mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-16 12:44:42 +00:00
365 lines
19 KiB
Python
Executable File
365 lines
19 KiB
Python
Executable File
import os
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import sys
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import time
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from contextlib import contextmanager
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import pytest
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from helpers.network import PartitionManager
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from helpers.test_tools import TSV
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from .cluster import ClickHouseClusterWithDDLHelpers
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@pytest.fixture(scope="module", params=["configs", "configs_secure"])
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def test_cluster(request):
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cluster = ClickHouseClusterWithDDLHelpers(__file__, request.param)
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try:
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cluster.prepare()
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yield cluster
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instance = cluster.instances['ch1']
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cluster.ddl_check_query(instance, "DROP DATABASE test ON CLUSTER 'cluster'")
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cluster.ddl_check_query(instance, "DROP DATABASE IF EXISTS test2 ON CLUSTER 'cluster'")
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# Check query log to ensure that DDL queries are not executed twice
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time.sleep(1.5)
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for instance in cluster.instances.values():
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cluster.ddl_check_there_are_no_dublicates(instance)
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cluster.pm_random_drops.heal_all()
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finally:
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cluster.shutdown()
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def test_default_database(test_cluster):
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instance = test_cluster.instances['ch3']
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test_cluster.ddl_check_query(instance, "CREATE DATABASE IF NOT EXISTS test2 ON CLUSTER 'cluster' FORMAT TSV")
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS null ON CLUSTER 'cluster' FORMAT TSV")
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE null ON CLUSTER 'cluster2' (s String DEFAULT 'escape\t\nme') ENGINE = Null")
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contents = instance.query("SELECT hostName() AS h, database FROM all_tables WHERE name = 'null' ORDER BY h")
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assert TSV(contents) == TSV("ch1\tdefault\nch2\ttest2\nch3\tdefault\nch4\ttest2\n")
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS null ON CLUSTER cluster2")
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test_cluster.ddl_check_query(instance, "DROP DATABASE IF EXISTS test2 ON CLUSTER 'cluster'")
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def test_create_view(test_cluster):
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instance = test_cluster.instances['ch3']
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test_cluster.ddl_check_query(instance,
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"CREATE VIEW test.super_simple_view ON CLUSTER 'cluster' AS SELECT * FROM system.numbers FORMAT TSV")
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test_cluster.ddl_check_query(instance,
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"CREATE MATERIALIZED VIEW test.simple_mat_view ON CLUSTER 'cluster' ENGINE = Memory AS SELECT * FROM system.numbers FORMAT TSV")
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test_cluster.ddl_check_query(instance, "DROP TABLE test.simple_mat_view ON CLUSTER 'cluster' FORMAT TSV")
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test_cluster.ddl_check_query(instance,
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"DROP TABLE IF EXISTS test.super_simple_view2 ON CLUSTER 'cluster' FORMAT TSV")
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE test.super_simple ON CLUSTER 'cluster' (i Int8) ENGINE = Memory")
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test_cluster.ddl_check_query(instance,
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"RENAME TABLE test.super_simple TO test.super_simple2 ON CLUSTER 'cluster' FORMAT TSV")
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test_cluster.ddl_check_query(instance, "DROP TABLE test.super_simple2 ON CLUSTER 'cluster'")
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def test_on_server_fail(test_cluster):
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instance = test_cluster.instances['ch1']
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kill_instance = test_cluster.instances['ch2']
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS test.test_server_fail ON CLUSTER 'cluster'")
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kill_instance.get_docker_handle().stop()
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request = instance.get_query_request("CREATE TABLE test.test_server_fail ON CLUSTER 'cluster' (i Int8) ENGINE=Null",
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timeout=30)
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kill_instance.get_docker_handle().start()
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS test.__nope__ ON CLUSTER 'cluster'")
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# Check query itself
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test_cluster.check_all_hosts_successfully_executed(request.get_answer())
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# And check query artefacts
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contents = instance.query(
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"SELECT hostName() AS h FROM all_tables WHERE database='test' AND name='test_server_fail' ORDER BY h")
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assert TSV(contents) == TSV("ch1\nch2\nch3\nch4\n")
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test_cluster.ddl_check_query(instance, "DROP TABLE test.test_server_fail ON CLUSTER 'cluster'")
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def _test_on_connection_losses(test_cluster, zk_timeout):
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instance = test_cluster.instances['ch1']
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kill_instance = test_cluster.instances['ch2']
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with PartitionManager() as pm:
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pm.drop_instance_zk_connections(kill_instance)
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request = instance.get_query_request("DROP TABLE IF EXISTS test.__nope__ ON CLUSTER 'cluster'", timeout=10)
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time.sleep(zk_timeout)
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pm.restore_instance_zk_connections(kill_instance)
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test_cluster.check_all_hosts_successfully_executed(request.get_answer())
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def test_on_connection_loss(test_cluster):
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_test_on_connection_losses(test_cluster, 1.5) # connection loss will occur only (3 sec ZK timeout in config)
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def test_on_session_expired(test_cluster):
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_test_on_connection_losses(test_cluster, 4) # session should be expired (3 sec ZK timeout in config)
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def test_simple_alters(test_cluster):
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instance = test_cluster.instances['ch2']
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS merge ON CLUSTER '{cluster}'")
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS all_merge_32 ON CLUSTER '{cluster}'")
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS all_merge_64 ON CLUSTER '{cluster}'")
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test_cluster.ddl_check_query(instance, """
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CREATE TABLE IF NOT EXISTS merge ON CLUSTER '{cluster}' (p Date, i Int32)
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ENGINE = MergeTree(p, p, 1)
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""")
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test_cluster.ddl_check_query(instance, """
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CREATE TABLE IF NOT EXISTS all_merge_32 ON CLUSTER '{cluster}' (p Date, i Int32)
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ENGINE = Distributed('{cluster}', default, merge, i)
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""")
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test_cluster.ddl_check_query(instance, """
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CREATE TABLE IF NOT EXISTS all_merge_64 ON CLUSTER '{cluster}' (p Date, i Int64, s String)
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ENGINE = Distributed('{cluster}', default, merge, i)
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""")
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for i in xrange(0, 4, 2):
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k = (i / 2) * 2
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test_cluster.instances['ch{}'.format(i + 1)].query("INSERT INTO merge (i) VALUES ({})({})".format(k, k + 1))
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assert TSV(instance.query("SELECT i FROM all_merge_32 ORDER BY i")) == TSV(
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''.join(['{}\n'.format(x) for x in xrange(4)]))
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time.sleep(5)
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test_cluster.ddl_check_query(instance, "ALTER TABLE merge ON CLUSTER '{cluster}' MODIFY COLUMN i Int64")
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time.sleep(5)
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test_cluster.ddl_check_query(instance,
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"ALTER TABLE merge ON CLUSTER '{cluster}' ADD COLUMN s String DEFAULT toString(i) FORMAT TSV")
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assert TSV(instance.query("SELECT i, s FROM all_merge_64 ORDER BY i")) == TSV(
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''.join(['{}\t{}\n'.format(x, x) for x in xrange(4)]))
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for i in xrange(0, 4, 2):
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k = (i / 2) * 2 + 4
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test_cluster.instances['ch{}'.format(i + 1)].query(
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"INSERT INTO merge (p, i) VALUES (31, {})(31, {})".format(k, k + 1))
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assert TSV(instance.query("SELECT i, s FROM all_merge_64 ORDER BY i")) == TSV(
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''.join(['{}\t{}\n'.format(x, x) for x in xrange(8)]))
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test_cluster.ddl_check_query(instance, "ALTER TABLE merge ON CLUSTER '{cluster}' DETACH PARTITION 197002")
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assert TSV(instance.query("SELECT i, s FROM all_merge_64 ORDER BY i")) == TSV(
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''.join(['{}\t{}\n'.format(x, x) for x in xrange(4)]))
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test_cluster.ddl_check_query(instance, "DROP TABLE merge ON CLUSTER '{cluster}'")
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test_cluster.ddl_check_query(instance, "DROP TABLE all_merge_32 ON CLUSTER '{cluster}'")
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test_cluster.ddl_check_query(instance, "DROP TABLE all_merge_64 ON CLUSTER '{cluster}'")
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def test_macro(test_cluster):
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instance = test_cluster.instances['ch2']
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test_cluster.ddl_check_query(instance, "CREATE TABLE tab ON CLUSTER '{cluster}' (value UInt8) ENGINE = Memory")
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for i in xrange(4):
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test_cluster.insert_reliable(test_cluster.instances['ch{}'.format(i + 1)],
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"INSERT INTO tab VALUES ({})".format(i))
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE distr ON CLUSTER '{cluster}' (value UInt8) ENGINE = Distributed('{cluster}', 'default', 'tab', value % 4)")
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assert TSV(instance.query("SELECT value FROM distr ORDER BY value")) == TSV('0\n1\n2\n3\n')
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assert TSV(test_cluster.instances['ch3'].query("SELECT value FROM distr ORDER BY value")) == TSV('0\n1\n2\n3\n')
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS distr ON CLUSTER '{cluster}'")
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS tab ON CLUSTER '{cluster}'")
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def test_implicit_macros(test_cluster):
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# Temporarily disable random ZK packet drops, they might broke creation if ReplicatedMergeTree replicas
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firewall_drops_rules = test_cluster.pm_random_drops.pop_rules()
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instance = test_cluster.instances['ch2']
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test_cluster.ddl_check_query(instance, "DROP DATABASE IF EXISTS test_db ON CLUSTER '{cluster}'")
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test_cluster.ddl_check_query(instance, "CREATE DATABASE IF NOT EXISTS test_db ON CLUSTER '{cluster}'")
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test_cluster.ddl_check_query(instance, """
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CREATE TABLE IF NOT EXISTS test_db.test_macro ON CLUSTER '{cluster}' (p Date, i Int32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/{layer}-{shard}/{table}', '{replica}', p, p, 1)
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""")
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# Check that table was created at correct path in zookeeper
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assert test_cluster.get_kazoo_client('zoo1').exists('/clickhouse/tables/test_db/0-1/test_macro') is not None
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# Enable random ZK packet drops
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test_cluster.pm_random_drops.push_rules(firewall_drops_rules)
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def test_allowed_databases(test_cluster):
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instance = test_cluster.instances['ch2']
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instance.query("CREATE DATABASE IF NOT EXISTS db1 ON CLUSTER cluster")
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instance.query("CREATE DATABASE IF NOT EXISTS db2 ON CLUSTER cluster")
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instance.query("CREATE TABLE db1.t1 ON CLUSTER cluster (i Int8) ENGINE = Memory",
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settings={"user": "restricted_user"})
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with pytest.raises(Exception):
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instance.query("CREATE TABLE db2.t2 ON CLUSTER cluster (i Int8) ENGINE = Memory",
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settings={"user": "restricted_user"})
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with pytest.raises(Exception):
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instance.query("CREATE TABLE t3 ON CLUSTER cluster (i Int8) ENGINE = Memory",
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settings={"user": "restricted_user"})
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with pytest.raises(Exception):
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instance.query("DROP DATABASE db2 ON CLUSTER cluster", settings={"user": "restricted_user"})
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instance.query("DROP DATABASE db1 ON CLUSTER cluster", settings={"user": "restricted_user"})
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def test_kill_query(test_cluster):
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instance = test_cluster.instances['ch3']
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test_cluster.ddl_check_query(instance, "KILL QUERY ON CLUSTER 'cluster' WHERE NOT elapsed FORMAT TSV")
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def test_detach_query(test_cluster):
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instance = test_cluster.instances['ch3']
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS test_attach ON CLUSTER cluster FORMAT TSV")
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test_cluster.ddl_check_query(instance, "CREATE TABLE test_attach ON CLUSTER cluster (i Int8)ENGINE = Log")
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test_cluster.ddl_check_query(instance, "DETACH TABLE test_attach ON CLUSTER cluster FORMAT TSV")
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test_cluster.ddl_check_query(instance, "ATTACH TABLE test_attach ON CLUSTER cluster")
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def test_optimize_query(test_cluster):
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instance = test_cluster.instances['ch3']
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS test_optimize ON CLUSTER cluster FORMAT TSV")
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE test_optimize ON CLUSTER cluster (p Date, i Int32) ENGINE = MergeTree(p, p, 8192)")
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test_cluster.ddl_check_query(instance, "OPTIMIZE TABLE test_optimize ON CLUSTER cluster FORMAT TSV")
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def test_create_as_select(test_cluster):
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instance = test_cluster.instances['ch2']
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE test_as_select ON CLUSTER cluster ENGINE = Memory AS (SELECT 1 AS x UNION ALL SELECT 2 AS x)")
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assert TSV(instance.query("SELECT x FROM test_as_select ORDER BY x")) == TSV("1\n2\n")
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS test_as_select ON CLUSTER cluster")
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def test_create_reserved(test_cluster):
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instance = test_cluster.instances['ch2']
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE test_reserved ON CLUSTER cluster (`p` Date, `image` Nullable(String), `index` Nullable(Float64), `invalidate` Nullable(Int64)) ENGINE = MergeTree(`p`, `p`, 8192)")
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE test_as_reserved ON CLUSTER cluster ENGINE = Memory AS (SELECT * from test_reserved)")
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS test_reserved ON CLUSTER cluster")
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test_cluster.ddl_check_query(instance, "DROP TABLE IF EXISTS test_as_reserved ON CLUSTER cluster")
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def test_rename(test_cluster):
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instance = test_cluster.instances['ch1']
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rules = test_cluster.pm_random_drops.pop_rules()
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE rename_shard ON CLUSTER cluster (id Int64, sid String DEFAULT concat('old', toString(id))) ENGINE = ReplicatedMergeTree('/clickhouse/tables/{shard}/staging/test_shard', '{replica}') ORDER BY (id)")
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE rename_new ON CLUSTER cluster AS rename_shard ENGINE = Distributed(cluster, default, rename_shard, id % 2)")
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test_cluster.ddl_check_query(instance, "RENAME TABLE rename_new TO rename ON CLUSTER cluster;")
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for i in range(10):
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instance.query("insert into rename (id) values ({})".format(i))
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# FIXME ddl_check_query doesnt work for replicated DDDL if replace_hostnames_with_ips=True
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# because replicas use wrong host name of leader (and wrong path in zk) to check if it has executed query
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# so ddl query will always fail on some replicas even if query was actually executed by leader
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# Also such inconsistency in cluster configuration may lead to query duplication if leader suddenly changed
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# because path of lock in zk contains shard name, which is list of host names of replicas
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instance.query(
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"ALTER TABLE rename_shard ON CLUSTER cluster MODIFY COLUMN sid String DEFAULT concat('new', toString(id))",
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ignore_error=True)
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time.sleep(1)
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE rename_new ON CLUSTER cluster AS rename_shard ENGINE = Distributed(cluster, default, rename_shard, id % 2)")
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instance.query("system stop distributed sends rename")
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for i in range(10, 20):
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instance.query("insert into rename (id) values ({})".format(i))
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test_cluster.ddl_check_query(instance, "RENAME TABLE rename TO rename_old, rename_new TO rename ON CLUSTER cluster")
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for i in range(20, 30):
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instance.query("insert into rename (id) values ({})".format(i))
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instance.query("system flush distributed rename")
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for name in ['ch1', 'ch2', 'ch3', 'ch4']:
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test_cluster.instances[name].query("system sync replica rename_shard")
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# system stop distributed sends does not affect inserts into local shard,
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# so some ids in range (10, 20) will be inserted into rename_shard
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assert instance.query("select count(id), sum(id) from rename").rstrip() == "25\t360"
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# assert instance.query("select count(id), sum(id) from rename").rstrip() == "20\t290"
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assert instance.query("select count(id), sum(id) from rename where sid like 'old%'").rstrip() == "15\t115"
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# assert instance.query("select count(id), sum(id) from rename where sid like 'old%'").rstrip() == "10\t45"
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assert instance.query("select count(id), sum(id) from rename where sid like 'new%'").rstrip() == "10\t245"
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test_cluster.pm_random_drops.push_rules(rules)
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def test_socket_timeout(test_cluster):
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instance = test_cluster.instances['ch1']
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# queries should not fail with "Timeout exceeded while reading from socket" in case of EINTR caused by query profiler
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for i in range(0, 100):
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instance.query("select hostName() as host, count() from cluster('cluster', 'system', 'settings') group by host")
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def test_replicated_without_arguments(test_cluster):
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rules = test_cluster.pm_random_drops.pop_rules()
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instance = test_cluster.instances['ch1']
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test_cluster.ddl_check_query(instance, "CREATE DATABASE test_atomic ON CLUSTER cluster ENGINE=Atomic")
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assert "are supported only for ON CLUSTER queries with Atomic database engine" in \
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instance.query_and_get_error("CREATE TABLE test_atomic.rmt (n UInt64, s String) ENGINE=ReplicatedMergeTree ORDER BY n")
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE test_atomic.rmt ON CLUSTER cluster (n UInt64, s String) ENGINE=ReplicatedMergeTree() ORDER BY n")
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test_cluster.ddl_check_query(instance, "DROP TABLE test_atomic.rmt ON CLUSTER cluster")
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE test_atomic.rmt UUID '12345678-0000-4000-8000-000000000001' ON CLUSTER cluster (n UInt64, s String) ENGINE=ReplicatedMergeTree ORDER BY n")
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assert instance.query("SHOW CREATE test_atomic.rmt FORMAT TSVRaw") == \
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"CREATE TABLE test_atomic.rmt\n(\n `n` UInt64,\n `s` String\n)\nENGINE = ReplicatedMergeTree('/clickhouse/tables/12345678-0000-4000-8000-000000000001/{shard}', '{replica}')\nORDER BY n\nSETTINGS index_granularity = 8192\n"
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test_cluster.ddl_check_query(instance, "RENAME TABLE test_atomic.rmt TO test_atomic.rmt_renamed ON CLUSTER cluster")
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test_cluster.ddl_check_query(instance,
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"CREATE TABLE test_atomic.rmt ON CLUSTER cluster (n UInt64, s String) ENGINE=ReplicatedMergeTree('/clickhouse/tables/{uuid}/{shard}', '{replica}') ORDER BY n")
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test_cluster.ddl_check_query(instance,
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"EXCHANGE TABLES test_atomic.rmt AND test_atomic.rmt_renamed ON CLUSTER cluster")
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assert instance.query("SELECT countDistinct(uuid) from clusterAllReplicas('cluster', 'system', 'databases') WHERE uuid != 0 AND name='test_atomic'") == "1\n"
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assert instance.query("SELECT countDistinct(uuid) from clusterAllReplicas('cluster', 'system', 'tables') WHERE uuid != 0 AND name='rmt'") == "1\n"
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test_cluster.ddl_check_query(instance, "DROP DATABASE test_atomic ON CLUSTER cluster")
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test_cluster.ddl_check_query(instance, "CREATE DATABASE test_ordinary ON CLUSTER cluster ENGINE=Ordinary")
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assert "are supported only for ON CLUSTER queries with Atomic database engine" in \
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instance.query_and_get_error("CREATE TABLE test_ordinary.rmt ON CLUSTER cluster (n UInt64, s String) ENGINE=ReplicatedMergeTree ORDER BY n")
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assert "are supported only for ON CLUSTER queries with Atomic database engine" in \
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instance.query_and_get_error("CREATE TABLE test_ordinary.rmt ON CLUSTER cluster (n UInt64, s String) ENGINE=ReplicatedMergeTree('/{shard}/{uuid}/', '{replica}') ORDER BY n")
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test_cluster.ddl_check_query(instance, "CREATE TABLE test_ordinary.rmt ON CLUSTER cluster (n UInt64, s String) ENGINE=ReplicatedMergeTree('/{shard}/{table}/', '{replica}') ORDER BY n")
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assert instance.query("SHOW CREATE test_ordinary.rmt FORMAT TSVRaw") == \
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"CREATE TABLE test_ordinary.rmt\n(\n `n` UInt64,\n `s` String\n)\nENGINE = ReplicatedMergeTree('/{shard}/rmt/', '{replica}')\nORDER BY n\nSETTINGS index_granularity = 8192\n"
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test_cluster.ddl_check_query(instance, "DROP DATABASE test_ordinary ON CLUSTER cluster")
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test_cluster.pm_random_drops.push_rules(rules)
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if __name__ == '__main__':
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with contextmanager(test_cluster)() as ctx_cluster:
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for name, instance in ctx_cluster.instances.items():
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print name, instance.ip_address
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raw_input("Cluster created, press any key to destroy...")
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