mirror of
https://github.com/ClickHouse/ClickHouse.git
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740 lines
23 KiB
Python
740 lines
23 KiB
Python
from contextlib import contextmanager
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## sudo -H pip install PyMySQL
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import pymysql.cursors
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import pytest
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import time
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import threading
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from helpers.cluster import ClickHouseCluster
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from helpers.client import QueryRuntimeException
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance(
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"node1",
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main_configs=["configs/remote_servers.xml", "configs/named_collections.xml"],
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with_mysql=True,
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)
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node2 = cluster.add_instance(
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"node2", main_configs=["configs/remote_servers.xml"], with_mysql_cluster=True
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)
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node3 = cluster.add_instance(
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"node3",
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main_configs=["configs/remote_servers.xml"],
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user_configs=["configs/users.xml"],
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with_mysql=True,
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)
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create_table_sql_template = """
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CREATE TABLE `clickhouse`.`{}` (
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`id` int(11) NOT NULL,
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`name` varchar(50) NOT NULL,
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`age` int NOT NULL default 0,
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`money` int NOT NULL default 0,
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`source` enum('IP','URL') DEFAULT 'IP',
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PRIMARY KEY (`id`)) ENGINE=InnoDB;
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"""
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drop_table_sql_template = """
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DROP TABLE IF EXISTS `clickhouse`.`{}`;
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"""
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def get_mysql_conn(started_cluster, host):
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conn = pymysql.connect(
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user="root", password="clickhouse", host=host, port=started_cluster.mysql_port
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)
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return conn
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def create_mysql_table(conn, tableName):
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with conn.cursor() as cursor:
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cursor.execute(create_table_sql_template.format(tableName))
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def drop_mysql_table(conn, tableName):
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with conn.cursor() as cursor:
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cursor.execute(drop_table_sql_template.format(tableName))
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def create_mysql_db(conn, name):
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with conn.cursor() as cursor:
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cursor.execute("DROP DATABASE IF EXISTS {}".format(name))
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cursor.execute("CREATE DATABASE {} DEFAULT CHARACTER SET 'utf8'".format(name))
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@pytest.fixture(scope="module")
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def started_cluster():
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try:
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cluster.start()
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conn = get_mysql_conn(cluster, cluster.mysql_ip)
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create_mysql_db(conn, "clickhouse")
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## create mysql db and table
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conn1 = get_mysql_conn(cluster, cluster.mysql2_ip)
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create_mysql_db(conn1, "clickhouse")
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yield cluster
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finally:
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cluster.shutdown()
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def test_many_connections(started_cluster):
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table_name = "test_many_connections"
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node1.query(f"DROP TABLE IF EXISTS {table_name}")
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conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
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drop_mysql_table(conn, table_name)
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create_mysql_table(conn, table_name)
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node1.query(
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"""
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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
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""".format(
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table_name, table_name
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)
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)
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node1.query(
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"INSERT INTO {} (id, name) SELECT number, concat('name_', toString(number)) from numbers(10) ".format(
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table_name
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)
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)
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query = "SELECT count() FROM ("
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for i in range(24):
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query += "SELECT id FROM {t} UNION ALL "
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query += "SELECT id FROM {t})"
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assert node1.query(query.format(t=table_name)) == "250\n"
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drop_mysql_table(conn, table_name)
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conn.close()
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def test_insert_select(started_cluster):
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table_name = "test_insert_select"
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node1.query(f"DROP TABLE IF EXISTS {table_name}")
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conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
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drop_mysql_table(conn, table_name)
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create_mysql_table(conn, table_name)
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node1.query(
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"""
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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
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""".format(
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table_name, table_name
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)
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)
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node1.query(
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"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
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table_name
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)
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)
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assert node1.query("SELECT count() FROM {}".format(table_name)).rstrip() == "10000"
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assert (
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node1.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == "30000"
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)
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conn.close()
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def test_replace_select(started_cluster):
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table_name = "test_replace_select"
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node1.query(f"DROP TABLE IF EXISTS {table_name}")
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conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
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drop_mysql_table(conn, table_name)
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create_mysql_table(conn, table_name)
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node1.query(
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"""
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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse', 1);
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""".format(
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table_name, table_name
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)
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)
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node1.query(
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"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
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table_name
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)
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)
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node1.query(
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"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
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table_name
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)
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)
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assert node1.query("SELECT count() FROM {}".format(table_name)).rstrip() == "10000"
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assert (
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node1.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == "30000"
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)
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conn.close()
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def test_insert_on_duplicate_select(started_cluster):
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table_name = "test_insert_on_duplicate_select"
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node1.query(f"DROP TABLE IF EXISTS {table_name}")
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conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
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drop_mysql_table(conn, table_name)
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create_mysql_table(conn, table_name)
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node1.query(
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"""
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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse', 0, 'update money = money + values(money)');
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""".format(
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table_name, table_name
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)
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)
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node1.query(
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"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
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table_name
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)
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)
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node1.query(
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"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
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table_name
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)
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)
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assert node1.query("SELECT count() FROM {}".format(table_name)).rstrip() == "10000"
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assert (
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node1.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == "60000"
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)
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conn.close()
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def test_where(started_cluster):
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table_name = "test_where"
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node1.query(f"DROP TABLE IF EXISTS {table_name}")
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conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
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drop_mysql_table(conn, table_name)
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create_mysql_table(conn, table_name)
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node1.query(
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"""
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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
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""".format(
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table_name, table_name
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)
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)
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node1.query(
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"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000) ".format(
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table_name
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)
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)
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assert (
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node1.query(
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"SELECT count() FROM {} WHERE name LIKE '%name_%'".format(table_name)
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).rstrip()
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== "10000"
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)
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assert (
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node1.query(
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"SELECT count() FROM {} WHERE name NOT LIKE '%tmp_%'".format(table_name)
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).rstrip()
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== "10000"
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)
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assert (
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node1.query(
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"SELECT count() FROM {} WHERE money IN (1, 2, 3)".format(table_name)
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).rstrip()
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== "10000"
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)
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assert (
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node1.query(
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"SELECT count() FROM {} WHERE money IN (1, 2, 4, 5, 6)".format(table_name)
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).rstrip()
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== "0"
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)
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assert (
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node1.query(
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"SELECT count() FROM {} WHERE money NOT IN (1, 2, 4, 5, 6)".format(
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table_name
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)
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).rstrip()
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== "10000"
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)
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assert (
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node1.query(
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"SELECT count() FROM {} WHERE name LIKE concat('name_', toString(1))".format(
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table_name
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)
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).rstrip()
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== "1"
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)
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conn.close()
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def test_table_function(started_cluster):
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conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
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drop_mysql_table(conn, "table_function")
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create_mysql_table(conn, "table_function")
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table_function = (
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"mysql('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse')".format(
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"table_function"
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)
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)
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assert node1.query("SELECT count() FROM {}".format(table_function)).rstrip() == "0"
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node1.query(
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"INSERT INTO {} (id, name, money) select number, concat('name_', toString(number)), 3 from numbers(10000)".format(
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"TABLE FUNCTION " + table_function
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)
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)
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assert (
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node1.query("SELECT count() FROM {}".format(table_function)).rstrip() == "10000"
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)
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assert (
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node1.query(
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"SELECT sum(c) FROM ("
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"SELECT count() as c FROM {} WHERE id % 3 == 0"
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" UNION ALL SELECT count() as c FROM {} WHERE id % 3 == 1"
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" UNION ALL SELECT count() as c FROM {} WHERE id % 3 == 2)".format(
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table_function, table_function, table_function
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)
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).rstrip()
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== "10000"
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)
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assert (
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node1.query("SELECT sum(`money`) FROM {}".format(table_function)).rstrip()
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== "30000"
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)
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node1.query(
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"INSERT INTO {} (id, name, age, money) SELECT id + 100000, name, age, money FROM {}".format(
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"TABLE FUNCTION " + table_function, table_function
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)
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)
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assert (
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node1.query("SELECT sum(`money`) FROM {}".format(table_function)).rstrip()
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== "60000"
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)
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conn.close()
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def test_binary_type(started_cluster):
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conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
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drop_mysql_table(conn, "binary_type")
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with conn.cursor() as cursor:
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cursor.execute(
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"CREATE TABLE clickhouse.binary_type (id INT PRIMARY KEY, data BINARY(16) NOT NULL)"
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)
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table_function = (
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"mysql('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse')".format(
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"binary_type"
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)
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)
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node1.query(
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"INSERT INTO {} VALUES (42, 'clickhouse')".format(
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"TABLE FUNCTION " + table_function
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)
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)
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assert (
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node1.query("SELECT * FROM {}".format(table_function))
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== "42\tclickhouse\\0\\0\\0\\0\\0\\0\n"
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)
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def test_enum_type(started_cluster):
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table_name = "test_enum_type"
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node1.query(f"DROP TABLE IF EXISTS {table_name}")
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conn = get_mysql_conn(started_cluster, cluster.mysql_ip)
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drop_mysql_table(conn, table_name)
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create_mysql_table(conn, table_name)
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node1.query(
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"""
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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32, source Enum8('IP' = 1, 'URL' = 2)) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse', 1);
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""".format(
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table_name, table_name
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)
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)
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node1.query(
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"INSERT INTO {} (id, name, age, money, source) VALUES (1, 'name', 0, 0, 'URL')".format(
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table_name
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)
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)
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assert (
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node1.query("SELECT source FROM {} LIMIT 1".format(table_name)).rstrip()
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== "URL"
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)
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conn.close()
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def test_mysql_distributed(started_cluster):
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table_name = "test_replicas"
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conn1 = get_mysql_conn(started_cluster, started_cluster.mysql_ip)
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conn2 = get_mysql_conn(started_cluster, started_cluster.mysql2_ip)
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conn3 = get_mysql_conn(started_cluster, started_cluster.mysql3_ip)
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conn4 = get_mysql_conn(started_cluster, started_cluster.mysql4_ip)
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create_mysql_db(conn1, "clickhouse")
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create_mysql_db(conn2, "clickhouse")
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create_mysql_db(conn3, "clickhouse")
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create_mysql_db(conn4, "clickhouse")
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create_mysql_table(conn1, table_name)
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create_mysql_table(conn2, table_name)
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create_mysql_table(conn3, table_name)
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create_mysql_table(conn4, table_name)
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node2.query("DROP TABLE IF EXISTS test_replicas")
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# Storage with with 3 replicas
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node2.query(
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"""
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CREATE TABLE test_replicas
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(id UInt32, name String, age UInt32, money UInt32)
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ENGINE = MySQL('mysql{2|3|4}:3306', 'clickhouse', 'test_replicas', 'root', 'clickhouse'); """
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)
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# Fill remote tables with different data to be able to check
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nodes = [node1, node2, node2, node2]
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for i in range(1, 5):
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nodes[i - 1].query("DROP TABLE IF EXISTS test_replica{}".format(i))
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nodes[i - 1].query(
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"""
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CREATE TABLE test_replica{}
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(id UInt32, name String, age UInt32, money UInt32)
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ENGINE = MySQL('mysql{}:3306', 'clickhouse', 'test_replicas', 'root', 'clickhouse');""".format(
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i, 57 if i == 1 else i
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)
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)
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nodes[i - 1].query(
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"INSERT INTO test_replica{} (id, name) SELECT number, 'host{}' from numbers(10) ".format(
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i, i
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)
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)
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# test multiple ports parsing
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result = node2.query(
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"""SELECT DISTINCT(name) FROM mysql('mysql{57|2|3}:3306', 'clickhouse', 'test_replicas', 'root', 'clickhouse'); """
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)
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assert result == "host1\n" or result == "host2\n" or result == "host3\n"
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result = node2.query(
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"""SELECT DISTINCT(name) FROM mysql('mysql57:3306|mysql2:3306|mysql3:3306', 'clickhouse', 'test_replicas', 'root', 'clickhouse'); """
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)
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assert result == "host1\n" or result == "host2\n" or result == "host3\n"
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# check all replicas are traversed
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query = "SELECT * FROM ("
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for i in range(3):
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query += "SELECT name FROM test_replicas UNION DISTINCT "
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query += "SELECT name FROM test_replicas)"
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result = node2.query(query)
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assert result == "host2\nhost3\nhost4\n"
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# Storage with with two shards, each has 2 replicas
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node2.query("DROP TABLE IF EXISTS test_shards")
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node2.query(
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"""
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CREATE TABLE test_shards
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(id UInt32, name String, age UInt32, money UInt32)
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ENGINE = ExternalDistributed('MySQL', 'mysql{57|2}:3306,mysql{3|4}:3306', 'clickhouse', 'test_replicas', 'root', 'clickhouse'); """
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)
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# Check only one replica in each shard is used
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result = node2.query("SELECT DISTINCT(name) FROM test_shards ORDER BY name")
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assert result == "host1\nhost3\n"
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# check all replicas are traversed
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query = "SELECT name FROM ("
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for i in range(3):
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query += "SELECT name FROM test_shards UNION DISTINCT "
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query += "SELECT name FROM test_shards) ORDER BY name"
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result = node2.query(query)
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assert result == "host1\nhost2\nhost3\nhost4\n"
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# disconnect mysql57
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started_cluster.pause_container("mysql57")
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result = node2.query("SELECT DISTINCT(name) FROM test_shards ORDER BY name")
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started_cluster.unpause_container("mysql57")
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assert result == "host2\nhost4\n" or result == "host3\nhost4\n"
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def test_external_settings(started_cluster):
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table_name = "test_external_settings"
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node1.query(f"DROP TABLE IF EXISTS {table_name}")
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conn = get_mysql_conn(started_cluster, started_cluster.mysql_ip)
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drop_mysql_table(conn, table_name)
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create_mysql_table(conn, table_name)
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node3.query(f"DROP TABLE IF EXISTS {table_name}")
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node3.query(
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"""
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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
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""".format(
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table_name, table_name
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)
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)
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node3.query(
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"INSERT INTO {}(id, name, money) select number, concat('name_', toString(number)), 3 from numbers(100) ".format(
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table_name
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)
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)
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assert node3.query("SELECT count() FROM {}".format(table_name)).rstrip() == "100"
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assert node3.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == "300"
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node3.query(
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"select value from system.settings where name = 'max_block_size' FORMAT TSV"
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) == "2\n"
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node3.query(
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"select value from system.settings where name = 'external_storage_max_read_rows' FORMAT TSV"
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) == "0\n"
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assert (
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node3.query(
|
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"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
|
|
)
|
|
)
|
|
|
|
def worker():
|
|
node1.query("SELECT sleepEachRow(1) FROM {}".format(table_name))
|
|
|
|
worker_thread = threading.Thread(target=worker)
|
|
worker_thread.start()
|
|
|
|
# ensure that first query started in worker_thread
|
|
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 sleepEachRow(1) FROM {}".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()
|
|
|
|
|
|
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...")
|