mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-14 03:25:15 +00:00
63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
import time
|
|
|
|
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
node1 = cluster.add_instance(
|
|
"node1",
|
|
with_zookeeper=True,
|
|
main_configs=["configs/asynchronous_metrics_update_period_s.xml"],
|
|
)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
# Tests that the event_time_microseconds field in system.asynchronous_metric_log table gets populated.
|
|
# asynchronous metrics are updated once every 60s by default. To make the test run faster, the setting
|
|
# asynchronous_metric_update_period_s is being set to 2s so that the metrics are populated faster and
|
|
# are available for querying during the test.
|
|
def test_event_time_microseconds_field(started_cluster):
|
|
try:
|
|
cluster.start()
|
|
node1.query("SET log_queries = 1;")
|
|
node1.query("CREATE DATABASE replica;")
|
|
query_create = """CREATE TABLE replica.test
|
|
(
|
|
id Int64,
|
|
event_time DateTime
|
|
)
|
|
Engine=MergeTree()
|
|
PARTITION BY toYYYYMMDD(event_time)
|
|
ORDER BY id;"""
|
|
time.sleep(2)
|
|
node1.query(query_create)
|
|
node1.query("""INSERT INTO replica.test VALUES (1, now())""")
|
|
node1.query("SYSTEM FLUSH LOGS;")
|
|
# query assumes that the event_time field is accurate
|
|
equals_query = """WITH (
|
|
(
|
|
SELECT event_time_microseconds
|
|
FROM system.asynchronous_metric_log
|
|
ORDER BY event_time DESC
|
|
LIMIT 1
|
|
) AS time_with_microseconds,
|
|
(
|
|
SELECT event_time
|
|
FROM system.asynchronous_metric_log
|
|
ORDER BY event_time DESC
|
|
LIMIT 1
|
|
) AS time)
|
|
SELECT if(dateDiff('second', toDateTime(time_with_microseconds), toDateTime(time)) = 0, 'ok', 'fail')"""
|
|
assert "ok\n" in node1.query(equals_query)
|
|
finally:
|
|
cluster.shutdown()
|