mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 23:21:59 +00:00
42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
from contextlib import contextmanager
|
|
|
|
import pytest
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
|
|
node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'])
|
|
node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.xml'])
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
for node in (node1, node2):
|
|
node.query('''CREATE TABLE local_table(id UInt32, val String) ENGINE = MergeTree ORDER BY id;''')
|
|
|
|
node1.query('''CREATE TABLE distributed_table(id UInt32, val String) ENGINE = Distributed(test_cluster, default, local_table, id);''')
|
|
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def test_start_and_stop_replica_send(started_cluster):
|
|
node1.query("SYSTEM STOP DISTRIBUTED SENDS distributed_table;")
|
|
|
|
node1.query("INSERT INTO distributed_table VALUES (0, 'node1')")
|
|
node1.query("INSERT INTO distributed_table VALUES (1, 'node2')")
|
|
|
|
# Write only to this node when stop distributed sends
|
|
assert node1.query("SELECT COUNT() FROM distributed_table").rstrip() == '1'
|
|
|
|
node1.query("SYSTEM START DISTRIBUTED SENDS distributed_table;")
|
|
node1.query("SYSTEM FLUSH DISTRIBUTED distributed_table;")
|
|
assert node1.query("SELECT COUNT() FROM distributed_table").rstrip() == '2'
|
|
|