ClickHouse/tests/integration/test_distributed_format/test.py

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import time
import pytest
from helpers.cluster import ClickHouseCluster
from multiprocessing.dummy import Pool
from helpers.client import QueryRuntimeException, QueryTimeoutExceedException
from helpers.test_tools import assert_eq_with_retry
cluster = ClickHouseCluster(__file__)
node = cluster.add_instance('node', config_dir="configs", main_configs=['configs/remote_servers.xml'])
cluster_param = pytest.mark.parametrize("cluster", [
('test_cluster'),
('test_cluster_2'),
])
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@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
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node.query("create database test engine=Ordinary")
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yield cluster
finally:
cluster.shutdown()
@cluster_param
def test_single_file(started_cluster, cluster):
node.query("create table test.distr_1 (x UInt64, s String) engine = Distributed('{}', database, table)".format(cluster))
node.query("insert into test.distr_1 values (1, 'a'), (2, 'bb'), (3, 'ccc')", settings={"use_compact_format_in_distributed_parts_names": "1"})
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query = "select * from file('/var/lib/clickhouse/data/test/distr_1/shard1_replica1/1.bin', 'Distributed')"
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out = node.exec_in_container(['/usr/bin/clickhouse', 'local', '--stacktrace', '-q', query])
assert out == '1\ta\n2\tbb\n3\tccc\n'
query = "create table t (dummy UInt32) engine = File('Distributed', '/var/lib/clickhouse/data/test/distr_1/shard1_replica1/1.bin');" \
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"select * from t"
out = node.exec_in_container(['/usr/bin/clickhouse', 'local', '--stacktrace', '-q', query])
assert out == '1\ta\n2\tbb\n3\tccc\n'
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node.query("drop table test.distr_1")
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@cluster_param
def test_two_files(started_cluster, cluster):
node.query("create table test.distr_2 (x UInt64, s String) engine = Distributed('{}', database, table)".format(cluster))
node.query("insert into test.distr_2 values (0, '_'), (1, 'a')", settings={"use_compact_format_in_distributed_parts_names": "1"})
node.query("insert into test.distr_2 values (2, 'bb'), (3, 'ccc')", settings={"use_compact_format_in_distributed_parts_names": "1"})
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query = "select * from file('/var/lib/clickhouse/data/test/distr_2/shard1_replica1/{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])
assert out == '0\t_\n1\ta\n2\tbb\n3\tccc\n'
query = "create table t (dummy UInt32) engine = File('Distributed', '/var/lib/clickhouse/data/test/distr_2/shard1_replica1/{1,2,3,4}.bin');" \
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"select * from t order by x"
out = node.exec_in_container(['/usr/bin/clickhouse', 'local', '--stacktrace', '-q', query])
assert out == '0\t_\n1\ta\n2\tbb\n3\tccc\n'
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node.query("drop table test.distr_2")
@cluster_param
def test_single_file_old(started_cluster, cluster):
node.query("create table test.distr_3 (x UInt64, s String) engine = Distributed('{}', database, table)".format(cluster))
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node.query("insert into test.distr_3 values (1, 'a'), (2, 'bb'), (3, 'ccc')")
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query = "select * from file('/var/lib/clickhouse/data/test/distr_3/default@not_existing:9000/1.bin', 'Distributed')"
out = node.exec_in_container(['/usr/bin/clickhouse', 'local', '--stacktrace', '-q', query])
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/test/distr_3/default@not_existing:9000/1.bin');" \
"select * from t"
out = node.exec_in_container(['/usr/bin/clickhouse', 'local', '--stacktrace', '-q', query])
assert out == '1\ta\n2\tbb\n3\tccc\n'
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node.query("drop table test.distr_3")