ClickHouse/dbms/tests/integration/test_version_update_after_mutation/test.py

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2020-03-13 17:23:36 +00:00
import pytest
import time
from helpers.cluster import ClickHouseCluster
from helpers.test_tools import assert_eq_with_retry
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance('node1', with_zookeeper=True, image='yandex/clickhouse-server:20.1.6.3', with_installed_binary=True, stay_alive=True)
node2 = cluster.add_instance('node2', with_zookeeper=True, image='yandex/clickhouse-server:20.1.6.3', with_installed_binary=True, stay_alive=True)
node3 = cluster.add_instance('node3', with_zookeeper=True, image='yandex/clickhouse-server:20.1.6.3', with_installed_binary=True, stay_alive=True)
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_mutate_and_upgrade(start_cluster):
for node in [node1, node2]:
node.query("CREATE TABLE mt (EventDate Date, id UInt64) ENGINE ReplicatedMergeTree('/clickhouse/tables/t', '{}') ORDER BY tuple()".format(node.name))
node1.query("INSERT INTO mt VALUES ('2020-02-13', 1), ('2020-02-13', 2);")
node1.query("ALTER TABLE mt DELETE WHERE id = 2", settings={"mutations_sync": "2"})
node2.query("SYSTEM SYNC REPLICA mt", timeout=5)
node1.restart_with_latest_version()
node2.restart_with_latest_version()
node2.query("INSERT INTO mt VALUES ('2020-02-13', 3);")
node1.query("SYSTEM SYNC REPLICA mt", timeout=5)
assert node1.query("SELECT COUNT() FROM mt") == "2\n"
assert node2.query("SELECT COUNT() FROM mt") == "2\n"
node1.query("INSERT INTO mt VALUES ('2020-02-13', 4);")
node2.query("SYSTEM SYNC REPLICA mt", timeout=5)
assert node1.query("SELECT COUNT() FROM mt") == "3\n"
assert node2.query("SELECT COUNT() FROM mt") == "3\n"
node2.query("ALTER TABLE mt DELETE WHERE id = 3", settings={"mutations_sync": "2"})
node1.query("SYSTEM SYNC REPLICA mt", timeout=5)
assert node1.query("SELECT COUNT() FROM mt") == "2\n"
assert node2.query("SELECT COUNT() FROM mt") == "2\n"
node1.query("ALTER TABLE mt MODIFY COLUMN id String DEFAULT '0'", settings={"replication_alter_partitions_sync": "2"})
node2.query("OPTIMIZE TABLE mt FINAL")
assert node1.query("SELECT id FROM mt") == "1\n4\n"
assert node2.query("SELECT id FROM mt") == "1\n4\n"
def test_upgrade_while_mutation(start_cluster):
node3.query("CREATE TABLE mt1 (EventDate Date, id UInt64) ENGINE ReplicatedMergeTree('/clickhouse/tables/t1', 'node3') ORDER BY tuple()")
node3.query("INSERT INTO mt1 select '2020-02-13', number from numbers(100000)")
node3.query("SYSTEM STOP MERGES")
node3.query("ALTER TABLE mt1 DELETE WHERE id % 2 == 0")
node3.restart_with_latest_version()
assert_eq_with_retry(node3, "SELECT COUNT() from mt1", "50000\n")