import pytest from helpers.cluster import ClickHouseCluster, CLICKHOUSE_CI_MIN_TESTED_VERSION cluster = ClickHouseCluster(__file__) node1 = cluster.add_instance( "node1", with_zookeeper=True, image="clickhouse/clickhouse-server", tag=CLICKHOUSE_CI_MIN_TESTED_VERSION, stay_alive=True, with_installed_binary=True, ) node2 = cluster.add_instance( "node2", main_configs=["configs/wide_parts_only.xml", "configs/no_compress_marks.xml"], with_zookeeper=True, use_old_analyzer=True, ) @pytest.fixture(scope="module") def start_cluster(): try: cluster.start() create_query = """CREATE TABLE t(date Date, id UInt32) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/t', '{}') PARTITION BY toYYYYMM(date) ORDER BY id""" node1.query(create_query.format(1)) node1.query("DETACH TABLE t") # stop being leader node2.query(create_query.format(2)) node1.query("ATTACH TABLE t") yield cluster finally: cluster.shutdown() def test_backward_compatability1(start_cluster): node2.query("INSERT INTO t VALUES (today(), 1)") node1.query("SYSTEM SYNC REPLICA t", timeout=10) assert node1.query("SELECT count() FROM t") == "1\n"