ClickHouse/dbms/tests/integration/test_tmp_policy/test.py
2020-01-23 20:31:19 +03:00

35 lines
1.1 KiB
Python

# pylint: disable=unused-argument
# pylint: disable=redefined-outer-name
import pytest
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node = cluster.add_instance('node',
config_dir='configs',
tmpfs=['/disk1:size=100M', '/disk2:size=100M'])
@pytest.fixture(scope='module')
def start_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_different_versions(start_cluster):
query = 'SELECT count(ignore(*)) FROM (SELECT * FROM system.numbers LIMIT 1e7) GROUP BY number'
settings = {
'max_bytes_before_external_group_by': 1<<20,
'max_bytes_before_external_sort': 1<<20,
}
assert node.contains_in_log('Setting up /disk1/ to store temporary data in it')
assert node.contains_in_log('Setting up /disk2/ to store temporary data in it')
node.query(query, settings=settings)
assert node.contains_in_log('Writing part of aggregation data into temporary file /disk1/')
assert node.contains_in_log('Writing part of aggregation data into temporary file /disk2/')