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https://github.com/ClickHouse/ClickHouse.git
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e70cff2cea
Before this patch, and after transaction support had been added #24258, if the server had not removed old parts on shutdown, then they will left forever. Fixes: #24258 (cc @tavplubix) v2: use Tx::PrehistoricTID over removePartsFromWorkingSet() from ctor v3: apply black to new test Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
72 lines
1.7 KiB
Python
72 lines
1.7 KiB
Python
# pylint: disable=unused-argument
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# pylint: disable=redefined-outer-name
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# pylint: disable=line-too-long
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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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node = cluster.add_instance("node", stay_alive=True)
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def query_split(node, query):
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return list(
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map(lambda x: x.strip().split("\t"), node.query(query).strip().split("\n"))
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)
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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_parts_removal_on_abnormal_exit(start_cluster):
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node.query(
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"""
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create table test_parts_removal (key Int) engine=MergeTree order by key;
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insert into test_parts_removal values (1); -- all_1_1_0
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insert into test_parts_removal values (2); -- all_1_2_0
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optimize table test_parts_removal; -- all_2_2_0
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"""
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)
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parts = query_split(
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node, "select name, _state from system.parts where table = 'test_parts_removal'"
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)
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assert parts == [
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["all_1_1_0", "Outdated"],
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["all_1_2_1", "Active"],
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["all_2_2_0", "Outdated"],
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]
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node.restart_clickhouse(kill=True)
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parts = query_split(
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node, "select name, _state from system.parts where table = 'test_parts_removal'"
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)
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assert parts == [
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["all_1_1_0", "Outdated"],
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["all_1_2_1", "Active"],
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["all_2_2_0", "Outdated"],
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]
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node.query(
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"""
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detach table test_parts_removal;
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attach table test_parts_removal;
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"""
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)
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parts = query_split(
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node, "select name, _state from system.parts where table = 'test_parts_removal'"
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)
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assert parts == [
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["all_1_2_1", "Active"],
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]
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