mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-25 00:52:02 +00:00
19 lines
635 B
SQL
19 lines
635 B
SQL
drop table if exists ttl;
|
|
|
|
create table ttl (d Date, a Int) engine = MergeTree order by a partition by toDayOfMonth(d) ttl d + interval 1 day;
|
|
|
|
system stop ttl merges;
|
|
|
|
insert into ttl values (toDateTime('2000-10-10 00:00:00'), 1), (toDateTime('2000-10-10 00:00:00'), 2)
|
|
insert into ttl values (toDateTime('2100-10-10 00:00:00'), 3), (toDateTime('2100-10-10 00:00:00'), 4);
|
|
|
|
select sleep(1) format Null; -- wait if very fast merge happen
|
|
optimize table ttl partition 10 final;
|
|
select * from ttl order by d, a;
|
|
|
|
system start ttl merges;
|
|
optimize table ttl partition 10 final;
|
|
select * from ttl order by d, a;
|
|
|
|
drop table if exists ttl;
|