mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 21:51:57 +00:00
120 lines
4.6 KiB
Python
120 lines
4.6 KiB
Python
import pytest
|
|
import time
|
|
import psycopg2
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance('node1', main_configs=['configs/config.xml', 'configs/postgres_dict.xml', 'configs/log_conf.xml'], with_postgres=True)
|
|
|
|
postgres_dict_table_template = """
|
|
CREATE TABLE IF NOT EXISTS {} (
|
|
id Integer NOT NULL, value Integer NOT NULL, PRIMARY KEY (id))
|
|
"""
|
|
click_dict_table_template = """
|
|
CREATE TABLE IF NOT EXISTS `test`.`dict_table_{}` (
|
|
`id` UInt64, `value` UInt32
|
|
) ENGINE = Dictionary({})
|
|
"""
|
|
|
|
def get_postgres_conn(database=False):
|
|
if database == True:
|
|
conn_string = "host='localhost' dbname='clickhouse' user='postgres' password='mysecretpassword'"
|
|
else:
|
|
conn_string = "host='localhost' user='postgres' password='mysecretpassword'"
|
|
conn = psycopg2.connect(conn_string)
|
|
conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
|
|
conn.autocommit = True
|
|
return conn
|
|
|
|
def create_postgres_db(conn, name):
|
|
cursor = conn.cursor()
|
|
cursor.execute("CREATE DATABASE {}".format(name))
|
|
|
|
def create_postgres_table(conn, table_name):
|
|
cursor = conn.cursor()
|
|
cursor.execute(postgres_dict_table_template.format(table_name))
|
|
|
|
def create_and_fill_postgres_table(table_name):
|
|
conn = get_postgres_conn(True)
|
|
create_postgres_table(conn, table_name)
|
|
# Fill postgres table using clickhouse postgres table function and check
|
|
table_func = '''postgresql('postgres1:5432', 'clickhouse', '{}', 'postgres', 'mysecretpassword')'''.format(table_name)
|
|
node1.query('''INSERT INTO TABLE FUNCTION {} SELECT number, number from numbers(10000)
|
|
'''.format(table_func, table_name))
|
|
result = node1.query("SELECT count() FROM {}".format(table_func))
|
|
assert result.rstrip() == '10000'
|
|
|
|
def create_dict(table_name, index=0):
|
|
node1.query(click_dict_table_template.format(table_name, 'dict' + str(index)))
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
postgres_conn = get_postgres_conn()
|
|
node1.query("CREATE DATABASE IF NOT EXISTS test")
|
|
print("postgres connected")
|
|
create_postgres_db(postgres_conn, 'clickhouse')
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def test_load_dictionaries(started_cluster):
|
|
conn = get_postgres_conn(True)
|
|
cursor = conn.cursor()
|
|
table_name = 'test0'
|
|
create_and_fill_postgres_table(table_name)
|
|
create_dict(table_name)
|
|
dict_name = 'dict0'
|
|
|
|
node1.query("SYSTEM RELOAD DICTIONARIES")
|
|
assert node1.query("SELECT count() FROM `test`.`dict_table_{}`".format(table_name)).rstrip() == '10000'
|
|
assert node1.query("SELECT dictGetUInt32('{}', 'id', toUInt64(0))".format(dict_name)) == '0\n'
|
|
assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(9999))".format(dict_name)) == '9999\n'
|
|
cursor.execute("DROP TABLE IF EXISTS {}".format(table_name))
|
|
|
|
|
|
def test_invalidate_query(started_cluster):
|
|
conn = get_postgres_conn(True)
|
|
cursor = conn.cursor()
|
|
table_name = 'test0'
|
|
create_and_fill_postgres_table(table_name)
|
|
|
|
# invalidate query: SELECT value FROM test0 WHERE id = 0
|
|
dict_name = 'dict0'
|
|
create_dict(table_name)
|
|
node1.query("SYSTEM RELOAD DICTIONARY {}".format(dict_name))
|
|
assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(0))".format(dict_name)) == "0\n"
|
|
assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(1))".format(dict_name)) == "1\n"
|
|
|
|
# update should happen
|
|
cursor.execute("UPDATE {} SET value=value+1 WHERE id = 0".format(table_name))
|
|
while True:
|
|
result = node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(0))".format(dict_name))
|
|
if result != '0\n':
|
|
break
|
|
assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(0))".format(dict_name)) == '1\n'
|
|
|
|
# no update should happen
|
|
cursor.execute("UPDATE {} SET value=value*2 WHERE id != 0".format(table_name))
|
|
time.sleep(5)
|
|
assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(0))".format(dict_name)) == '1\n'
|
|
assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(1))".format(dict_name)) == '1\n'
|
|
|
|
# update should happen
|
|
cursor.execute("UPDATE {} SET value=value+1 WHERE id = 0".format(table_name))
|
|
time.sleep(5)
|
|
assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(0))".format(dict_name)) == '2\n'
|
|
assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(1))".format(dict_name)) == '2\n'
|
|
|
|
|
|
if __name__ == '__main__':
|
|
cluster.start()
|
|
input("Cluster created, press any key to destroy...")
|
|
cluster.shutdown()
|