mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-14 03:25:15 +00:00
24 lines
1.8 KiB
SQL
24 lines
1.8 KiB
SQL
DROP TABLE IF EXISTS test_insert_t1;
|
|
DROP TABLE IF EXISTS test_insert_t2;
|
|
DROP TABLE IF EXISTS test_insert_t3;
|
|
|
|
CREATE TABLE test_insert_t1 (`dt` Date, `uid` String, `name` String, `city` String) ENGINE = MergeTree PARTITION BY toYYYYMMDD(dt) ORDER BY name SETTINGS index_granularity = 8192;
|
|
CREATE TABLE test_insert_t2 (`dt` Date, `uid` String) ENGINE = MergeTree PARTITION BY toYYYYMMDD(dt) ORDER BY uid SETTINGS index_granularity = 8192;
|
|
CREATE TABLE test_insert_t3 (`dt` Date, `uid` String, `name` String, `city` String) ENGINE = MergeTree PARTITION BY toYYYYMMDD(dt) ORDER BY name SETTINGS index_granularity = 8192;
|
|
|
|
INSERT INTO test_insert_t1 SELECT '2019-09-01',toString(number),toString(rand()),toString(rand()) FROM system.numbers WHERE number > 10 limit 1000000;
|
|
INSERT INTO test_insert_t2 SELECT '2019-09-01',toString(number) FROM system.numbers WHERE number >=0 limit 200;
|
|
INSERT INTO test_insert_t2 SELECT '2019-09-01',toString(number) FROM system.numbers WHERE number >=100000 limit 200;
|
|
INSERT INTO test_insert_t2 SELECT '2019-09-01',toString(number) FROM system.numbers WHERE number >=300000 limit 200;
|
|
INSERT INTO test_insert_t2 SELECT '2019-09-01',toString(number) FROM system.numbers WHERE number >=500000 limit 200;
|
|
INSERT INTO test_insert_t2 SELECT '2019-09-01',toString(number) FROM system.numbers WHERE number >=700000 limit 200;
|
|
INSERT INTO test_insert_t2 SELECT '2019-09-01',toString(number) FROM system.numbers WHERE number >=900000 limit 200;
|
|
|
|
INSERT INTO test_insert_t3 SELECT '2019-09-01', uid, name, city FROM ( SELECT dt, uid, name, city FROM test_insert_t1 WHERE dt = '2019-09-01') t1 GLOBAL SEMI LEFT JOIN (SELECT uid FROM test_insert_t2 WHERE dt = '2019-09-01') t2 ON t1.uid=t2.uid;
|
|
|
|
SELECT count(*) FROM test_insert_t3;
|
|
|
|
DROP TABLE test_insert_t1;
|
|
DROP TABLE test_insert_t2;
|
|
DROP TABLE test_insert_t3;
|