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https://github.com/ClickHouse/ClickHouse.git
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b75963d370
This PR formats all the `*.py` files found under the `tests/integration` folder. It also reorders the imports and cleans up a bunch of unused imports. The formatting also takes care of other things like wrapping lines and fixing spaces and indents such that the tests look more readable.
85 lines
3.1 KiB
Python
85 lines
3.1 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import assert_eq_with_retry
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', with_zookeeper=True, image='yandex/clickhouse-server', tag='20.1.10.70',
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with_installed_binary=True, stay_alive=True)
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node2 = cluster.add_instance('node2', with_zookeeper=True, image='yandex/clickhouse-server', tag='20.1.10.70',
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with_installed_binary=True, stay_alive=True)
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node3 = cluster.add_instance('node3', with_zookeeper=True, image='yandex/clickhouse-server', tag='20.1.10.70',
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with_installed_binary=True, stay_alive=True)
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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_mutate_and_upgrade(start_cluster):
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for node in [node1, node2]:
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node.query(
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"CREATE TABLE mt (EventDate Date, id UInt64) ENGINE ReplicatedMergeTree('/clickhouse/tables/t', '{}') ORDER BY tuple()".format(
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node.name))
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node1.query("INSERT INTO mt VALUES ('2020-02-13', 1), ('2020-02-13', 2);")
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node1.query("ALTER TABLE mt DELETE WHERE id = 2", settings={"mutations_sync": "2"})
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node2.query("SYSTEM SYNC REPLICA mt", timeout=5)
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node1.restart_with_latest_version()
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node2.restart_with_latest_version()
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node2.query("INSERT INTO mt VALUES ('2020-02-13', 3);")
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node1.query("SYSTEM SYNC REPLICA mt", timeout=5)
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assert node1.query("SELECT COUNT() FROM mt") == "2\n"
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assert node2.query("SELECT COUNT() FROM mt") == "2\n"
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node1.query("INSERT INTO mt VALUES ('2020-02-13', 4);")
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node2.query("SYSTEM SYNC REPLICA mt", timeout=5)
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assert node1.query("SELECT COUNT() FROM mt") == "3\n"
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assert node2.query("SELECT COUNT() FROM mt") == "3\n"
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node2.query("ALTER TABLE mt DELETE WHERE id = 3", settings={"mutations_sync": "2"})
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node1.query("SYSTEM SYNC REPLICA mt", timeout=5)
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assert node1.query("SELECT COUNT() FROM mt") == "2\n"
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assert node2.query("SELECT COUNT() FROM mt") == "2\n"
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node1.query("ALTER TABLE mt MODIFY COLUMN id String DEFAULT '0'",
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settings={"replication_alter_partitions_sync": "2"})
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node2.query("OPTIMIZE TABLE mt FINAL")
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assert node1.query("SELECT id FROM mt") == "1\n4\n"
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assert node2.query("SELECT id FROM mt") == "1\n4\n"
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def test_upgrade_while_mutation(start_cluster):
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node3.query(
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"CREATE TABLE mt1 (EventDate Date, id UInt64) ENGINE ReplicatedMergeTree('/clickhouse/tables/t1', 'node3') ORDER BY tuple()")
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node3.query("INSERT INTO mt1 select '2020-02-13', number from numbers(100000)")
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node3.query("SYSTEM STOP MERGES")
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node3.query("ALTER TABLE mt1 DELETE WHERE id % 2 == 0")
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node3.restart_with_latest_version()
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# will delete nothing, but previous async mutation will finish with this query
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node3.query("ALTER TABLE mt1 DELETE WHERE id > 100000", settings={"mutations_sync": "2"})
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assert_eq_with_retry(node3, "SELECT COUNT() from mt1", "50000\n")
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