection = 1;
select sum(eventcnt) eventcnt, d1 from tp group by d1;
select avg(eventcnt) eventcnt, d1 from tp group by d1;
insert into tp values (1, 2, 3);
select sum(eventcnt) eventcnt, d1 from tp group by d1;
select avg(eventcnt) eventcnt, d1 from tp group by d1; -- { serverError 584 }
drop table tp;