mirror of
https://github.com/ClickHouse/ClickHouse.git
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258 lines
9.7 KiB
Python
258 lines
9.7 KiB
Python
from __future__ import print_function
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import sys
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import time
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import itertools
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import timeit
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import logging
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import pytest
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from helpers.uclient import client, prompt, end_of_block
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from helpers.cluster import ClickHouseCluster
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from helpers.network import PartitionManager
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from helpers.test_tools import TSV
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cluster = ClickHouseCluster(__file__)
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NODES = {'node' + str(i): cluster.add_instance(
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'node' + str(i),
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main_configs=['configs/remote_servers.xml'],
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user_configs=['configs/set_distributed_defaults.xml'],
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) for i in (1, 2)}
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CREATE_TABLES_SQL = '''
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DROP TABLE IF EXISTS lv_over_base_table;
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DROP TABLE IF EXISTS distributed_table;
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DROP TABLE IF EXISTS base_table;
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SET allow_experimental_live_view = 1;
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CREATE TABLE
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base_table(
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node String,
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key Int32,
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value Int32
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)
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ENGINE = Memory;
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CREATE LIVE VIEW lv_over_base_table AS SELECT * FROM base_table;
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CREATE TABLE
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distributed_table
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AS base_table
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ENGINE = Distributed(test_cluster, default, base_table, rand());
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'''
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INSERT_SQL_TEMPLATE = "INSERT INTO base_table VALUES ('{node_id}', {key}, {value})"
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@pytest.fixture(scope="function")
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def started_cluster():
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try:
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cluster.start()
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for node_index, (node_name, node) in enumerate(NODES.items()):
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node.query(CREATE_TABLES_SQL)
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for i in range(0, 2):
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sql = INSERT_SQL_TEMPLATE.format(node_id=node_name, key=i, value=i + (node_index * 10))
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node.query(sql)
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yield cluster
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finally:
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cluster.shutdown()
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@pytest.mark.parametrize("node", NODES.values()[:1])
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@pytest.mark.parametrize("source", ["lv_over_distributed_table"])
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class TestLiveViewOverDistributedSuite:
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def test_distributed_over_live_view_order_by_node(self, started_cluster, node, source):
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log = sys.stdout
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node0, node1 = NODES.values()
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select_query = "SELECT * FROM distributed_over_lv ORDER BY node, key FORMAT CSV"
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with client(name="client1> ", log=log, command=" ".join(node0.client.command)) as client1, \
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client(name="client2> ", log=log, command=" ".join(node1.client.command)) as client2:
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client1.expect(prompt)
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client2.expect(prompt)
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client1.send("DROP TABLE IF EXISTS distributed_over_lv")
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client1.expect(prompt)
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client1.send("CREATE TABLE distributed_over_lv AS lv_over_base_table ENGINE = Distributed(test_cluster, default, lv_over_base_table)")
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client1.expect(prompt)
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client1.send(select_query)
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client1.expect('"node1",0,0')
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client1.expect('"node1",1,1')
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client1.expect('"node2",0,10')
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client1.expect('"node2",1,11')
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client1.expect(prompt)
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client1.send("INSERT INTO distributed_table VALUES ('node1', 1, 3), ('node1', 2, 3)")
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client1.expect(prompt)
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client2.send("INSERT INTO distributed_table VALUES ('node1', 3, 3)")
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client2.expect(prompt)
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time.sleep(2)
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client1.send(select_query)
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client1.expect('"node1",0,0')
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client1.expect('"node1",1,1')
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client1.expect('"node1",1,3')
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client1.expect('"node1",2,3')
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client1.expect('"node1",3,3')
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client1.expect('"node2",0,10')
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client1.expect('"node2",1,11')
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client1.expect(prompt)
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def test_distributed_over_live_view_order_by_key(self, started_cluster, node, source):
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log = sys.stdout
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node0, node1 = NODES.values()
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select_query = "SELECT * FROM distributed_over_lv ORDER BY key, node FORMAT CSV"
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with client(name="client1> ", log=log, command=" ".join(node0.client.command)) as client1, \
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client(name="client2> ", log=log, command=" ".join(node1.client.command)) as client2:
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client1.expect(prompt)
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client2.expect(prompt)
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client1.send("DROP TABLE IF EXISTS distributed_over_lv")
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client1.expect(prompt)
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client1.send("CREATE TABLE distributed_over_lv AS lv_over_base_table ENGINE = Distributed(test_cluster, default, lv_over_base_table)")
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client1.expect(prompt)
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client1.send(select_query)
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client1.expect('"node1",0,0')
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client1.expect('"node2",0,10')
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client1.expect('"node1",1,1')
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client1.expect('"node2",1,11')
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client1.expect(prompt)
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client1.send("INSERT INTO distributed_table VALUES ('node1', 1, 3), ('node1', 2, 3)")
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client1.expect(prompt)
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client2.send("INSERT INTO distributed_table VALUES ('node1', 3, 3)")
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client2.expect(prompt)
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time.sleep(2)
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client1.send(select_query)
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client1.expect('"node1",0,0')
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client1.expect('"node2",0,10')
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client1.expect('"node1",1,1')
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client1.expect('"node1",1,3')
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client1.expect('"node2",1,11')
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client1.expect('"node1",2,3')
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client1.expect('"node1",3,3')
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client1.expect(prompt)
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def test_distributed_over_live_view_group_by_node(self, started_cluster, node, source):
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log = sys.stdout
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node0, node1 = NODES.values()
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select_query = "SELECT node, SUM(value) FROM distributed_over_lv GROUP BY node ORDER BY node FORMAT CSV"
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with client(name="client1> ", log=log, command=" ".join(node0.client.command)) as client1, \
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client(name="client2> ", log=log, command=" ".join(node1.client.command)) as client2:
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client1.expect(prompt)
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client2.expect(prompt)
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client1.send("DROP TABLE IF EXISTS distributed_over_lv")
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client1.expect(prompt)
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client1.send("CREATE TABLE distributed_over_lv AS lv_over_base_table ENGINE = Distributed(test_cluster, default, lv_over_base_table)")
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client1.expect(prompt)
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client1.send(select_query)
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client1.expect('"node1",1')
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client1.expect('"node2",21')
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client1.expect(prompt)
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client2.send("INSERT INTO distributed_table VALUES ('node1', 2, 2)")
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client2.expect(prompt)
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time.sleep(2)
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client1.send(select_query)
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client1.expect('"node1",3')
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client1.expect('"node2",21')
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client1.expect(prompt)
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client1.send("INSERT INTO distributed_table VALUES ('node1', 1, 3), ('node1', 3, 3)")
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client1.expect(prompt)
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client2.send("INSERT INTO distributed_table VALUES ('node1', 3, 3)")
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client2.expect(prompt)
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time.sleep(2)
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client1.send(select_query)
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client1.expect('"node1",12')
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client1.expect('"node2",21')
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client1.expect(prompt)
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def test_distributed_over_live_view_group_by_key(self, started_cluster, node, source):
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log = sys.stdout
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node0, node1 = NODES.values()
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select_query = "SELECT key, SUM(value) FROM distributed_over_lv GROUP BY key ORDER BY key FORMAT CSV"
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with client(name="client1> ", log=log, command=" ".join(node0.client.command)) as client1, \
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client(name="client2> ", log=log, command=" ".join(node1.client.command)) as client2:
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client1.expect(prompt)
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client2.expect(prompt)
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client1.send("DROP TABLE IF EXISTS distributed_over_lv")
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client1.expect(prompt)
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client1.send("CREATE TABLE distributed_over_lv AS lv_over_base_table ENGINE = Distributed(test_cluster, default, lv_over_base_table)")
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client1.expect(prompt)
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client1.send(select_query)
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client1.expect('0,10')
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client1.expect('1,12')
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client1.expect(prompt)
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client2.send("INSERT INTO distributed_table VALUES ('node1', 2, 2)")
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client2.expect(prompt)
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time.sleep(2)
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client1.send(select_query)
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client1.expect('0,10')
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client1.expect('1,12')
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client1.expect('2,2')
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client1.expect(prompt)
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client2.send("INSERT INTO distributed_table VALUES ('node1', 1, 3), ('node1', 3, 3)")
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client2.expect(prompt)
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time.sleep(2)
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client1.send(select_query)
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client1.expect('0,10')
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client1.expect('1,15')
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client1.expect('2,2')
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client1.expect('3,3')
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client1.expect(prompt)
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def test_distributed_over_live_view_sum(self, started_cluster, node, source):
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log = sys.stdout
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node0, node1 = NODES.values()
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with client(name="client1> ", log=log, command=" ".join(node0.client.command)) as client1, \
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client(name="client2> ", log=log, command=" ".join(node1.client.command)) as client2:
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client1.expect(prompt)
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client2.expect(prompt)
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client1.send("DROP TABLE IF EXISTS distributed_over_lv")
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client1.expect(prompt)
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client1.send("CREATE TABLE distributed_over_lv AS lv_over_base_table ENGINE = Distributed(test_cluster, default, lv_over_base_table)")
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client1.expect(prompt)
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client1.send("SELECT sum(value) FROM distributed_over_lv")
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client1.expect(r"22" + end_of_block)
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client1.expect(prompt)
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client2.send("INSERT INTO distributed_table VALUES ('node1', 2, 2)")
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client2.expect(prompt)
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time.sleep(2)
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client1.send("SELECT sum(value) FROM distributed_over_lv")
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client1.expect(r"24" + end_of_block)
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client1.expect(prompt)
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client2.send("INSERT INTO distributed_table VALUES ('node1', 3, 3), ('node1', 4, 4)")
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client2.expect(prompt)
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time.sleep(2)
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client1.send("SELECT sum(value) FROM distributed_over_lv")
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client1.expect(r"31" + end_of_block)
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client1.expect(prompt)
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