ClickHouse/tests/integration/test_insert_into_distributed_sync_async/test.py
2022-03-22 17:39:58 +01:00

162 lines
5.2 KiB
Python
Executable File

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"
# 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(
"""
1970-01-01 100500
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
)
node1.query("TRUNCATE TABLE local_table SYNC")
node2.query("TRUNCATE TABLE local_table SYNC")
"""
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;
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:
for name, instance in list(cluster.instances.items()):
print(name, instance.ip_address)
input("Cluster created, press any key to destroy...")