mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-16 12:44:42 +00:00
60 lines
2.5 KiB
Python
60 lines
2.5 KiB
Python
|
import pytest
|
||
|
|
import time
|
||
|
|
from helpers.cluster import ClickHouseCluster
|
||
|
|
from helpers.network import PartitionManager
|
||
|
|
from helpers.client import QueryRuntimeException
|
||
|
|
|
||
|
|
cluster = ClickHouseCluster(__file__)
|
||
|
|
node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
|
||
|
|
node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
|
||
|
|
|
||
|
|
@pytest.fixture(scope="module")
|
||
|
|
def started_cluster():
|
||
|
|
try:
|
||
|
|
cluster.start()
|
||
|
|
|
||
|
|
yield cluster
|
||
|
|
finally:
|
||
|
|
cluster.shutdown()
|
||
|
|
|
||
|
|
|
||
|
|
def test_non_leader_replica(started_cluster):
|
||
|
|
|
||
|
|
node1.query('''CREATE TABLE sometable(id UInt32, value String)
|
||
|
|
ENGINE = ReplicatedMergeTree('/clickhouse/tables/0/sometable', '1') ORDER BY tuple()''')
|
||
|
|
|
||
|
|
node2.query('''CREATE TABLE sometable(id UInt32, value String)
|
||
|
|
ENGINE = ReplicatedMergeTree('/clickhouse/tables/0/sometable', '2') ORDER BY tuple() SETTINGS replicated_can_become_leader = 0''')
|
||
|
|
|
||
|
|
node1.query("INSERT INTO sometable SELECT number, toString(number) FROM numbers(100)")
|
||
|
|
node2.query("SYSTEM SYNC REPLICA sometable", timeout=10)
|
||
|
|
|
||
|
|
assert node1.query("SELECT COUNT() FROM sometable") == "100\n"
|
||
|
|
assert node2.query("SELECT COUNT() FROM sometable") == "100\n"
|
||
|
|
|
||
|
|
|
||
|
|
with PartitionManager() as pm:
|
||
|
|
pm.drop_instance_zk_connections(node1)
|
||
|
|
|
||
|
|
# this query should be executed by leader, but leader partitioned from zookeeper
|
||
|
|
with pytest.raises(Exception):
|
||
|
|
node2.query("ALTER TABLE sometable ON CLUSTER 'test_cluster' MODIFY COLUMN value UInt64 SETTINGS distributed_ddl_task_timeout=5")
|
||
|
|
|
||
|
|
for _ in range(100):
|
||
|
|
if 'UInt64' in node1.query("SELECT type FROM system.columns WHERE name='value' and table = 'sometable'"):
|
||
|
|
break
|
||
|
|
time.sleep(0.1)
|
||
|
|
|
||
|
|
for _ in range(100):
|
||
|
|
if 'UInt64' in node2.query("SELECT type FROM system.columns WHERE name='value' and table = 'sometable'"):
|
||
|
|
break
|
||
|
|
time.sleep(0.1)
|
||
|
|
|
||
|
|
assert 'UInt64' in node1.query("SELECT type FROM system.columns WHERE name='value' and table = 'sometable'")
|
||
|
|
assert 'UInt64' in node2.query("SELECT type FROM system.columns WHERE name='value' and table = 'sometable'")
|
||
|
|
|
||
|
|
# Checking that DDLWorker doesn't hung and still able to execute DDL queries
|
||
|
|
node1.query("CREATE TABLE new_table_with_ddl ON CLUSTER 'test_cluster' (key UInt32) ENGINE=MergeTree() ORDER BY tuple()", settings={"distributed_ddl_task_timeout": "10"})
|
||
|
|
assert node1.query("EXISTS new_table_with_ddl") == "1\n"
|
||
|
|
assert node2.query("EXISTS new_table_with_ddl") == "1\n"
|