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https://github.com/ClickHouse/ClickHouse.git
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60 lines
2.3 KiB
Python
60 lines
2.3 KiB
Python
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import time
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import pytest
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from helpers.cluster import ClickHouseCluster
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from multiprocessing.dummy import Pool
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from helpers.client import QueryRuntimeException, QueryTimeoutExceedException
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from helpers.test_tools import assert_eq_with_retry
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance('node', config_dir="configs", main_configs=['configs/remote_servers.xml'])
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@pytest.fixture(scope="module")
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def started_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 test_single_file(started_cluster):
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node.query("create table distr_1 (x UInt64, s String) engine = Distributed('test_cluster', database, table)")
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node.query("insert into distr_1 values (1, 'a'), (2, 'bb'), (3, 'ccc')")
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query = "select * from file('/var/lib/clickhouse/data/default/distr_1/default@not_existing:9000/1.bin', 'Distributed')"
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out = node.exec_in_container(['/usr/bin/clickhouse', 'local', '--stacktrace', '-q', query])
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assert out == '1\ta\n2\tbb\n3\tccc\n'
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query = "create table t (dummy UInt32) engine = File('Distributed', '/var/lib/clickhouse/data/default/distr_1/default@not_existing:9000/1.bin');" \
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"select * from t"
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out = node.exec_in_container(['/usr/bin/clickhouse', 'local', '--stacktrace', '-q', query])
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assert out == '1\ta\n2\tbb\n3\tccc\n'
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node.query("drop table distr_1")
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def test_two_files(started_cluster):
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node.query("create table distr_2 (x UInt64, s String) engine = Distributed('test_cluster', database, table)")
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node.query("insert into distr_2 values (0, '_'), (1, 'a')")
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node.query("insert into distr_2 values (2, 'bb'), (3, 'ccc')")
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query = "select * from file('/var/lib/clickhouse/data/default/distr_2/default@not_existing:9000/{1,2,3,4}.bin', 'Distributed') order by x"
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out = node.exec_in_container(['/usr/bin/clickhouse', 'local', '--stacktrace', '-q', query])
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assert out == '0\t_\n1\ta\n2\tbb\n3\tccc\n'
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query = "create table t (dummy UInt32) engine = File('Distributed', '/var/lib/clickhouse/data/default/distr_2/default@not_existing:9000/{1,2,3,4}.bin');" \
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"select * from t order by x"
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out = node.exec_in_container(['/usr/bin/clickhouse', 'local', '--stacktrace', '-q', query])
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assert out == '0\t_\n1\ta\n2\tbb\n3\tccc\n'
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node.query("drop table distr_2")
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