mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 08:40:50 +00:00
32 lines
822 B
SQL
32 lines
822 B
SQL
DROP TABLE IF EXISTS test_00687;
|
|
DROP TABLE IF EXISTS mv_bad;
|
|
DROP TABLE IF EXISTS mv_good;
|
|
DROP TABLE IF EXISTS mv_group;
|
|
|
|
CREATE TABLE test_00687 (x String) ENGINE = Null;
|
|
|
|
create MATERIALIZED VIEW mv_bad (x String)
|
|
ENGINE = MergeTree Partition by tuple() order by tuple()
|
|
AS SELECT DISTINCT x FROM test_00687;
|
|
|
|
create MATERIALIZED VIEW mv_good (x String)
|
|
ENGINE = MergeTree Partition by tuple() order by tuple()
|
|
AS SELECT x FROM test_00687;
|
|
|
|
create MATERIALIZED VIEW mv_group (x String)
|
|
ENGINE = MergeTree Partition by tuple() order by tuple()
|
|
AS SELECT x FROM test_00687 group by x;
|
|
|
|
insert into test_00687 values ('stest'), ('stest');
|
|
|
|
select * from mv_bad;
|
|
SELECT '---';
|
|
select * from mv_good;
|
|
SELECT '---';
|
|
select * from mv_group;
|
|
|
|
DROP TABLE mv_bad;
|
|
DROP TABLE mv_good;
|
|
DROP TABLE mv_group;
|
|
DROP TABLE test_00687;
|