ClickHouse/tests/queries/0_stateless/01099_parallel_distributed_insert_select.sql

DROP TABLE IF EXISTS local_01099_a;
DROP TABLE IF EXISTS local_01099_b;
DROP TABLE IF EXISTS distributed_01099_a;
DROP TABLE IF EXISTS distributed_01099_b;

SET parallel_distributed_insert_select=1;

--
-- test_shard_localhost
--

SELECT 'test_shard_localhost';

CREATE TABLE local_01099_a (number UInt64) ENGINE = Log;
CREATE TABLE local_01099_b (number UInt64) ENGINE = Log;
CREATE TABLE distributed_01099_a AS local_01099_a ENGINE = Distributed('test_shard_localhost', currentDatabase(), local_01099_a, rand());
CREATE TABLE distributed_01099_b AS local_01099_b ENGINE = Distributed('test_shard_localhost', currentDatabase(), local_01099_b, rand());

INSERT INTO local_01099_a SELECT number from system.numbers limit 3;
INSERT INTO distributed_01099_b SELECT * from distributed_01099_a;

SELECT * FROM distributed_01099_b;

DROP TABLE local_01099_a;
DROP TABLE local_01099_b;
DROP TABLE distributed_01099_a;
DROP TABLE distributed_01099_b;

--
-- test_cluster_two_shards_localhost
--

SELECT 'test_cluster_two_shards_localhost';

CREATE TABLE local_01099_a (number UInt64) ENGINE = Log;
CREATE TABLE local_01099_b (number UInt64) ENGINE = Log;
CREATE TABLE distributed_01099_a AS local_01099_a ENGINE = Distributed('test_cluster_two_shards_localhost', currentDatabase(), local_01099_a, rand());
CREATE TABLE distributed_01099_b AS local_01099_b ENGINE = Distributed('test_cluster_two_shards_localhost', currentDatabase(), local_01099_b, rand());

INSERT INTO local_01099_a SELECT number from system.numbers limit 3;
INSERT INTO distributed_01099_b SELECT * from distributed_01099_a;

SELECT number, count(number) FROM local_01099_b group by number order by number;

DROP TABLE local_01099_a;
DROP TABLE local_01099_b;
DROP TABLE distributed_01099_a;
DROP TABLE distributed_01099_b;

--
-- test_cluster_two_shards
--

SELECT 'test_cluster_two_shards';

CREATE TABLE local_01099_a (number UInt64) ENGINE = Log;
CREATE TABLE local_01099_b (number UInt64) ENGINE = Log;
CREATE TABLE distributed_01099_a AS local_01099_a ENGINE = Distributed('test_cluster_two_shards', currentDatabase(), local_01099_a, rand());
CREATE TABLE distributed_01099_b AS local_01099_b ENGINE = Distributed('test_cluster_two_shards', currentDatabase(), local_01099_b, rand());

INSERT INTO local_01099_a SELECT number from system.numbers limit 3;
INSERT INTO distributed_01099_b SELECT * from distributed_01099_a;
SYSTEM FLUSH DISTRIBUTED distributed_01099_b;

SELECT number, count(number) FROM local_01099_b group by number order by number;

DROP TABLE local_01099_a;
DROP TABLE local_01099_b;
DROP TABLE distributed_01099_a;
DROP TABLE distributed_01099_b;