mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-25 09:02:00 +00:00
97f2a2213e
* Move some code outside dbms/src folder * Fix paths
45 lines
1.5 KiB
SQL
45 lines
1.5 KiB
SQL
drop table if exists ttl;
|
|
set mutations_sync = 2;
|
|
|
|
-- check that ttl info was updated after mutation.
|
|
create table ttl (i Int, a Int, s String) engine = MergeTree order by i;
|
|
insert into ttl values (1, 1, 'a') (2, 1, 'b') (3, 1, 'c') (4, 1, 'd');
|
|
|
|
alter table ttl modify ttl a % 2 = 0 ? today() - 10 : toDate('2100-01-01');
|
|
alter table ttl materialize ttl;
|
|
|
|
select * from ttl order by i;
|
|
alter table ttl update a = 0 where i % 2 = 0;
|
|
select * from ttl order by i;
|
|
|
|
drop table ttl;
|
|
|
|
select '===================';
|
|
|
|
-- check that skip index is updated after column was modified by ttl.
|
|
create table ttl (i Int, a Int, s String default 'b' ttl a % 2 = 0 ? today() - 10 : toDate('2100-01-01'),
|
|
index ind_s (s) type set(1) granularity 1) engine = MergeTree order by i;
|
|
insert into ttl values (1, 1, 'a') (2, 1, 'a') (3, 1, 'a') (4, 1, 'a');
|
|
|
|
select count() from ttl where s = 'a';
|
|
|
|
alter table ttl update a = 0 where i % 2 = 0;
|
|
|
|
select count() from ttl where s = 'a';
|
|
select count() from ttl where s = 'b';
|
|
|
|
drop table ttl;
|
|
|
|
-- check only that it doesn't throw exceptions.
|
|
create table ttl (i Int, s String) engine = MergeTree order by i ttl toDate('2000-01-01') TO DISK 'default';
|
|
alter table ttl materialize ttl;
|
|
drop table ttl;
|
|
|
|
create table ttl (a Int, b Int, c Int default 42 ttl d, d Date, index ind (b * c) type minmax granularity 1)
|
|
engine = MergeTree order by a;
|
|
insert into ttl values (1, 2, 3, '2100-01-01');
|
|
alter table ttl update d = '2000-01-01' where 1;
|
|
alter table ttl materialize ttl;
|
|
select * from ttl;
|
|
drop table ttl;
|