ClickHouse/tests/integration/test_storage_mysql/test.py
2023-05-19 00:44:27 +00:00

866 lines
27 KiB
Python

from contextlib import contextmanager
## sudo -H pip install PyMySQL
import pymysql.cursors
import pytest
import time
import threading
from helpers.cluster import ClickHouseCluster
from helpers.client import QueryRuntimeException
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance(
"node1",
main_configs=["configs/remote_servers.xml", "configs/named_collections.xml"],
with_mysql=True,
)
node2 = cluster.add_instance(
"node2", main_configs=["configs/remote_servers.xml"], with_mysql_cluster=True
)
node3 = cluster.add_instance(
"node3",
main_configs=["configs/remote_servers.xml"],
user_configs=["configs/users.xml"],
with_mysql=True,
)
create_table_sql_template = """
CREATE TABLE `clickhouse`.`{}` (
`id` int(11) NOT NULL,
`name` varchar(50) NOT NULL,
`age` int NOT NULL default 0,
`money` int NOT NULL default 0,
`source` enum('IP','URL') DEFAULT 'IP',
PRIMARY KEY (`id`)) ENGINE=InnoDB;
"""
drop_table_sql_template = """
DROP TABLE IF EXISTS `clickhouse`.`{}`;
"""
def get_mysql_conn(started_cluster, host):
conn = pymysql.connect(
user="root", password="clickhouse", host=host, port=started_cluster.mysql_port
)
return conn
def create_mysql_table(conn, tableName):
with conn.cursor() as cursor:
cursor.execute(create_table_sql_template.format(tableName))
def drop_mysql_table(conn, tableName):
with conn.cursor() as cursor:
cursor.execute(drop_table_sql_template.format(tableName))
def create_mysql_db(conn, name):
with conn.cursor() as cursor:
cursor.execute("DROP DATABASE IF EXISTS {}".format(name))
cursor.execute("CREATE DATABASE {} DEFAULT CHARACTER SET 'utf8'".format(name))
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
conn = get_mysql_conn(cluster, cluster.mysql_ip)
create_mysql_db(conn, "clickhouse")
## create mysql db and table
conn1 = get_mysql_conn(cluster, cluster.mysql2_ip)
create_mysql_db(conn1, "clickhouse")
yield cluster
finally:
cluster.shutdown()
def test_many_connections(started_cluster):
table_name = "test_many_connections"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node1.query(
"""
CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
""".format(
table_name, table_name
)
)
node1.query(
"INSERT INTO {} (id, name) SELECT number, concat('name_', toString(number)) from numbers(10) ".format(
table_name
)
)
query = "SELECT count() FROM ("
for i in range(24):
query += "SELECT id FROM {t} UNION ALL "
query += "SELECT id FROM {t})"
assert node1.query(query.format(t=table_name)) == "250\n"
drop_mysql_table(conn, table_name)
conn.close()
def test_insert_select(started_cluster):
table_name = "test_insert_select"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node1.query(
"""
CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
""".format(
table_name, table_name
)
)
node1.query(
"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
table_name
)
)
assert node1.query("SELECT count() FROM {}".format(table_name)).rstrip() == "10000"
assert (
node1.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == "30000"
)
conn.close()
def test_replace_select(started_cluster):
table_name = "test_replace_select"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node1.query(
"""
CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse', 1);
""".format(
table_name, table_name
)
)
node1.query(
"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
table_name
)
)
node1.query(
"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
table_name
)
)
assert node1.query("SELECT count() FROM {}".format(table_name)).rstrip() == "10000"
assert (
node1.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == "30000"
)
conn.close()
def test_insert_on_duplicate_select(started_cluster):
table_name = "test_insert_on_duplicate_select"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node1.query(
"""
CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse', 0, 'update money = money + values(money)');
""".format(
table_name, table_name
)
)
node1.query(
"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
table_name
)
)
node1.query(
"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
table_name
)
)
assert node1.query("SELECT count() FROM {}".format(table_name)).rstrip() == "10000"
assert (
node1.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == "60000"
)
conn.close()
def test_where(started_cluster):
table_name = "test_where"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node1.query(
"""
CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
""".format(
table_name, table_name
)
)
node1.query(
"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
table_name
)
)
assert (
node1.query(
"SELECT count() FROM {} WHERE name LIKE '%name_%'".format(table_name)
).rstrip()
== "10000"
)
assert (
node1.query(
"SELECT count() FROM {} WHERE name NOT LIKE '%tmp_%'".format(table_name)
).rstrip()
== "10000"
)
assert (
node1.query(
"SELECT count() FROM {} WHERE money IN (1, 2, 3)".format(table_name)
).rstrip()
== "10000"
)
assert (
node1.query(
"SELECT count() FROM {} WHERE money IN (1, 2, 4, 5, 6)".format(table_name)
).rstrip()
== "0"
)
assert (
node1.query(
"SELECT count() FROM {} WHERE money NOT IN (1, 2, 4, 5, 6)".format(
table_name
)
).rstrip()
== "10000"
)
assert (
node1.query(
"SELECT count() FROM {} WHERE name LIKE concat('name_', toString(1))".format(
table_name
)
).rstrip()
== "1"
)
conn.close()
def test_table_function(started_cluster):
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, "table_function")
create_mysql_table(conn, "table_function")
table_function = (
"mysql('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse')".format(
"table_function"
)
)
assert node1.query("SELECT count() FROM {}".format(table_function)).rstrip() == "0"
node1.query(
"INSERT INTO {} (id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000)".format(
"TABLE FUNCTION " + table_function
)
)
assert (
node1.query("SELECT count() FROM {}".format(table_function)).rstrip() == "10000"
)
assert (
node1.query(
"SELECT sum(c) FROM ("
"SELECT count() as c FROM {} WHERE id % 3 == 0"
" UNION ALL SELECT count() as c FROM {} WHERE id % 3 == 1"
" UNION ALL SELECT count() as c FROM {} WHERE id % 3 == 2)".format(
table_function, table_function, table_function
)
).rstrip()
== "10000"
)
assert (
node1.query("SELECT sum(`money`) FROM {}".format(table_function)).rstrip()
== "30000"
)
node1.query(
"INSERT INTO {} (id, name, age, money) SELECT id + 100000, name, age, money FROM {}".format(
"TABLE FUNCTION " + table_function, table_function
)
)
assert (
node1.query("SELECT sum(`money`) FROM {}".format(table_function)).rstrip()
== "60000"
)
conn.close()
def test_schema_inference(started_cluster):
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, "inference_table")
with conn.cursor() as cursor:
cursor.execute(
"CREATE TABLE clickhouse.inference_table (id INT PRIMARY KEY, data BINARY(16) NOT NULL)"
)
parameters = "'mysql57:3306', 'clickhouse', 'inference_table', 'root', 'clickhouse'"
node1.query(
f"CREATE TABLE mysql_schema_inference_engine ENGINE=MySQL({parameters})"
)
node1.query(f"CREATE TABLE mysql_schema_inference_function AS mysql({parameters})")
expected = "id\tInt32\t\t\t\t\t\ndata\tFixedString(16)\t\t\t\t\t\n"
assert node1.query("DESCRIBE TABLE mysql_schema_inference_engine") == expected
assert node1.query("DESCRIBE TABLE mysql_schema_inference_function") == expected
node1.query("DROP TABLE mysql_schema_inference_engine")
node1.query("DROP TABLE mysql_schema_inference_function")
drop_mysql_table(conn, "inference_table")
def test_binary_type(started_cluster):
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, "binary_type")
with conn.cursor() as cursor:
cursor.execute(
"CREATE TABLE clickhouse.binary_type (id INT PRIMARY KEY, data BINARY(16) NOT NULL)"
)
table_function = (
"mysql('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse')".format(
"binary_type"
)
)
node1.query(
"INSERT INTO {} VALUES (42, 'clickhouse')".format(
"TABLE FUNCTION " + table_function
)
)
assert (
node1.query("SELECT * FROM {}".format(table_function))
== "42\tclickhouse\\0\\0\\0\\0\\0\\0\n"
)
drop_mysql_table(conn, "binary_type")
def test_enum_type(started_cluster):
table_name = "test_enum_type"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node1.query(
"""
CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32, source Enum8('IP' = 1, 'URL' = 2)) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse', 1);
""".format(
table_name, table_name
)
)
node1.query(
"INSERT INTO {} (id, name, age, money, source) VALUES (1, 'name', 0, 0, 'URL')".format(
table_name
)
)
assert (
node1.query("SELECT source FROM {} LIMIT 1".format(table_name)).rstrip()
== "URL"
)
conn.close()
def test_mysql_distributed(started_cluster):
table_name = "test_replicas"
conn1 = get_mysql_conn(started_cluster, started_cluster.mysql_ip)
conn2 = get_mysql_conn(started_cluster, started_cluster.mysql2_ip)
conn3 = get_mysql_conn(started_cluster, started_cluster.mysql3_ip)
conn4 = get_mysql_conn(started_cluster, started_cluster.mysql4_ip)
create_mysql_db(conn1, "clickhouse")
create_mysql_db(conn2, "clickhouse")
create_mysql_db(conn3, "clickhouse")
create_mysql_db(conn4, "clickhouse")
create_mysql_table(conn1, table_name)
create_mysql_table(conn2, table_name)
create_mysql_table(conn3, table_name)
create_mysql_table(conn4, table_name)
node2.query("DROP TABLE IF EXISTS test_replicas")
# Storage with with 3 replicas
node2.query(
"""
CREATE TABLE test_replicas
(id UInt32, name String, age UInt32, money UInt32)
ENGINE = MySQL('mysql{2|3|4}:3306', 'clickhouse', 'test_replicas', 'root', 'clickhouse'); """
)
# Fill remote tables with different data to be able to check
nodes = [node1, node2, node2, node2]
for i in range(1, 5):
nodes[i - 1].query("DROP TABLE IF EXISTS test_replica{}".format(i))
nodes[i - 1].query(
"""
CREATE TABLE test_replica{}
(id UInt32, name String, age UInt32, money UInt32)
ENGINE = MySQL('mysql{}:3306', 'clickhouse', 'test_replicas', 'root', 'clickhouse');""".format(
i, 57 if i == 1 else i
)
)
nodes[i - 1].query(
"INSERT INTO test_replica{} (id, name) SELECT number, 'host{}' from numbers(10) ".format(
i, i
)
)
# test multiple ports parsing
result = node2.query(
"""SELECT DISTINCT(name) FROM mysql('mysql{57|2|3}:3306', 'clickhouse', 'test_replicas', 'root', 'clickhouse'); """
)
assert result == "host1\n" or result == "host2\n" or result == "host3\n"
result = node2.query(
"""SELECT DISTINCT(name) FROM mysql('mysql57:3306|mysql2:3306|mysql3:3306', 'clickhouse', 'test_replicas', 'root', 'clickhouse'); """
)
assert result == "host1\n" or result == "host2\n" or result == "host3\n"
# check all replicas are traversed
query = "SELECT * FROM ("
for i in range(3):
query += "SELECT name FROM test_replicas UNION DISTINCT "
query += "SELECT name FROM test_replicas)"
result = node2.query(query)
assert result == "host2\nhost3\nhost4\n"
# Storage with with two shards, each has 2 replicas
node2.query("DROP TABLE IF EXISTS test_shards")
node2.query(
"""
CREATE TABLE test_shards
(id UInt32, name String, age UInt32, money UInt32)
ENGINE = ExternalDistributed('MySQL', 'mysql{57|2}:3306,mysql{3|4}:3306', 'clickhouse', 'test_replicas', 'root', 'clickhouse'); """
)
# Check only one replica in each shard is used
result = node2.query("SELECT DISTINCT(name) FROM test_shards ORDER BY name")
assert result == "host1\nhost3\n"
# check all replicas are traversed
query = "SELECT name FROM ("
for i in range(3):
query += "SELECT name FROM test_shards UNION DISTINCT "
query += "SELECT name FROM test_shards) ORDER BY name"
result = node2.query(query)
assert result == "host1\nhost2\nhost3\nhost4\n"
# disconnect mysql57
started_cluster.pause_container("mysql57")
result = node2.query("SELECT DISTINCT(name) FROM test_shards ORDER BY name")
started_cluster.unpause_container("mysql57")
assert result == "host2\nhost4\n" or result == "host3\nhost4\n"
def test_external_settings(started_cluster):
table_name = "test_external_settings"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
conn = get_mysql_conn(started_cluster, started_cluster.mysql_ip)
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node3.query(f"DROP TABLE IF EXISTS {table_name}")
node3.query(
"""
CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
""".format(
table_name, table_name
)
)
node3.query(
"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(100) ".format(
table_name
)
)
assert node3.query("SELECT count() FROM {}".format(table_name)).rstrip() == "100"
assert node3.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == "300"
node3.query(
"select value from system.settings where name = 'max_block_size' FORMAT TSV"
) == "2\n"
node3.query(
"select value from system.settings where name = 'external_storage_max_read_rows' FORMAT TSV"
) == "0\n"
assert (
node3.query(
"SELECT COUNT(DISTINCT blockNumber()) FROM {} FORMAT TSV".format(table_name)
)
== "50\n"
)
conn.close()
def test_settings_connection_wait_timeout(started_cluster):
table_name = "test_settings_connection_wait_timeout"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
wait_timeout = 2
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node1.query(
"""
CREATE TABLE {}
(
id UInt32,
name String,
age UInt32,
money UInt32
)
ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse')
SETTINGS connection_wait_timeout={}, connection_pool_size=1
""".format(
table_name, table_name, wait_timeout
)
)
node1.query(
"INSERT INTO {} (id, name) SELECT number, concat('name_', toString(number)) from numbers(10) ".format(
table_name
)
)
worker_started_event = threading.Event()
def worker():
worker_started_event.set()
node1.query(
"SELECT 1, sleepEachRow(1) FROM {} SETTINGS max_threads=1".format(
table_name
)
)
worker_thread = threading.Thread(target=worker)
worker_thread.start()
# ensure that first query started in worker_thread
assert worker_started_event.wait(10)
time.sleep(1)
started = time.time()
with pytest.raises(
QueryRuntimeException,
match=r"Exception: mysqlxx::Pool is full \(connection_wait_timeout is exceeded\)",
):
node1.query(
"SELECT 2, sleepEachRow(1) FROM {} SETTINGS max_threads=1".format(
table_name
)
)
ended = time.time()
assert (ended - started) >= wait_timeout
worker_thread.join()
drop_mysql_table(conn, table_name)
conn.close()
def test_predefined_connection_configuration(started_cluster):
conn = get_mysql_conn(started_cluster, started_cluster.mysql_ip)
table_name = "test_table"
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node1.query(
"""
DROP TABLE IF EXISTS test_table;
CREATE TABLE test_table (id UInt32, name String, age UInt32, money UInt32)
ENGINE MySQL(mysql1);
"""
)
node1.query(
"INSERT INTO test_table (id, name, money) select number, toString(number), number from numbers(100)"
)
assert node1.query(f"SELECT count() FROM test_table").rstrip() == "100"
node1.query(
"""
DROP TABLE IF EXISTS test_table;
CREATE TABLE test_table (id UInt32, name String, age UInt32, money UInt32)
ENGINE MySQL(mysql1, replace_query=1);
"""
)
node1.query(
"INSERT INTO test_table (id, name, money) select number, toString(number), number from numbers(100)"
)
node1.query(
"INSERT INTO test_table (id, name, money) select number, toString(number), number from numbers(100)"
)
assert node1.query(f"SELECT count() FROM test_table").rstrip() == "100"
node1.query_and_get_error(
"""
DROP TABLE IF EXISTS test_table;
CREATE TABLE test_table (id UInt32, name String, age UInt32, money UInt32)
ENGINE MySQL(mysql1, query=1);
"""
)
node1.query_and_get_error(
"""
DROP TABLE IF EXISTS test_table;
CREATE TABLE test_table (id UInt32, name String, age UInt32, money UInt32)
ENGINE MySQL(mysql1, replace_query=1, on_duplicate_clause='kek');
"""
)
node1.query_and_get_error(
"""
DROP TABLE IF EXISTS test_table;
CREATE TABLE test_table (id UInt32, name String, age UInt32, money UInt32)
ENGINE MySQL(fff);
"""
)
node1.query_and_get_error(
"""
DROP TABLE IF EXISTS test_table;
CREATE TABLE test_table (id UInt32, name String, age UInt32, money UInt32)
ENGINE MySQL(mysql2);
"""
)
node1.query(
"""
DROP TABLE IF EXISTS test_table;
CREATE TABLE test_table (id UInt32, name String, age UInt32, money UInt32)
ENGINE MySQL(mysql3, port=3306);
"""
)
assert node1.query(f"SELECT count() FROM test_table").rstrip() == "100"
assert "Connection pool cannot have zero size" in node1.query_and_get_error(
"SELECT count() FROM mysql(mysql1, table='test_table', connection_pool_size=0)"
)
assert "Connection pool cannot have zero size" in node1.query_and_get_error(
"SELECT count() FROM mysql(mysql4)"
)
assert (
int(node1.query("SELECT count() FROM mysql(mysql4, connection_pool_size=1)"))
== 100
)
# Regression for (k, v) IN ((k, v))
def test_mysql_in(started_cluster):
table_name = "test_mysql_in"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node1.query(
"""
CREATE TABLE {}
(
id UInt32,
name String,
age UInt32,
money UInt32
)
ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse')
""".format(
table_name, table_name
)
)
node1.query(
"INSERT INTO {} (id, name) SELECT number, concat('name_', toString(number)) from numbers(10) ".format(
table_name
)
)
node1.query("SELECT * FROM {} WHERE (id) IN (1)".format(table_name))
node1.query("SELECT * FROM {} WHERE (id) IN (1, 2)".format(table_name))
node1.query(
"SELECT * FROM {} WHERE (id, name) IN ((1, 'name_1'))".format(table_name)
)
node1.query(
"SELECT * FROM {} WHERE (id, name) IN ((1, 'name_1'),(1, 'name_1'))".format(
table_name
)
)
drop_mysql_table(conn, table_name)
conn.close()
def test_mysql_null(started_cluster):
table_name = "test_mysql_in"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, table_name)
with conn.cursor() as cursor:
cursor.execute(
"""
CREATE TABLE `clickhouse`.`{}` (
`id` int(11) NOT NULL,
`money` int NULL default NULL,
PRIMARY KEY (`id`)) ENGINE=InnoDB;
""".format(
table_name
)
)
node1.query(
"""
CREATE TABLE {}
(
id UInt32,
money Nullable(UInt32)
)
ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse')
""".format(
table_name, table_name
)
)
node1.query(
"INSERT INTO {} (id, money) SELECT number, if(number%2, NULL, 1) from numbers(10) ".format(
table_name
)
)
assert (
int(
node1.query(
"SELECT count() FROM {} WHERE money IS NULL SETTINGS external_table_strict_query=1".format(
table_name
)
)
)
== 5
)
assert (
int(
node1.query(
"SELECT count() FROM {} WHERE money IS NOT NULL SETTINGS external_table_strict_query=1".format(
table_name
)
)
)
== 5
)
drop_mysql_table(conn, table_name)
conn.close()
def test_settings(started_cluster):
table_name = "test_settings"
node1.query(f"DROP TABLE IF EXISTS {table_name}")
wait_timeout = 123
rw_timeout = 10123001
connect_timeout = 10123002
connection_pool_size = 1
conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
drop_mysql_table(conn, table_name)
create_mysql_table(conn, table_name)
node1.query(
f"""
CREATE TABLE {table_name}
(
id UInt32,
name String,
age UInt32,
money UInt32
)
ENGINE = MySQL('mysql57:3306', 'clickhouse', '{table_name}', 'root', 'clickhouse')
SETTINGS connection_wait_timeout={wait_timeout}, connect_timeout={connect_timeout}, read_write_timeout={rw_timeout}, connection_pool_size={connection_pool_size}
"""
)
node1.query(f"SELECT * FROM {table_name}")
assert node1.contains_in_log(
f"with settings: connect_timeout={connect_timeout}, read_write_timeout={rw_timeout}"
)
rw_timeout = 20123001
connect_timeout = 20123002
node1.query(f"SELECT * FROM mysql(mysql_with_settings, table='test_settings')")
assert node1.contains_in_log(
f"with settings: connect_timeout={connect_timeout}, read_write_timeout={rw_timeout}"
)
rw_timeout = 30123001
connect_timeout = 30123002
node1.query(
f"""
SELECT *
FROM mysql('mysql57:3306', 'clickhouse', '{table_name}', 'root', 'clickhouse',
SETTINGS
connection_wait_timeout={wait_timeout},
connect_timeout={connect_timeout},
read_write_timeout={rw_timeout},
connection_pool_size={connection_pool_size})
"""
)
assert node1.contains_in_log(
f"with settings: connect_timeout={connect_timeout}, read_write_timeout={rw_timeout}"
)
rw_timeout = 40123001
connect_timeout = 40123002
node1.query(
f"""
CREATE DATABASE m
ENGINE = MySQL(mysql_with_settings, connection_wait_timeout={wait_timeout}, connect_timeout={connect_timeout}, read_write_timeout={rw_timeout}, connection_pool_size={connection_pool_size})
"""
)
assert node1.contains_in_log(
f"with settings: connect_timeout={connect_timeout}, read_write_timeout={rw_timeout}"
)
rw_timeout = 50123001
connect_timeout = 50123002
node1.query(
f"""
CREATE DATABASE mm ENGINE = MySQL('mysql57:3306', 'clickhouse', 'root', 'clickhouse')
SETTINGS
connection_wait_timeout={wait_timeout},
connect_timeout={connect_timeout},
read_write_timeout={rw_timeout},
connection_pool_size={connection_pool_size}
"""
)
assert node1.contains_in_log(
f"with settings: connect_timeout={connect_timeout}, read_write_timeout={rw_timeout}"
)
drop_mysql_table(conn, table_name)
conn.close()
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...")