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62 lines
1.6 KiB
Python
62 lines
1.6 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")
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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_without_checksums(start_cluster):
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node1.query(
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"CREATE TABLE test (date Date, key Int32, value String) Engine=MergeTree ORDER BY key PARTITION by date"
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)
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node1.query(
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"INSERT INTO test SELECT toDate('2019-10-01'), number, toString(number) FROM numbers(100)"
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)
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assert node1.query("SELECT COUNT() FROM test WHERE key % 10 == 0") == "10\n"
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node1.query("ALTER TABLE test DETACH PARTITION '2019-10-01'")
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assert node1.query("SELECT COUNT() FROM test WHERE key % 10 == 0") == "0\n"
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assert node1.query("SELECT COUNT() FROM test") == "0\n"
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# to be sure output not empty
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node1.exec_in_container(
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[
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"bash",
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"-c",
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'find /var/lib/clickhouse/data/default/test/detached -name "checksums.txt" | grep -e ".*" ',
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],
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privileged=True,
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user="root",
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)
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node1.exec_in_container(
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[
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"bash",
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"-c",
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'find /var/lib/clickhouse/data/default/test/detached -name "checksums.txt" -delete',
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],
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privileged=True,
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user="root",
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)
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node1.query("ALTER TABLE test ATTACH PARTITION '2019-10-01'")
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assert node1.query("SELECT COUNT() FROM test WHERE key % 10 == 0") == "10\n"
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assert node1.query("SELECT COUNT() FROM test") == "100\n"
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node1.query("DROP TABLE test")
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