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89 lines
2.3 KiB
Python
89 lines
2.3 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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ch1 = cluster.add_instance(
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"ch1",
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with_zookeeper=True,
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macros={"replica": "node1"},
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stay_alive=True,
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)
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database_name = "dedup_attach"
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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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def q(query):
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return ch1.query(database=database_name, sql=query)
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def test_deduplicated_attached_part_renamed_after_attach(started_cluster):
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ch1.query(f"CREATE DATABASE {database_name}")
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q(
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"CREATE TABLE dedup (id UInt32) ENGINE=ReplicatedMergeTree('/clickhouse/tables/dedup_attach/dedup/s1', 'r1') ORDER BY id;"
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)
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q("INSERT INTO dedup VALUES (1),(2),(3);")
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table_data_path = q(
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"SELECT data_paths FROM system.tables WHERE database=currentDatabase() AND table='dedup'"
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).strip("'[]\n")
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ch1.exec_in_container(
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[
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"bash",
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"-c",
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f"cp -r {table_data_path}/all_0_0_0 {table_data_path}/detached/all_0_0_0",
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]
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)
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# Part is attached as all_1_1_0
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q("ALTER TABLE dedup ATTACH PART 'all_0_0_0'")
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assert 2 == int(
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q(
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f"SELECT count() FROM system.parts WHERE database='{database_name}' AND table = 'dedup'"
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).strip()
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)
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ch1.exec_in_container(
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[
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"bash",
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"-c",
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f"cp -r {table_data_path}/all_1_1_0 {table_data_path}/detached/all_1_1_0",
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]
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)
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# Part is deduplicated and not attached
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q("ALTER TABLE dedup ATTACH PART 'all_1_1_0'")
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assert 2 == int(
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q(
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f"SELECT count() FROM system.parts WHERE database='{database_name}' AND table = 'dedup'"
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).strip()
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)
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assert 1 == int(
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q(
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f"SELECT count() FROM system.detached_parts WHERE database='{database_name}' AND table = 'dedup'"
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).strip()
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)
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# Check that it is not 'attaching_all_1_1_0'
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assert (
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"all_1_1_0"
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== q(
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f"SELECT name FROM system.detached_parts WHERE database='{database_name}' AND table = 'dedup'"
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).strip()
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)
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q("DROP TABLE dedup")
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q("SYSTEM DROP REPLICA 'r1' FROM ZKPATH '/clickhouse/tables/dedup_attach/dedup/s1'")
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ch1.query(f"DROP DATABASE {database_name}")
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