ClickHouse/tests/integration/test_merge_tree_empty_parts/test.py
Alexander Tokmakov f3b4959e05 fix
2023-05-23 20:45:16 +02:00

63 lines
2.0 KiB
Python

import pytest
import helpers.client
import helpers.cluster
from helpers.test_tools import assert_eq_with_retry
cluster = helpers.cluster.ClickHouseCluster(__file__)
node1 = cluster.add_instance(
"node1",
main_configs=["configs/remote_servers.xml", "configs/cleanup_thread.xml"],
with_zookeeper=True,
)
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_empty_parts_alter_delete(started_cluster):
node1.query(
"CREATE TABLE empty_parts_delete (d Date, key UInt64, value String) "
"ENGINE = ReplicatedMergeTree('/clickhouse/tables/empty_parts_delete', 'r1') "
"PARTITION BY toYYYYMM(d) ORDER BY key "
"SETTINGS old_parts_lifetime = 1, cleanup_delay_period=0, cleanup_thread_preferred_points_per_iteration=0"
)
node1.query("INSERT INTO empty_parts_delete VALUES (toDate('2020-10-10'), 1, 'a')")
node1.query(
"ALTER TABLE empty_parts_delete DELETE WHERE 1 SETTINGS mutations_sync = 2"
)
print(node1.query("SELECT count() FROM empty_parts_delete"))
assert_eq_with_retry(
node1,
"SELECT count() FROM system.parts WHERE table = 'empty_parts_delete' AND active",
"0",
)
def test_empty_parts_summing(started_cluster):
node1.query(
"CREATE TABLE empty_parts_summing (d Date, key UInt64, value Int64) "
"ENGINE = ReplicatedSummingMergeTree('/clickhouse/tables/empty_parts_summing', 'r1') "
"PARTITION BY toYYYYMM(d) ORDER BY key "
"SETTINGS old_parts_lifetime = 1, cleanup_delay_period=0, cleanup_thread_preferred_points_per_iteration=0"
)
node1.query("INSERT INTO empty_parts_summing VALUES (toDate('2020-10-10'), 1, 1)")
node1.query("INSERT INTO empty_parts_summing VALUES (toDate('2020-10-10'), 1, -1)")
node1.query("OPTIMIZE TABLE empty_parts_summing FINAL")
assert_eq_with_retry(
node1,
"SELECT count() FROM system.parts WHERE table = 'empty_parts_summing' AND active",
"0",
)