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72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
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(
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"node", main_configs=["configs/config.xml"], with_zookeeper=True
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)
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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 create_force_drop_flag(node):
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force_drop_flag_path = "/var/lib/clickhouse/flags/force_drop_table"
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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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"touch {} && chmod a=rw {}".format(
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force_drop_flag_path, force_drop_flag_path
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),
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],
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user="root",
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)
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@pytest.mark.parametrize("engine", ["Ordinary", "Atomic"])
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def test_attach_partition_with_large_destination(started_cluster, engine):
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# Initialize
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node.query("CREATE DATABASE db ENGINE={}".format(engine))
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node.query(
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"CREATE TABLE db.destination (n UInt64) ENGINE=ReplicatedMergeTree('/test/destination', 'r1') ORDER BY n PARTITION BY n % 2"
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)
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node.query(
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"CREATE TABLE db.source_1 (n UInt64) ENGINE=ReplicatedMergeTree('/test/source_1', 'r1') ORDER BY n PARTITION BY n % 2"
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)
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node.query("INSERT INTO db.source_1 VALUES (1), (2), (3), (4)")
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node.query(
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"CREATE TABLE db.source_2 (n UInt64) ENGINE=ReplicatedMergeTree('/test/source_2', 'r1') ORDER BY n PARTITION BY n % 2"
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)
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node.query("INSERT INTO db.source_2 VALUES (5), (6), (7), (8)")
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# Attach partition when destination partition is empty
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node.query("ALTER TABLE db.destination ATTACH PARTITION 0 FROM db.source_1")
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assert node.query("SELECT n FROM db.destination ORDER BY n") == "2\n4\n"
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# REPLACE PARTITION should still respect max_partition_size_to_drop
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assert node.query_and_get_error(
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"ALTER TABLE db.destination REPLACE PARTITION 0 FROM db.source_2"
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)
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assert node.query("SELECT n FROM db.destination ORDER BY n") == "2\n4\n"
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# Attach partition when destination partition is larger than max_partition_size_to_drop
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node.query("ALTER TABLE db.destination ATTACH PARTITION 0 FROM db.source_2")
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assert node.query("SELECT n FROM db.destination ORDER BY n") == "2\n4\n6\n8\n"
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# Cleanup
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create_force_drop_flag(node)
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node.query("DROP TABLE db.source_1 SYNC")
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create_force_drop_flag(node)
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node.query("DROP TABLE db.source_2 SYNC")
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create_force_drop_flag(node)
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node.query("DROP TABLE db.destination SYNC")
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node.query("DROP DATABASE db")
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