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66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node_old = cluster.add_instance(
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"node1",
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main_configs=["configs/remote_servers.xml"],
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image="yandex/clickhouse-server",
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tag="20.8.9.6",
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stay_alive=True,
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with_installed_binary=True,
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allow_analyzer=False,
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)
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node_new = cluster.add_instance(
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"node2",
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main_configs=["configs/remote_servers.xml"],
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user_configs=["configs/legacy.xml"],
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)
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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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for node in (node_old, node_new):
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node.query(
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"CREATE TABLE local_table(id UInt32, val String) ENGINE = MergeTree ORDER BY id"
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)
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node_old.query("INSERT INTO local_table VALUES (1, 'node1')")
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node_new.query("INSERT INTO local_table VALUES (2, 'node2')")
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node_old.query(
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"CREATE TABLE distributed(id UInt32, val String) ENGINE = Distributed(test_cluster, default, local_table)"
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)
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node_new.query(
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"CREATE TABLE distributed(id UInt32, val String) ENGINE = Distributed(test_cluster, default, local_table)"
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)
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yield cluster
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finally:
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cluster.shutdown()
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def test_distributed_in_tuple(started_cluster):
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query1 = "SELECT count() FROM distributed WHERE (id, val) IN ((1, 'node1'), (2, 'a'), (3, 'b'))"
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query2 = (
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"SELECT sum((id, val) IN ((1, 'node1'), (2, 'a'), (3, 'b'))) FROM distributed"
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)
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assert node_old.query(query1) == "1\n"
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assert node_old.query(query2) == "1\n"
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assert node_new.query(query1) == "1\n"
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assert node_new.query(query2) == "1\n"
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large_set = "(" + ",".join([str(i) for i in range(1000)]) + ")"
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query3 = "SELECT count() FROM distributed WHERE id IN " + large_set
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query4 = "SELECT sum(id IN {}) FROM distributed".format(large_set)
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assert node_old.query(query3) == "2\n"
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assert node_old.query(query4) == "2\n"
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assert node_new.query(query3) == "2\n"
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assert node_new.query(query4) == "2\n"
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