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) # no adaptive granularity by default node3 = cluster.add_instance('node3', image='yandex/clickhouse-server', tag='19.9.5.36', with_installed_binary=True, stay_alive=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() SETTINGS enable_mixed_granularity_parts = 0""") node2.query("INSERT INTO test VALUES (3), (4)") node1.query("SYSTEM SYNC REPLICA test", timeout=10) node2.query("SYSTEM SYNC REPLICA test", timeout=10) 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"