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97f2a2213e
* Move some code outside dbms/src folder * Fix paths
61 lines
2.3 KiB
Python
61 lines
2.3 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.network import PartitionManager
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from helpers.test_tools import assert_eq_with_retry
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def fill_nodes(nodes, shard):
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for node in nodes:
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node.query(
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'''
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CREATE DATABASE test;
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CREATE TABLE test_table(date Date, id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test{shard}/replicated', '{replica}')
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ORDER BY id PARTITION BY toYYYYMM(date)
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SETTINGS min_replicated_logs_to_keep=3, max_replicated_logs_to_keep=5, cleanup_delay_period=0, cleanup_delay_period_random_add=0;
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'''.format(shard=shard, replica=node.name))
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'], with_zookeeper=True)
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node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.xml'], with_zookeeper=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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fill_nodes([node1, node2], 1)
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yield cluster
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except Exception as ex:
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print ex
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finally:
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cluster.shutdown()
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def test_inconsistent_parts_if_drop_while_replica_not_active(start_cluster):
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with PartitionManager() as pm:
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# insert into all replicas
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for i in range(50):
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node1.query("INSERT INTO test_table VALUES ('2019-08-16', {})".format(i))
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assert_eq_with_retry(node2, "SELECT count(*) FROM test_table", node1.query("SELECT count(*) FROM test_table"))
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# disable network on the first replica
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pm.partition_instances(node1, node2)
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pm.drop_instance_zk_connections(node1)
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# drop all parts on the second replica
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node2.query_with_retry("ALTER TABLE test_table DROP PARTITION 201908")
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assert_eq_with_retry(node2, "SELECT count(*) FROM test_table", "0")
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# insert into the second replica
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# DROP_RANGE will be removed from the replication log and the first replica will be lost
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for i in range(50):
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node2.query("INSERT INTO test_table VALUES ('2019-08-16', {})".format(50 + i))
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# the first replica will be cloned from the second
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pm.heal_all()
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assert_eq_with_retry(node1, "SELECT count(*) FROM test_table", node2.query("SELECT count(*) FROM test_table"))
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