ClickHouse/tests/integration/test_polymorphic_parts/test.py

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import time
import pytest
import random
import string
from helpers.test_tools import TSV
from helpers.test_tools import assert_eq_with_retry
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
def get_random_array():
return [random.randint(0, 1000) % 1000 for _ in range(random.randint(0, 1000))]
def get_random_string():
length = random.randint(0, 1000)
return ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(length))
def insert_random_data(table, node, size):
data = [
'(' + ','.join((
"'2019-10-11'",
str(i),
"'" + get_random_string() + "'",
str(get_random_array()))) +
')' for i in range(size)
]
node.query("INSERT INTO {} VALUES {}".format(table, ','.join(data)))
def create_tables(name, nodes, node_settings, shard):
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for i, (node, settings) in enumerate(zip(nodes, node_settings)):
node.query(
'''
CREATE TABLE {name}(date Date, id UInt32, s String, arr Array(Int32))
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/{shard}/{name}', '{repl}')
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PARTITION BY toYYYYMM(date)
ORDER BY id
SETTINGS index_granularity = {index_granularity}, index_granularity_bytes = {index_granularity_bytes},
min_rows_for_wide_part = {min_rows_for_wide_part}, min_bytes_for_wide_part = {min_bytes_for_wide_part}
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'''.format(name=name, shard=shard, repl=i, **settings))
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def create_tables_old_format(name, nodes, shard):
for i, node in enumerate(nodes):
node.query(
'''
CREATE TABLE {name}(date Date, id UInt32, s String, arr Array(Int32))
ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/{shard}/{name}', '{repl}', date, id, 64)
'''.format(name=name, shard=shard, repl=i))
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node1 = cluster.add_instance('node1', config_dir="configs", with_zookeeper=True)
node2 = cluster.add_instance('node2', config_dir="configs", with_zookeeper=True)
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settings_default = {'index_granularity' : 64, 'index_granularity_bytes' : 10485760, 'min_rows_for_wide_part' : 512, 'min_bytes_for_wide_part' : 0}
settings_not_adaptive = {'index_granularity' : 64, 'index_granularity_bytes' : 0, 'min_rows_for_wide_part' : 512, 'min_bytes_for_wide_part' : 0}
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node3 = cluster.add_instance('node3', config_dir="configs", with_zookeeper=True)
node4 = cluster.add_instance('node4', config_dir="configs", main_configs=['configs/no_leader.xml'], with_zookeeper=True)
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settings_compact = {'index_granularity' : 64, 'index_granularity_bytes' : 10485760, 'min_rows_for_wide_part' : 512, 'min_bytes_for_wide_part' : 0}
settings_wide = {'index_granularity' : 64, 'index_granularity_bytes' : 10485760, 'min_rows_for_wide_part' : 0, 'min_bytes_for_wide_part' : 0}
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node5 = cluster.add_instance('node5', config_dir='configs', main_configs=['configs/compact_parts.xml'], with_zookeeper=True)
node6 = cluster.add_instance('node6', config_dir='configs', main_configs=['configs/compact_parts.xml'], with_zookeeper=True)
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@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
create_tables('polymorphic_table', [node1, node2], [settings_default, settings_default], "shard1")
create_tables('non_adaptive_table', [node1, node2], [settings_not_adaptive, settings_default], "shard1")
create_tables('polymorphic_table_compact', [node3, node4], [settings_compact, settings_wide], "shard2")
create_tables('polymorphic_table_wide', [node3, node4], [settings_wide, settings_compact], "shard2")
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create_tables_old_format('polymorphic_table', [node5, node6], "shard3")
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yield cluster
finally:
cluster.shutdown()
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@pytest.mark.parametrize(
('first_node', 'second_node'),
[
(node1, node2),
(node5, node6)
]
)
def test_polymorphic_parts_basics(start_cluster, first_node, second_node):
first_node.query("SYSTEM STOP MERGES")
second_node.query("SYSTEM STOP MERGES")
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for size in [300, 300, 600]:
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insert_random_data('polymorphic_table', first_node, size)
second_node.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
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assert first_node.query("SELECT count() FROM polymorphic_table") == "1200\n"
assert second_node.query("SELECT count() FROM polymorphic_table") == "1200\n"
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expected = "Compact\t2\nWide\t1\n"
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assert TSV(first_node.query("SELECT part_type, count() FROM system.parts " \
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"WHERE table = 'polymorphic_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV(expected)
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assert TSV(second_node.query("SELECT part_type, count() FROM system.parts " \
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"WHERE table = 'polymorphic_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV(expected)
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first_node.query("SYSTEM START MERGES")
second_node.query("SYSTEM START MERGES")
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for _ in range(40):
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insert_random_data('polymorphic_table', first_node, 10)
insert_random_data('polymorphic_table', second_node, 10)
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first_node.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
second_node.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
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assert first_node.query("SELECT count() FROM polymorphic_table") == "2000\n"
assert second_node.query("SELECT count() FROM polymorphic_table") == "2000\n"
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first_node.query("OPTIMIZE TABLE polymorphic_table FINAL")
second_node.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
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assert first_node.query("SELECT count() FROM polymorphic_table") == "2000\n"
assert second_node.query("SELECT count() FROM polymorphic_table") == "2000\n"
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assert first_node.query("SELECT DISTINCT part_type FROM system.parts WHERE table = 'polymorphic_table' AND active") == "Wide\n"
assert second_node.query("SELECT DISTINCT part_type FROM system.parts WHERE table = 'polymorphic_table' AND active") == "Wide\n"
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# Check alters and mutations also work
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first_node.query("ALTER TABLE polymorphic_table ADD COLUMN ss String")
first_node.query("ALTER TABLE polymorphic_table UPDATE ss = toString(id) WHERE 1")
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second_node.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
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first_node.query("SELECT count(ss) FROM polymorphic_table") == "2000\n"
first_node.query("SELECT uniqExact(ss) FROM polymorphic_table") == "600\n"
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second_node.query("SELECT count(ss) FROM polymorphic_table") == "2000\n"
second_node.query("SELECT uniqExact(ss) FROM polymorphic_table") == "600\n"
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# Check that follower replicas create parts of the same type, which leader has chosen at merge.
@pytest.mark.parametrize(
('table', 'part_type'),
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[
('polymorphic_table_compact', 'Compact'),
('polymorphic_table_wide', 'Wide')
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]
)
def test_different_part_types_on_replicas(start_cluster, table, part_type):
leader = node3
follower = node4
assert leader.query("SELECT is_leader FROM system.replicas WHERE table = '{}'".format(table)) == "1\n"
assert node4.query("SELECT is_leader FROM system.replicas WHERE table = '{}'".format(table)) == "0\n"
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for _ in range(3):
insert_random_data(table, leader, 100)
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leader.query("OPTIMIZE TABLE {} FINAL".format(table))
follower.query("SYSTEM SYNC REPLICA {}".format(table), timeout=20)
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expected = "{}\t1\n".format(part_type)
assert TSV(leader.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = '{}' AND active GROUP BY part_type ORDER BY part_type".format(table))) == TSV(expected)
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assert TSV(follower.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = '{}' AND active GROUP BY part_type ORDER BY part_type".format(table))) == TSV(expected)
node7 = cluster.add_instance('node7', config_dir="configs", with_zookeeper=True, image='yandex/clickhouse-server:19.17.8.54', stay_alive=True, with_installed_binary=True)
node8 = cluster.add_instance('node8', config_dir="configs", with_zookeeper=True)
settings7 = {'index_granularity' : 64, 'index_granularity_bytes' : 10485760}
settings8 = {'index_granularity' : 64, 'index_granularity_bytes' : 10485760, 'min_rows_for_wide_part' : 512, 'min_bytes_for_wide_part' : 0}
@pytest.fixture(scope="module")
def start_cluster_diff_versions():
try:
for name in ['polymorphic_table', 'polymorphic_table_2']:
cluster.start()
node7.query(
'''
CREATE TABLE {name}(date Date, id UInt32, s String, arr Array(Int32))
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/shard5/{name}', '1')
PARTITION BY toYYYYMM(date)
ORDER BY id
SETTINGS index_granularity = {index_granularity}, index_granularity_bytes = {index_granularity_bytes}
'''.format(name=name, **settings7)
)
node8.query(
'''
CREATE TABLE {name}(date Date, id UInt32, s String, arr Array(Int32))
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/shard5/{name}', '2')
PARTITION BY toYYYYMM(date)
ORDER BY id
SETTINGS index_granularity = {index_granularity}, index_granularity_bytes = {index_granularity_bytes},
min_rows_for_wide_part = {min_rows_for_wide_part}, min_bytes_for_wide_part = {min_bytes_for_wide_part}
'''.format(name=name, **settings8)
)
yield cluster
finally:
cluster.shutdown()
@pytest.mark.skip(reason="compatability is temporary broken")
def test_polymorphic_parts_diff_versions(start_cluster_diff_versions):
# Check that replication with Wide parts works between different versions.
node_old = node7
node_new = node8
insert_random_data('polymorphic_table', node7, 100)
node8.query("SYSTEM SYNC REPLICA polymorphic_table", timeout=20)
assert node8.query("SELECT count() FROM polymorphic_table") == "100\n"
assert node8.query("SELECT DISTINCT part_type FROM system.parts WHERE table = 'polymorphic_table' and active") == "Wide\n"
@pytest.mark.skip(reason="compatability is temporary broken")
def test_polymorphic_parts_diff_versions_2(start_cluster_diff_versions):
# Replication doesn't work on old version if part is created in compact format, because
# this version doesn't know anything about it. It's considered to be ok.
node_old = node7
node_new = node8
insert_random_data('polymorphic_table_2', node_new, 100)
assert node_new.query("SELECT count() FROM polymorphic_table_2") == "100\n"
assert node_old.query("SELECT count() FROM polymorphic_table_2") == "0\n"
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with pytest.raises(Exception):
node_old.query("SYSTEM SYNC REPLICA polymorphic_table_2", timeout=3)
node_old.restart_with_latest_version()
node_old.query("SYSTEM SYNC REPLICA polymorphic_table_2", timeout=20)
# Works after update
assert node_old.query("SELECT count() FROM polymorphic_table_2") == "100\n"
assert node_old.query("SELECT DISTINCT part_type FROM system.parts WHERE table = 'polymorphic_table_2' and active") == "Compact\n"
def test_polymorphic_parts_non_adaptive(start_cluster):
node1.query("SYSTEM STOP MERGES")
node2.query("SYSTEM STOP MERGES")
insert_random_data('non_adaptive_table', node1, 100)
node2.query("SYSTEM SYNC REPLICA non_adaptive_table", timeout=20)
insert_random_data('non_adaptive_table', node2, 100)
node1.query("SYSTEM SYNC REPLICA non_adaptive_table", timeout=20)
assert TSV(node1.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'non_adaptive_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV("Wide\t2\n")
assert TSV(node2.query("SELECT part_type, count() FROM system.parts " \
"WHERE table = 'non_adaptive_table' AND active GROUP BY part_type ORDER BY part_type")) == TSV("Wide\t2\n")
assert node1.contains_in_log("<Warning> default.non_adaptive_table: Table can't create parts with adaptive granularity")