mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-10 09:32:06 +00:00
123 lines
4.1 KiB
Python
123 lines
4.1 KiB
Python
import pytest
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
|
|
node1 = cluster.add_instance(
|
|
"node1",
|
|
main_configs=["configs/remote_servers.xml"],
|
|
with_zookeeper=True,
|
|
stay_alive=True,
|
|
)
|
|
node2 = cluster.add_instance(
|
|
"node2", main_configs=["configs/remote_servers.xml"], with_zookeeper=True
|
|
)
|
|
node3 = cluster.add_instance(
|
|
"node3", main_configs=["configs/remote_servers.xml"], with_zookeeper=True
|
|
)
|
|
node4 = cluster.add_instance(
|
|
"node4", main_configs=["configs/remote_servers.xml"], with_zookeeper=True
|
|
)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
for i, node in enumerate([node1, node2]):
|
|
node.query("CREATE DATABASE testdb")
|
|
node.query(
|
|
"""CREATE TABLE testdb.test_table(id UInt32, val String) ENGINE = ReplicatedMergeTree('/clickhouse/test/test_table1', '{}') ORDER BY id;""".format(
|
|
i
|
|
)
|
|
)
|
|
for i, node in enumerate([node3, node4]):
|
|
node.query("CREATE DATABASE testdb")
|
|
node.query(
|
|
"""CREATE TABLE testdb.test_table(id UInt32, val String) ENGINE = ReplicatedMergeTree('/clickhouse/test/test_table2', '{}') ORDER BY id;""".format(
|
|
i
|
|
)
|
|
)
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def test_alter(started_cluster):
|
|
node1.query(
|
|
"INSERT INTO testdb.test_table SELECT number, toString(number) FROM numbers(100)"
|
|
)
|
|
node3.query(
|
|
"INSERT INTO testdb.test_table SELECT number, toString(number) FROM numbers(100)"
|
|
)
|
|
node2.query("SYSTEM SYNC REPLICA testdb.test_table")
|
|
node4.query("SYSTEM SYNC REPLICA testdb.test_table")
|
|
|
|
node1.query(
|
|
"ALTER TABLE testdb.test_table ON CLUSTER test_cluster ADD COLUMN somecolumn UInt8 AFTER val",
|
|
settings={"replication_alter_partitions_sync": "2"},
|
|
)
|
|
|
|
node1.query("SYSTEM SYNC REPLICA testdb.test_table")
|
|
node2.query("SYSTEM SYNC REPLICA testdb.test_table")
|
|
node3.query("SYSTEM SYNC REPLICA testdb.test_table")
|
|
node4.query("SYSTEM SYNC REPLICA testdb.test_table")
|
|
|
|
assert node1.query("SELECT somecolumn FROM testdb.test_table LIMIT 1") == "0\n"
|
|
assert node2.query("SELECT somecolumn FROM testdb.test_table LIMIT 1") == "0\n"
|
|
assert node3.query("SELECT somecolumn FROM testdb.test_table LIMIT 1") == "0\n"
|
|
assert node4.query("SELECT somecolumn FROM testdb.test_table LIMIT 1") == "0\n"
|
|
|
|
|
|
def test_ddl_queue_hostname_change(started_cluster):
|
|
node1.query(
|
|
"create table hostname_change on cluster test_cluster (n int) engine=Log"
|
|
)
|
|
|
|
# There's no easy way to change hostname of a container, so let's update values in zk
|
|
query_znode = node1.query(
|
|
"select max(name) from system.zookeeper where path='/clickhouse/task_queue/ddl'"
|
|
)[:-1]
|
|
|
|
value = (
|
|
node1.query(
|
|
"select value from system.zookeeper where path='/clickhouse/task_queue/ddl' and name='{}' format TSVRaw".format(
|
|
query_znode
|
|
)
|
|
)[:-1]
|
|
.replace("\\'", "#")
|
|
.replace("'", "\\'")
|
|
.replace("\n", "\\n")
|
|
.replace("#", "\\'")
|
|
)
|
|
|
|
finished_znode = node1.query(
|
|
"select name from system.zookeeper where path='/clickhouse/task_queue/ddl/{}/finished' and name like '%node1%'".format(
|
|
query_znode
|
|
)
|
|
)[:-1]
|
|
|
|
node1.query(
|
|
"insert into system.zookeeper (name, path, value) values ('{}', '/clickhouse/task_queue/ddl', '{}')".format(
|
|
query_znode, value.replace("node1", "imaginary.old.hostname")
|
|
)
|
|
)
|
|
started_cluster.get_kazoo_client("zoo1").delete(
|
|
"/clickhouse/task_queue/ddl/{}/finished/{}".format(query_znode, finished_znode)
|
|
)
|
|
|
|
node1.query(
|
|
"insert into system.zookeeper (name, path, value) values ('{}', '/clickhouse/task_queue/ddl/{}/finished', '0\\n')".format(
|
|
finished_znode.replace("node1", "imaginary.old.hostname"), query_znode
|
|
)
|
|
)
|
|
|
|
node1.restart_clickhouse(kill=True)
|
|
|
|
node1.query(
|
|
"create table hostname_change2 on cluster test_cluster (n int) engine=Log"
|
|
)
|