ClickHouse/tests/integration/test_distributed_backward_compatability/test.py
2022-03-22 17:39:58 +01:00

65 lines
2.0 KiB
Python

import pytest
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node_old = cluster.add_instance(
"node1",
main_configs=["configs/remote_servers.xml"],
image="yandex/clickhouse-server",
tag="20.8.9.6",
stay_alive=True,
with_installed_binary=True,
)
node_new = cluster.add_instance(
"node2",
main_configs=["configs/remote_servers.xml"],
user_configs=["configs/legacy.xml"],
)
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
for node in (node_old, node_new):
node.query(
"CREATE TABLE local_table(id UInt32, val String) ENGINE = MergeTree ORDER BY id"
)
node_old.query("INSERT INTO local_table VALUES (1, 'node1')")
node_new.query("INSERT INTO local_table VALUES (2, 'node2')")
node_old.query(
"CREATE TABLE distributed(id UInt32, val String) ENGINE = Distributed(test_cluster, default, local_table)"
)
node_new.query(
"CREATE TABLE distributed(id UInt32, val String) ENGINE = Distributed(test_cluster, default, local_table)"
)
yield cluster
finally:
cluster.shutdown()
def test_distributed_in_tuple(started_cluster):
query1 = "SELECT count() FROM distributed WHERE (id, val) IN ((1, 'node1'), (2, 'a'), (3, 'b'))"
query2 = (
"SELECT sum((id, val) IN ((1, 'node1'), (2, 'a'), (3, 'b'))) FROM distributed"
)
assert node_old.query(query1) == "1\n"
assert node_old.query(query2) == "1\n"
assert node_new.query(query1) == "1\n"
assert node_new.query(query2) == "1\n"
large_set = "(" + ",".join([str(i) for i in range(1000)]) + ")"
query3 = "SELECT count() FROM distributed WHERE id IN " + large_set
query4 = "SELECT sum(id IN {}) FROM distributed".format(large_set)
assert node_old.query(query3) == "2\n"
assert node_old.query(query4) == "2\n"
assert node_new.query(query3) == "2\n"
assert node_new.query(query4) == "2\n"