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79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
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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# no adaptive granularity by default
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node3 = cluster.add_instance('node3', image='yandex/clickhouse-server:19.9.5.36', with_installed_binary=True, stay_alive=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() SETTINGS enable_mixed_granularity_parts = 0""")
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node2.query("INSERT INTO test VALUES (3), (4)")
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node1.query("SYSTEM SYNC REPLICA test", timeout=10)
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node2.query("SYSTEM SYNC REPLICA test", timeout=10)
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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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def test_mutate_with_mixed_granularity(start_cluster):
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node3.query("""
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CREATE TABLE test (date Date, key UInt64, value1 String, value2 String)
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ENGINE = MergeTree
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ORDER BY key PARTITION BY date""")
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node3.query("INSERT INTO test SELECT toDate('2019-10-01') + number % 5, number, toString(number), toString(number * number) FROM numbers(500)")
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assert node3.query("SELECT COUNT() FROM test") == "500\n"
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node3.restart_with_latest_version()
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assert node3.query("SELECT COUNT() FROM test") == "500\n"
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node3.query("ALTER TABLE test MODIFY SETTING enable_mixed_granularity_parts = 1")
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node3.query("INSERT INTO test SELECT toDate('2019-10-01') + number % 5, number, toString(number), toString(number * number) FROM numbers(500, 500)")
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assert node3.query("SELECT COUNT() FROM test") == "1000\n"
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assert node3.query("SELECT COUNT() FROM test WHERE key % 100 == 0") == "10\n"
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node3.query("ALTER TABLE test DELETE WHERE key % 100 == 0", settings={"mutations_sync": "2"})
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assert node3.query("SELECT COUNT() FROM test WHERE key % 100 == 0") == "0\n"
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