from contextlib import contextmanager ## sudo -H pip install PyMySQL import pymysql.cursors import pytest from helpers.cluster import ClickHouseCluster cluster = ClickHouseCluster(__file__) node1 = cluster.add_instance('node1', main_configs=['configs/remote_servers.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; """ @pytest.fixture(scope="module") def started_cluster(): try: cluster.start() conn = get_mysql_conn() ## create mysql db and table create_mysql_db(conn, 'clickhouse') yield cluster finally: cluster.shutdown() def test_many_connections(started_cluster): table_name = 'test_many_connections' conn = get_mysql_conn() create_mysql_table(conn, table_name) node1.query(''' CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql1:3306', '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' conn.close() def test_insert_select(started_cluster): table_name = 'test_insert_select' conn = get_mysql_conn() create_mysql_table(conn, table_name) node1.query(''' CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql1:3306', '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' conn = get_mysql_conn() create_mysql_table(conn, table_name) node1.query(''' CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql1:3306', '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' conn = get_mysql_conn() create_mysql_table(conn, table_name) node1.query(''' CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql1:3306', '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' conn = get_mysql_conn() create_mysql_table(conn, table_name) node1.query(''' CREATE TABLE {}(id UInt32, name String, age UInt32, money UInt32) ENGINE = MySQL('mysql1:3306', '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() create_mysql_table(conn, 'table_function') table_function = "mysql('mysql1:3306', '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_enum_type(started_cluster): table_name = 'test_enum_type' conn = get_mysql_conn() 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('mysql1:3306', '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 get_mysql_conn(): conn = pymysql.connect(user='root', password='clickhouse', host='127.0.0.1', port=3308) return conn def create_mysql_db(conn, name): with conn.cursor() as cursor: cursor.execute( "CREATE DATABASE {} DEFAULT CHARACTER SET 'utf8'".format(name)) def create_mysql_table(conn, tableName): with conn.cursor() as cursor: cursor.execute(create_table_sql_template.format(tableName)) 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...")