ClickHouse/tests/integration/test_adaptive_granularity_different_settings/test.py

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2020-04-08 09:51:04 +00:00
import pytest
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance('node1', with_zookeeper=True)
node2 = cluster.add_instance('node2', with_zookeeper=True)
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_attach_detach(start_cluster):
node1.query("""
CREATE TABLE test (key UInt64)
ENGINE = ReplicatedMergeTree('/clickhouse/test', '1')
ORDER BY tuple()
SETTINGS index_granularity_bytes = 0""")
node1.query("INSERT INTO test VALUES (1), (2)")
node2.query("""
CREATE TABLE test (key UInt64)
ENGINE = ReplicatedMergeTree('/clickhouse/test', '2')
ORDER BY tuple()""")
node2.query("INSERT INTO test VALUES (3), (4)")
node1.query("SYSTEM SYNC REPLICA test")
node2.query("SYSTEM SYNC REPLICA test")
assert node1.query("SELECT COUNT() FROM test") == "4\n"
assert node2.query("SELECT COUNT() FROM test") == "4\n"
node1.query("DETACH TABLE test")
node2.query("DETACH TABLE test")
node1.query("ATTACH TABLE test")
node2.query("ATTACH TABLE test")
assert node1.query("SELECT COUNT() FROM test") == "4\n"
assert node2.query("SELECT COUNT() FROM test") == "4\n"