mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-01 03:52:15 +00:00
222 lines
8.1 KiB
Python
222 lines
8.1 KiB
Python
import os
|
|
import re
|
|
import shutil
|
|
import threading
|
|
import time
|
|
from random import randint
|
|
|
|
import pytest
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.network import PartitionManager
|
|
from helpers.test_tools import assert_eq_with_retry, assert_logs_contain
|
|
|
|
test_recover_staled_replica_run = 1
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
|
|
node1 = cluster.add_instance(
|
|
"node1",
|
|
main_configs=["configs/config.xml"],
|
|
user_configs=["configs/users.xml"],
|
|
with_zookeeper=True,
|
|
macros={"shard": "shard1", "replica": "1"},
|
|
stay_alive=True,
|
|
)
|
|
node2 = cluster.add_instance(
|
|
"node2",
|
|
main_configs=["configs/config.xml"],
|
|
user_configs=["configs/users.xml"],
|
|
with_zookeeper=True,
|
|
macros={"shard": "shard1", "replica": "2"},
|
|
)
|
|
nodes = [node1, node2]
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def test_refreshable_mv_in_replicated_db(started_cluster):
|
|
for node in nodes:
|
|
node.query(
|
|
"create database re engine = Replicated('/test/re', 'shard1', '{replica}');"
|
|
)
|
|
|
|
# Table engine check.
|
|
assert "BAD_ARGUMENTS" in node1.query_and_get_error(
|
|
"create materialized view re.a refresh every 1 second (x Int64) engine Memory as select 1 as x"
|
|
)
|
|
|
|
# Basic refreshing.
|
|
node1.query(
|
|
"create materialized view re.a refresh every 1 second (x Int64) engine ReplicatedMergeTree order by x as select number*10 as x from numbers(2)"
|
|
)
|
|
node1.query("system sync database replica re")
|
|
for node in nodes:
|
|
node.query("system wait view re.a")
|
|
assert node.query("select * from re.a order by all") == "0\n10\n"
|
|
assert (
|
|
node.query(
|
|
"select database, view, last_success_time != 0, last_refresh_time != 0, last_refresh_replica in ('1','2'), exception from system.view_refreshes"
|
|
)
|
|
== "re\ta\t1\t1\t1\t\n"
|
|
)
|
|
|
|
# Append mode, with and without coordination.
|
|
for coordinated in [True, False]:
|
|
name = "append" if coordinated else "append_uncoordinated"
|
|
refresh_settings = "" if coordinated else " settings all_replicas = 1"
|
|
node2.query(
|
|
f"create materialized view re.{name} refresh every 1 year{refresh_settings} append (x Int64) engine ReplicatedMergeTree order by x as select rand() as x"
|
|
)
|
|
# Stop the clocks.
|
|
for node in nodes:
|
|
node.query(
|
|
f"system test view re.{name} set fake time '2040-01-01 00:00:01'"
|
|
)
|
|
# Wait for quiescence.
|
|
for node in nodes:
|
|
# Wait twice to make sure we wait for a refresh that started after we adjusted the clock.
|
|
# Otherwise another refresh may start right after (because clock moved far forward).
|
|
node.query(
|
|
f"system wait view re.{name}; system refresh view re.{name}; system wait view re.{name};"
|
|
)
|
|
rows_before = int(nodes[randint(0, 1)].query(f"select count() from re.{name}"))
|
|
# Advance the clocks.
|
|
for node in nodes:
|
|
node.query(
|
|
f"system test view re.{name} set fake time '2041-01-01 00:00:01'"
|
|
)
|
|
# Wait for refresh.
|
|
for node in nodes:
|
|
assert_eq_with_retry(
|
|
node,
|
|
f"select status, last_success_time from system.view_refreshes where view = '{name}'",
|
|
"Scheduled\t2041-01-01 00:00:01",
|
|
)
|
|
node.query(f"system wait view re.{name}")
|
|
# Check results.
|
|
node = nodes[randint(0, 1)]
|
|
node.query(f"system sync replica re.{name}")
|
|
rows_after = int(node.query(f"select count() from re.{name}"))
|
|
expected = 1 if coordinated else 2
|
|
assert rows_after - rows_before == expected
|
|
|
|
# Uncoordinated append to unreplicated table.
|
|
node1.query(
|
|
"create materialized view re.unreplicated_uncoordinated refresh every 1 second settings all_replicas = 1 append (x String) engine Memory as select 1 as x"
|
|
)
|
|
node2.query("system sync database replica re")
|
|
for node in nodes:
|
|
node.query("system wait view re.unreplicated_uncoordinated")
|
|
assert (
|
|
node.query("select distinct x from re.unreplicated_uncoordinated") == "1\n"
|
|
)
|
|
|
|
# Rename.
|
|
node2.query(
|
|
"create materialized view re.c refresh every 1 year (x Int64) engine ReplicatedMergeTree order by x empty as select rand() as x"
|
|
)
|
|
node1.query("system sync database replica re")
|
|
node1.query("rename table re.c to re.d")
|
|
node1.query(
|
|
"alter table re.d modify query select number + sleepEachRow(1) as x from numbers(5) settings max_block_size = 1"
|
|
)
|
|
# Rename while refreshing.
|
|
node1.query("system refresh view re.d")
|
|
assert_eq_with_retry(
|
|
node2,
|
|
"select status from system.view_refreshes where view = 'd'",
|
|
"RunningOnAnotherReplica",
|
|
)
|
|
node2.query("rename table re.d to re.e")
|
|
node1.query("system wait view re.e")
|
|
assert node1.query("select * from re.e order by x") == "0\n1\n2\n3\n4\n"
|
|
|
|
# A view that will be stuck refreshing until dropped.
|
|
node1.query(
|
|
"create materialized view re.f refresh every 1 second (x Int64) engine ReplicatedMergeTree order by x as select sleepEachRow(1) as x from numbers(1000000) settings max_block_size = 1"
|
|
)
|
|
assert_eq_with_retry(
|
|
node2,
|
|
"select status in ('Running', 'RunningOnAnotherReplica') from system.view_refreshes where view = 'f'",
|
|
"1",
|
|
)
|
|
|
|
# Locate coordination znodes.
|
|
znode_exists = (
|
|
lambda uuid: nodes[randint(0, 1)].query(
|
|
f"select count() from system.zookeeper where path = '/clickhouse/tables/{uuid}' and name = 'shard1'"
|
|
)
|
|
== "1\n"
|
|
)
|
|
tables = []
|
|
for row in node1.query(
|
|
"select table, uuid from system.tables where database = 're'"
|
|
).split("\n")[:-1]:
|
|
name, uuid = row.split("\t")
|
|
print(f"found table {name} {uuid}")
|
|
if name.startswith(".") or name.startswith("_tmp_replace_"):
|
|
continue
|
|
coordinated = not name.endswith("uncoordinated")
|
|
tables.append((name, uuid, coordinated))
|
|
assert coordinated == znode_exists(uuid)
|
|
assert sorted([name for (name, _, _) in tables]) == [
|
|
"a",
|
|
"append",
|
|
"append_uncoordinated",
|
|
"e",
|
|
"f",
|
|
"unreplicated_uncoordinated",
|
|
]
|
|
|
|
# Drop all tables and check that coordination znodes were deleted.
|
|
for name, uuid, coordinated in tables:
|
|
maybe_sync = " sync" if randint(0, 1) == 0 else ""
|
|
nodes[randint(0, 1)].query(f"drop table re.{name}{maybe_sync}")
|
|
# TODO: After https://github.com/ClickHouse/ClickHouse/issues/61065 is done (for MVs, not ReplicatedMergeTree), check the parent znode instead.
|
|
assert not znode_exists(uuid)
|
|
|
|
# A little stress test dropping MV while it's refreshing, hoping to hit various cases where the
|
|
# drop happens while creating/exchanging/dropping the inner table.
|
|
for i in range(20):
|
|
maybe_empty = " empty" if randint(0, 2) == 0 else ""
|
|
nodes[randint(0, 1)].query(
|
|
f"create materialized view re.g refresh every 1 second (x Int64) engine ReplicatedMergeTree order by x{maybe_empty} as select 1 as x"
|
|
)
|
|
r = randint(0, 5)
|
|
if r == 0:
|
|
pass
|
|
elif r == 1:
|
|
time.sleep(randint(0, 100) / 1000)
|
|
else:
|
|
time.sleep(randint(900, 1100) / 1000)
|
|
nodes[randint(0, 1)].query("drop table re.g")
|
|
|
|
# Check that inner and temp tables were dropped.
|
|
for node in nodes:
|
|
assert node.query("show tables from re") == ""
|
|
|
|
node1.query("drop database re sync")
|
|
node2.query("drop database re sync")
|
|
|
|
|
|
def test_refreshable_mv_in_system_db(started_cluster):
|
|
node1.query(
|
|
"create materialized view system.a refresh every 1 second (x Int64) engine Memory as select number+1 as x from numbers(2);"
|
|
"system refresh view system.a;"
|
|
)
|
|
|
|
node1.restart_clickhouse()
|
|
node1.query("system refresh view system.a")
|
|
assert node1.query("select count(), sum(x) from system.a") == "2\t3\n"
|
|
|
|
node1.query("drop table system.a")
|