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54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.client import QueryRuntimeException
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cluster = ClickHouseCluster(__file__)
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node_shard = cluster.add_instance("node1", main_configs=["configs/remote_servers.xml"])
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node_dist = cluster.add_instance(
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"node2",
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main_configs=["configs/remote_servers.xml"],
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image="yandex/clickhouse-server",
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tag="21.6",
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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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@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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node_shard.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_dist.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_dist.query(
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"CREATE TABLE dist_table(id UInt32, val String) ENGINE = Distributed(test_cluster, default, local_table, rand())"
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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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node_dist.query("SYSTEM STOP DISTRIBUTED SENDS dist_table")
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node_dist.query("INSERT INTO dist_table VALUES (1, 'foo')")
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assert node_dist.query("SELECT count() FROM dist_table") == "0\n"
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assert node_shard.query("SELECT count() FROM local_table") == "0\n"
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node_dist.restart_with_latest_version(signal=9)
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node_dist.query("SYSTEM FLUSH DISTRIBUTED dist_table")
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assert node_dist.query("SELECT count() FROM dist_table") == "1\n"
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assert node_shard.query("SELECT count() FROM local_table") == "1\n"
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