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

53 lines
1.6 KiB
Python

import pytest
from helpers.cluster import ClickHouseCluster
from helpers.client import QueryRuntimeException
cluster = ClickHouseCluster(__file__)
node_shard = cluster.add_instance("node1", main_configs=["configs/remote_servers.xml"])
node_dist = cluster.add_instance(
"node2",
main_configs=["configs/remote_servers.xml"],
image="yandex/clickhouse-server",
tag="21.11.9.1",
stay_alive=True,
with_installed_binary=True,
)
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
node_shard.query(
"CREATE TABLE local_table(id UInt32, val String) ENGINE = MergeTree ORDER BY id"
)
node_dist.query(
"CREATE TABLE local_table(id UInt32, val String) ENGINE = MergeTree ORDER BY id"
)
node_dist.query(
"CREATE TABLE dist_table(id UInt32, val String) ENGINE = Distributed(test_cluster, default, local_table, rand())"
)
yield cluster
finally:
cluster.shutdown()
def test_distributed_in_tuple(started_cluster):
node_dist.query("SYSTEM STOP DISTRIBUTED SENDS dist_table")
node_dist.query("INSERT INTO dist_table VALUES (1, 'foo')")
assert node_dist.query("SELECT count() FROM dist_table") == "0\n"
assert node_shard.query("SELECT count() FROM local_table") == "0\n"
node_dist.restart_with_latest_version(signal=9)
node_dist.query("SYSTEM FLUSH DISTRIBUTED dist_table")
assert node_dist.query("SELECT count() FROM dist_table") == "1\n"
assert node_shard.query("SELECT count() FROM local_table") == "1\n"