ClickHouse/tests/integration/test_optimize_on_insert/test.py

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2021-03-15 09:01:26 +00:00
#!/usr/bin/env python3
import pytest
from helpers.client import QueryRuntimeException
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance('node1', with_zookeeper=True)
node2 = cluster.add_instance('node2', with_zookeeper=True)
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def get_data_files_for_table(node, table_name):
raw_output = node.exec_in_container(["bash", "-c", "ls /var/lib/clickhouse/data/default/{}".format(table_name)])
return raw_output.strip().split("\n")
def test_empty_parts_optimize(start_cluster):
for n, node in enumerate([node1, node2]):
node.query("""
CREATE TABLE empty (key UInt32, val UInt32, date Datetime)
ENGINE=ReplicatedSummingMergeTree('/clickhouse/01560_optimize_on_insert', '{}', val)
PARTITION BY date ORDER BY key;
""".format(n+1))
node1.query("INSERT INTO empty VALUES (1, 1, '2020-01-01'), (1, 1, '2020-01-01'), (1, -2, '2020-01-01')")
node2.query("SYSTEM SYNC REPLICA empty", timeout=15)
assert node1.query("SELECT * FROM empty") == ""
assert node2.query("SELECT * FROM empty") == ""
# No other tmp files exists
assert set(get_data_files_for_table(node1, "empty")) == {"detached", "format_version.txt"}
assert set(get_data_files_for_table(node2, "empty")) == {"detached", "format_version.txt"}
node1.query("INSERT INTO empty VALUES (1, 1, '2020-02-01'), (1, 1, '2020-02-01'), (1, -2, '2020-02-01')", settings={"insert_quorum": 2})
assert node1.query("SELECT * FROM empty") == ""
assert node2.query("SELECT * FROM empty") == ""