mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-04 21:42:39 +00:00
66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
# pylint: disable=unused-argument
|
|
# pylint: disable=redefined-outer-name
|
|
# pylint: disable=line-too-long
|
|
|
|
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 _files_in_dist_mon(node, root, table):
|
|
return int(node.exec_in_container([
|
|
'bash',
|
|
'-c',
|
|
# `-maxdepth 1` to avoid /tmp/ subdirectory
|
|
'find /{root}/data/default/{table}/default@127%2E0%2E0%2E2:9000 -maxdepth 1 -type f | wc -l'.format(root=root, table=table)
|
|
]).split('\n')[0])
|
|
|
|
def test_different_versions(start_cluster):
|
|
node.query('CREATE TABLE foo (key Int) Engine=Memory()')
|
|
node.query("""
|
|
CREATE TABLE dist_foo (key Int)
|
|
Engine=Distributed(
|
|
test_cluster_two_shards,
|
|
currentDatabase(),
|
|
foo,
|
|
key%2,
|
|
'default'
|
|
)
|
|
""")
|
|
# manual only
|
|
node.query('SYSTEM STOP DISTRIBUTED SENDS dist_foo')
|
|
|
|
node.query('INSERT INTO dist_foo SELECT * FROM numbers(100)')
|
|
assert _files_in_dist_mon(node, 'disk1', 'dist_foo') == 1
|
|
assert _files_in_dist_mon(node, 'disk2', 'dist_foo') == 0
|
|
|
|
assert node.query('SELECT count() FROM dist_foo') == '100\n'
|
|
node.query('SYSTEM FLUSH DISTRIBUTED dist_foo')
|
|
assert node.query('SELECT count() FROM dist_foo') == '200\n'
|
|
|
|
#
|
|
# RENAME
|
|
#
|
|
node.query('RENAME TABLE dist_foo TO dist2_foo')
|
|
|
|
node.query('INSERT INTO dist2_foo SELECT * FROM numbers(100)')
|
|
assert _files_in_dist_mon(node, 'disk1', 'dist2_foo') == 0
|
|
assert _files_in_dist_mon(node, 'disk2', 'dist2_foo') == 1
|
|
|
|
assert node.query('SELECT count() FROM dist2_foo') == '300\n'
|
|
node.query('SYSTEM FLUSH DISTRIBUTED dist2_foo')
|
|
assert node.query('SELECT count() FROM dist2_foo') == '400\n'
|