mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-24 08:32:02 +00:00
13 lines
504 B
MySQL
13 lines
504 B
MySQL
|
DROP TABLE if exists test.lc;
|
||
|
|
CREATE TABLE test.lc (a LowCardinality(Nullable(String)), b LowCardinality(Nullable(String))) ENGINE = MergeTree order by tuple();
|
||
|
|
INSERT INTO test.lc VALUES ('a', 'b');
|
||
|
|
INSERT INTO test.lc VALUES ('c', 'd');
|
||
|
|
|
||
|
|
SELECT a, b, count(a) FROM test.lc GROUP BY a, b WITH ROLLUP;
|
||
|
|
SELECT a, count(a) FROM test.lc GROUP BY a WITH ROLLUP;
|
||
|
|
|
||
|
|
SELECT a, b, count(a) FROM test.lc GROUP BY a, b WITH CUBE;
|
||
|
|
SELECT a, count(a) FROM test.lc GROUP BY a WITH CUBE;
|
||
|
|
|
||
|
|
DROP TABLE if exists test.lc;
|