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66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
# pylint: disable=unused-argument
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# pylint: disable=redefined-outer-name
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# pylint: disable=line-too-long
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import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance('node',
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config_dir='configs',
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tmpfs=['/disk1:size=100M', '/disk2:size=100M'])
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@pytest.fixture(scope='module')
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def start_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def _files_in_dist_mon(node, root, table):
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return int(node.exec_in_container([
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'bash',
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'-c',
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# `-maxdepth 1` to avoid /tmp/ subdirectory
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'find /{root}/data/default/{table}/default@127%2E0%2E0%2E2:9000 -maxdepth 1 -type f | wc -l'.format(root=root, table=table)
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]).split('\n')[0])
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def test_different_versions(start_cluster):
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node.query('CREATE TABLE foo (key Int) Engine=Memory()')
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node.query("""
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CREATE TABLE dist_foo (key Int)
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Engine=Distributed(
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test_cluster_two_shards,
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currentDatabase(),
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foo,
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key%2,
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'default'
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)
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""")
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# manual only
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node.query('SYSTEM STOP DISTRIBUTED SENDS dist_foo')
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node.query('INSERT INTO dist_foo SELECT * FROM numbers(100)')
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assert _files_in_dist_mon(node, 'disk1', 'dist_foo') == 1
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assert _files_in_dist_mon(node, 'disk2', 'dist_foo') == 0
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assert node.query('SELECT count() FROM dist_foo') == '100\n'
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node.query('SYSTEM FLUSH DISTRIBUTED dist_foo')
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assert node.query('SELECT count() FROM dist_foo') == '200\n'
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#
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# RENAME
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#
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node.query('RENAME TABLE dist_foo TO dist2_foo')
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node.query('INSERT INTO dist2_foo SELECT * FROM numbers(100)')
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assert _files_in_dist_mon(node, 'disk1', 'dist2_foo') == 0
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assert _files_in_dist_mon(node, 'disk2', 'dist2_foo') == 1
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assert node.query('SELECT count() FROM dist2_foo') == '300\n'
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node.query('SYSTEM FLUSH DISTRIBUTED dist2_foo')
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assert node.query('SELECT count() FROM dist2_foo') == '400\n'
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