mirror of
https://github.com/ClickHouse/ClickHouse.git
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327 lines
15 KiB
Python
327 lines
15 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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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.xml'], with_mysql=True)
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node2 = cluster.add_instance('node2', main_configs=['configs/remote_servers.xml'], with_mysql_cluster=True)
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node3 = cluster.add_instance('node3', main_configs=['configs/remote_servers.xml'], user_configs=['configs/users.xml'], with_mysql=True)
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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(user='root', password='clickhouse', host=host, port=started_cluster.mysql_port)
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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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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
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'''.format(table_name, table_name))
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node1.query("INSERT INTO {} (id, name) SELECT number, concat('name_', toString(number)) from numbers(10) ".format(table_name))
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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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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
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'''.format(table_name, table_name))
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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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assert node1.query("SELECT count() FROM {}".format(table_name)).rstrip() == '10000'
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assert node1.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == '30000'
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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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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse', 1);
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'''.format(table_name, table_name))
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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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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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assert node1.query("SELECT count() FROM {}".format(table_name)).rstrip() == '10000'
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assert node1.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == '30000'
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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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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(table_name, table_name))
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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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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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assert node1.query("SELECT count() FROM {}".format(table_name)).rstrip() == '10000'
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assert node1.query("SELECT sum(money) FROM {}".format(table_name)).rstrip() == '60000'
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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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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
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'''.format(table_name, table_name))
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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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assert node1.query("SELECT count() FROM {} WHERE name LIKE '%name_%'".format(table_name)).rstrip() == '10000'
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assert node1.query("SELECT count() FROM {} WHERE name NOT LIKE '%tmp_%'".format(table_name)).rstrip() == '10000'
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assert node1.query("SELECT count() FROM {} WHERE money IN (1, 2, 3)".format(table_name)).rstrip() == '10000'
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assert node1.query("SELECT count() FROM {} WHERE money IN (1, 2, 4, 5, 6)".format(table_name)).rstrip() == '0'
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assert node1.query(
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"SELECT count() FROM {} WHERE money NOT IN (1, 2, 4, 5, 6)".format(table_name)).rstrip() == '10000'
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assert node1.query(
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"SELECT count() FROM {} WHERE name LIKE concat('name_', toString(1))".format(table_name)).rstrip() == '1'
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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 = "mysql('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse')".format('table_function')
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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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assert node1.query("SELECT count() FROM {}".format(table_function)).rstrip() == '10000'
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assert node1.query("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(table_function,
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table_function,
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table_function)).rstrip() == '10000'
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assert node1.query("SELECT sum(`money`) FROM {}".format(table_function)).rstrip() == '30000'
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node1.query("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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assert node1.query("SELECT sum(`money`) FROM {}".format(table_function)).rstrip() == '60000'
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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("CREATE TABLE clickhouse.binary_type (id INT PRIMARY KEY, data BINARY(16) NOT NULL)")
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table_function = "mysql('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse')".format('binary_type')
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node1.query("INSERT INTO {} VALUES (42, 'clickhouse')".format('TABLE FUNCTION ' + table_function))
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assert node1.query("SELECT * FROM {}".format(table_function)) == '42\tclickhouse\\0\\0\\0\\0\\0\\0\n'
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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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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(table_name, table_name))
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node1.query("INSERT INTO {} (id, name, age, money, source) VALUES (1, 'name', 0, 0, 'URL')".format(table_name))
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assert node1.query("SELECT source FROM {} LIMIT 1".format(table_name)).rstrip() == 'URL'
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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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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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# 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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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(i, 57 if i==1 else i))
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nodes[i-1].query("INSERT INTO test_replica{} (id, name) SELECT number, 'host{}' from numbers(10) ".format(i, i))
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# test multiple ports parsing
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result = node2.query('''SELECT DISTINCT(name) FROM mysql(`mysql{57|2|3}:3306`, 'clickhouse', 'test_replicas', 'root', 'clickhouse'); ''')
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assert(result == 'host1\n' or result == 'host2\n' or result == 'host3\n')
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result = node2.query('''SELECT DISTINCT(name) FROM mysql(`mysql57:3306|mysql2:3306|mysql3:3306`, 'clickhouse', 'test_replicas', 'root', 'clickhouse'); ''')
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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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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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# 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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CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql57:3306', 'clickhouse', '{}', 'root', 'clickhouse');
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'''.format(table_name, table_name))
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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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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("select value from system.settings where name = 'max_block_size' FORMAT TSV") == "2\n"
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node3.query("select value from system.settings where name = 'external_storage_max_read_rows' FORMAT TSV") == "0\n"
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assert node3.query("SELECT COUNT(DISTINCT blockNumber()) FROM {} FORMAT TSV".format(table_name)) == '50\n'
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conn.close()
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if __name__ == '__main__':
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with contextmanager(started_cluster)() as cluster:
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for name, instance in list(cluster.instances.items()):
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print(name, instance.ip_address)
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input("Cluster created, press any key to destroy...")
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