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https://github.com/ClickHouse/ClickHouse.git
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140 lines
4.3 KiB
Python
140 lines
4.3 KiB
Python
import pytest
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import time
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import assert_eq_with_retry, exec_query_with_retry
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance(
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"node1",
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with_zookeeper=True,
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image="yandex/clickhouse-server",
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tag="20.4.9.110",
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with_installed_binary=True,
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stay_alive=True,
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main_configs=[
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"configs/compat.xml",
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],
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)
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node2 = cluster.add_instance(
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"node2",
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with_zookeeper=True,
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image="yandex/clickhouse-server",
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tag="20.4.9.110",
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with_installed_binary=True,
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stay_alive=True,
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main_configs=[
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"configs/compat.xml",
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],
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)
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node3 = cluster.add_instance(
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"node3",
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with_zookeeper=True,
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image="yandex/clickhouse-server",
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tag="20.4.9.110",
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with_installed_binary=True,
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stay_alive=True,
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main_configs=[
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"configs/compat.xml",
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],
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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_mutate_and_upgrade(start_cluster):
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for node in [node1, node2]:
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node.query("DROP TABLE IF EXISTS mt")
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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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)
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)
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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=15)
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node2.query("DETACH TABLE mt") # stop being leader
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node1.query("DETACH TABLE mt") # stop being leader
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node1.restart_with_latest_version(signal=9, fix_metadata=True)
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node2.restart_with_latest_version(signal=9, fix_metadata=True)
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# After hard restart table can be in readonly mode
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exec_query_with_retry(
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node2, "INSERT INTO mt VALUES ('2020-02-13', 3)", retry_count=60
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)
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exec_query_with_retry(node1, "SYSTEM SYNC REPLICA mt", retry_count=60)
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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=15)
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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=15)
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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(
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"ALTER TABLE mt MODIFY COLUMN id Int32 DEFAULT 0",
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settings={"replication_alter_partitions_sync": "2"},
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)
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node2.query("OPTIMIZE TABLE mt FINAL")
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assert node1.query("SELECT id FROM mt ORDER BY id") == "1\n4\n"
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assert node2.query("SELECT id FROM mt ORDER BY id") == "1\n4\n"
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for node in [node1, node2]:
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node.query("DROP TABLE mt")
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def test_upgrade_while_mutation(start_cluster):
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node3.query("DROP TABLE IF EXISTS mt1")
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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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)
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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 mt1")
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node3.query("ALTER TABLE mt1 DELETE WHERE id % 2 == 0")
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node3.query("DETACH TABLE mt1") # stop being leader
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# Flush logs before restart to avoid trash from system tables which are on database ordindary
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# (We could be in process of creating some system table, which will leave empty directory on restart,
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# so when we start moving system tables from ordinary to atomic db, it will complain about some undeleted files)
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node3.query("SYSTEM FLUSH LOGS")
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node3.restart_with_latest_version(signal=9, fix_metadata=True)
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# checks for readonly
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exec_query_with_retry(node3, "OPTIMIZE TABLE mt1", sleep_time=5, retry_count=60)
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node3.query(
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"ALTER TABLE mt1 DELETE WHERE id > 100000", settings={"mutations_sync": "2"}
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)
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# will delete nothing, but previous async mutation will finish with this query
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assert_eq_with_retry(node3, "SELECT COUNT() from mt1", "50000\n")
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node3.query("DROP TABLE mt1")
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