mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-15 10:52:30 +00:00
70 lines
2.4 KiB
Python
70 lines
2.4 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
|
|
)
|
|
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"
|