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72 lines
1.8 KiB
Python
72 lines
1.8 KiB
Python
import pytest
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import logging
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance("node", with_zookeeper=True)
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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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yield cluster
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finally:
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cluster.shutdown()
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# This test construct intersecting parts intentially. It's not a elegent test.
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# TODO(hanfei): write a test which select part 1_1 merging with part 2_2 and drop range.
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def test_intersect_parts_when_restart(started_cluster):
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node.query(
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"""
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CREATE TABLE data (
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key Int
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)
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ENGINE = ReplicatedMergeTree('/ch/tables/default/data', 'node')
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ORDER BY key;
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"""
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)
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node.query("system stop cleanup data")
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node.query("INSERT INTO data values (1)")
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node.query("INSERT INTO data values (2)")
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node.query("INSERT INTO data values (3)")
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node.query("INSERT INTO data values (4)")
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node.query("ALTER TABLE data DROP PART 'all_1_1_0'")
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node.query("ALTER TABLE data DROP PART 'all_2_2_0'")
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node.query("OPTIMIZE TABLE data FINAL")
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part_path = node.query(
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"SELECT path FROM system.parts WHERE table = 'data' and name = 'all_0_3_1'"
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).strip()
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assert len(part_path) != 0
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node.query("detach table data")
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new_path = part_path[:-6] + "1_2_3"
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node.exec_in_container(
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[
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"bash",
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"-c",
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"cp -r {p} {p1}".format(p=part_path, p1=new_path),
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],
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privileged=True,
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)
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# mock empty part
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node.exec_in_container(
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[
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"bash",
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"-c",
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"echo -n 0 > {p1}/count.txt".format(p1=new_path),
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],
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privileged=True,
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)
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node.query("attach table data")
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data_size = node.query("SELECT sum(key) FROM data").strip()
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assert data_size == "5"
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