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50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
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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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node1 = cluster.add_instance('node1', with_zookeeper=True)
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node2 = cluster.add_instance('node2', with_zookeeper=True)
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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 test_attach_detach(start_cluster):
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node1.query("""
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CREATE TABLE test (key UInt64)
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ENGINE = ReplicatedMergeTree('/clickhouse/test', '1')
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ORDER BY tuple()
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SETTINGS index_granularity_bytes = 0""")
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node1.query("INSERT INTO test VALUES (1), (2)")
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node2.query("""
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CREATE TABLE test (key UInt64)
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ENGINE = ReplicatedMergeTree('/clickhouse/test', '2')
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ORDER BY tuple()""")
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node2.query("INSERT INTO test VALUES (3), (4)")
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node1.query("SYSTEM SYNC REPLICA test")
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node2.query("SYSTEM SYNC REPLICA test")
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assert node1.query("SELECT COUNT() FROM test") == "4\n"
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assert node2.query("SELECT COUNT() FROM test") == "4\n"
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node1.query("DETACH TABLE test")
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node2.query("DETACH TABLE test")
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node1.query("ATTACH TABLE test")
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node2.query("ATTACH TABLE test")
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assert node1.query("SELECT COUNT() FROM test") == "4\n"
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assert node2.query("SELECT COUNT() FROM test") == "4\n"
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