ClickHouse/tests/integration/test_backward_compatibility/test_cte_distributed.py
2023-10-31 17:20:07 +01:00

64 lines
1.2 KiB
Python

import pytest
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance("node1", with_zookeeper=False, allow_analyzer=False)
node2 = cluster.add_instance(
"node2",
with_zookeeper=False,
image="yandex/clickhouse-server",
tag="21.6",
stay_alive=True,
with_installed_binary=True,
allow_analyzer=False,
)
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_cte_distributed(start_cluster):
node2.query(
"""
WITH
quantile(0.05)(cnt) as p05,
quantile(0.95)(cnt) as p95,
p95 - p05 as inter_percentile_range
SELECT
sum(cnt) as total_requests,
count() as data_points,
inter_percentile_range
FROM (
SELECT
count() as cnt
FROM remote('node{1,2}', numbers(10))
GROUP BY number
)"""
)
node1.query(
"""
WITH
quantile(0.05)(cnt) as p05,
quantile(0.95)(cnt) as p95,
p95 - p05 as inter_percentile_range
SELECT
sum(cnt) as total_requests,
count() as data_points,
inter_percentile_range
FROM (
SELECT
count() as cnt
FROM remote('node{1,2}', numbers(10))
GROUP BY number
)"""
)