ClickHouse/tests/integration/test_insert_into_distributed_sync_async/test.py

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import os
import sys
from contextlib import contextmanager
import pytest
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from helpers.test_tools import TSV
from helpers.cluster import ClickHouseCluster
from helpers.client import QueryRuntimeException, QueryTimeoutExceedException
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'])
node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.xml'])
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
for node in (node1, node2):
node.query('''
CREATE TABLE local_table(date Date, val UInt64) ENGINE = MergeTree(date, (date, val), 8192);
''')
node1.query('''
CREATE TABLE distributed_table(date Date, val UInt64) ENGINE = Distributed(test_cluster, default, local_table)
''')
yield cluster
finally:
cluster.shutdown()
def test_insertion_sync(started_cluster):
node1.query('''SET insert_distributed_sync = 1, insert_distributed_timeout = 0;
INSERT INTO distributed_table SELECT today() as date, number as val FROM system.numbers LIMIT 10000''')
assert node2.query("SELECT count() FROM local_table").rstrip() == '10000'
node1.query('''
SET insert_distributed_sync = 1, insert_distributed_timeout = 1;
INSERT INTO distributed_table SELECT today() - 1 as date, number as val FROM system.numbers LIMIT 10000''')
assert node2.query("SELECT count() FROM local_table").rstrip() == '20000'
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# Insert with explicitly specified columns.
node1.query('''
SET insert_distributed_sync = 1, insert_distributed_timeout = 1;
INSERT INTO distributed_table(date, val) VALUES ('2000-01-01', 100500)''')
# Insert with columns specified in different order.
node1.query('''
SET insert_distributed_sync = 1, insert_distributed_timeout = 1;
INSERT INTO distributed_table(val, date) VALUES (100500, '2000-01-01')''')
# Insert with an incomplete list of columns.
node1.query('''
SET insert_distributed_sync = 1, insert_distributed_timeout = 1;
INSERT INTO distributed_table(val) VALUES (100500)''')
expected = TSV('''
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1970-01-01 100500
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2000-01-01 100500
2000-01-01 100500''')
assert TSV(node2.query('SELECT date, val FROM local_table WHERE val = 100500 ORDER BY date')) == expected
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node1.query("TRUNCATE TABLE local_table SYNC")
node2.query("TRUNCATE TABLE local_table SYNC")
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"""
def test_insertion_sync_fails_on_error(started_cluster):
with PartitionManager() as pm:
pm.partition_instances(node2, node1, action='REJECT --reject-with tcp-reset')
with pytest.raises(QueryRuntimeException):
node1.query('''
SET insert_distributed_sync = 1, insert_distributed_timeout = 0;
INSERT INTO distributed_table SELECT today() as date, number as val FROM system.numbers''', timeout=2)
"""
def test_insertion_sync_fails_with_timeout(started_cluster):
with pytest.raises(QueryRuntimeException):
node1.query('''
SET insert_distributed_sync = 1, insert_distributed_timeout = 1;
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INSERT INTO distributed_table SELECT today() as date, number as val FROM system.numbers''')
def test_insertion_without_sync_ignores_timeout(started_cluster):
with pytest.raises(QueryTimeoutExceedException):
node1.query('''
SET insert_distributed_sync = 0, insert_distributed_timeout = 1;
INSERT INTO distributed_table SELECT today() as date, number as val FROM system.numbers''', timeout=1.5)
def test_insertion_sync_with_disabled_timeout(started_cluster):
with pytest.raises(QueryTimeoutExceedException):
node1.query('''
SET insert_distributed_sync = 1, insert_distributed_timeout = 0;
INSERT INTO distributed_table SELECT today() as date, number as val FROM system.numbers''', timeout=1)
def test_async_inserts_into_local_shard(started_cluster):
node1.query('''CREATE TABLE shard_local (i Int64) ENGINE = Memory''')
node1.query(
'''CREATE TABLE shard_distributed (i Int64) ENGINE = Distributed(local_shard_with_internal_replication, default, shard_local)''')
node1.query('''INSERT INTO shard_distributed VALUES (1)''', settings={"insert_distributed_sync": 0})
assert TSV(node1.query('''SELECT count() FROM shard_distributed''')) == TSV("1\n")
node1.query('''DETACH TABLE shard_distributed''')
node1.query('''ATTACH TABLE shard_distributed''')
assert TSV(node1.query('''SELECT count() FROM shard_distributed''')) == TSV("1\n")
node1.query('''DROP TABLE shard_distributed''')
node1.query('''DROP TABLE shard_local''')
if __name__ == '__main__':
with contextmanager(started_cluster)() as cluster:
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for name, instance in list(cluster.instances.items()):
print(name, instance.ip_address)
input("Cluster created, press any key to destroy...")