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99 lines
5.6 KiB
Python
99 lines
5.6 KiB
Python
import time
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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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from helpers.client import QueryRuntimeException
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', config_dir="configs", with_zookeeper=True)
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node2 = cluster.add_instance('node2', config_dir="configs", with_zookeeper=True)
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node3 = cluster.add_instance('node3', config_dir="configs", with_zookeeper=True)
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node4 = cluster.add_instance('node4', config_dir="configs", with_zookeeper=True)
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node5 = cluster.add_instance('node5', config_dir="configs", with_zookeeper=True)
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node6 = cluster.add_instance('node6', config_dir="configs", 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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for node, shard in [(node1, 1), (node2, 1), (node3, 2), (node4, 2), (node5, 3), (node6, 3)]:
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node.query(
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'''
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CREATE TABLE test_table(date Date, id UInt32, dummy UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test{shard}/replicated', '{replica}')
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PARTITION BY date
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ORDER BY id
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'''.format(shard=shard, replica=node.name), settings={"password": "clickhouse"})
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yield cluster
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finally:
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cluster.shutdown()
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def test_truncate(start_cluster):
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node1.query("insert into test_table values ('2019-02-15', 1, 2), ('2019-02-15', 2, 3), ('2019-02-15', 3, 4)", settings={"password": "clickhouse"})
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assert node1.query("select count(*) from test_table", settings={"password": "clickhouse"}) == "3\n"
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node2.query("system sync replica test_table", settings={"password": "clickhouse"})
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assert node2.query("select count(*) from test_table", settings={"password": "clickhouse"}) == "3\n"
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node3.query("insert into test_table values ('2019-02-16', 1, 2), ('2019-02-16', 2, 3), ('2019-02-16', 3, 4)", settings={"password": "clickhouse"})
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assert node3.query("select count(*) from test_table", settings={"password": "clickhouse"}) == "3\n"
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node4.query("system sync replica test_table", settings={"password": "clickhouse"})
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assert node4.query("select count(*) from test_table", settings={"password": "clickhouse"}) == "3\n"
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node3.query("truncate table test_table on cluster 'awesome_cluster'", settings={"password": "clickhouse"})
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for node in [node1, node2, node3, node4]:
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assert_eq_with_retry(node, "select count(*) from test_table", "0", settings={"password": "clickhouse"})
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node2.query("drop table test_table on cluster 'awesome_cluster'", settings={"password": "clickhouse"})
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for node in [node1, node2, node3, node4]:
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assert_eq_with_retry(node, "select count(*) from system.tables where name='test_table'", "0", settings={"password": "clickhouse"})
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def test_alter(start_cluster):
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node5.query("insert into test_table values ('2019-02-15', 1, 2), ('2019-02-15', 2, 3), ('2019-02-15', 3, 4)", settings={"password": "clickhouse"})
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node6.query("insert into test_table values ('2019-02-15', 4, 2), ('2019-02-15', 5, 3), ('2019-02-15', 6, 4)", settings={"password": "clickhouse"})
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node5.query("SYSTEM SYNC REPLICA test_table", settings={"password": "clickhouse"})
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node6.query("SYSTEM SYNC REPLICA test_table", settings={"password": "clickhouse"})
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assert_eq_with_retry(node5, "select count(*) from test_table", "6", settings={"password": "clickhouse"})
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assert_eq_with_retry(node6, "select count(*) from test_table", "6", settings={"password": "clickhouse"})
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node6.query("OPTIMIZE TABLE test_table ON CLUSTER 'simple_cluster' FINAL", settings={"password": "clickhouse"})
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node5.query("SYSTEM SYNC REPLICA test_table", settings={"password": "clickhouse"})
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node6.query("SYSTEM SYNC REPLICA test_table", settings={"password": "clickhouse"})
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assert_eq_with_retry(node5, "select count(*) from test_table", "6", settings={"password": "clickhouse"})
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assert_eq_with_retry(node6, "select count(*) from test_table", "6", settings={"password": "clickhouse"})
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node6.query("ALTER TABLE test_table ON CLUSTER 'simple_cluster' DETACH PARTITION '2019-02-15'", settings={"password": "clickhouse"})
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assert_eq_with_retry(node5, "select count(*) from test_table", "0", settings={"password": "clickhouse"})
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assert_eq_with_retry(node6, "select count(*) from test_table", "0", settings={"password": "clickhouse"})
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with pytest.raises(QueryRuntimeException):
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node6.query("ALTER TABLE test_table ON CLUSTER 'simple_cluster' ATTACH PARTITION '2019-02-15'", settings={"password": "clickhouse"})
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node5.query("ALTER TABLE test_table ATTACH PARTITION '2019-02-15'", settings={"password": "clickhouse"})
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assert_eq_with_retry(node5, "select count(*) from test_table", "6", settings={"password": "clickhouse"})
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assert_eq_with_retry(node6, "select count(*) from test_table", "6", settings={"password": "clickhouse"})
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node5.query("ALTER TABLE test_table ON CLUSTER 'simple_cluster' MODIFY COLUMN dummy String", settings={"password": "clickhouse"})
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assert_eq_with_retry(node5, "select length(dummy) from test_table ORDER BY dummy LIMIT 1", "1", settings={"password": "clickhouse"})
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assert_eq_with_retry(node6, "select length(dummy) from test_table ORDER BY dummy LIMIT 1", "1", settings={"password": "clickhouse"})
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node6.query("ALTER TABLE test_table ON CLUSTER 'simple_cluster' DROP PARTITION '2019-02-15'", settings={"password": "clickhouse"})
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assert_eq_with_retry(node5, "select count(*) from test_table", "0", settings={"password": "clickhouse"})
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assert_eq_with_retry(node6, "select count(*) from test_table", "0", settings={"password": "clickhouse"})
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