mirror of
https://github.com/ClickHouse/ClickHouse.git
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56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
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import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1', with_zookeeper=True, image='yandex/clickhouse-server', tag='20.12.4.5', stay_alive=True, with_installed_binary=True)
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node2 = cluster.add_instance('node2', with_zookeeper=True, image='yandex/clickhouse-server', tag='20.12.4.5', stay_alive=True, with_installed_binary=True)
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@pytest.fixture(scope="module")
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def started_cluster():
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try:
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cluster.start()
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yield cluster
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except Exception as ex:
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print(ex)
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finally:
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cluster.shutdown()
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def test_replicated_merge_tree_defaults_compatibility(started_cluster):
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# This test checks, that result of parsing list of columns with defaults
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# from 'CREATE/ATTACH' is compatible with parsing from zookeeper metadata on different versions.
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# We create table and write 'columns' node in zookeeper with old version, than restart with new version
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# drop and try recreate one replica. During startup of table structure is checked between 'CREATE' query and zookeeper.
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create_query = '''
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CREATE TABLE test.table
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(
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a UInt32,
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b String DEFAULT If(a = 0, 'true', 'false'),
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c String DEFAULT Cast(a, 'String')
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)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/table', '{replica}')
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ORDER BY a
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'''
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for node in (node1, node2):
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node.query("CREATE DATABASE test ENGINE = Ordinary")
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node.query(create_query.format(replica=node.name))
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node1.query("DETACH TABLE test.table")
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node2.query("SYSTEM DROP REPLICA 'node1' FROM TABLE test.table")
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node1.exec_in_container(["bash", "-c", "rm /var/lib/clickhouse/metadata/test/table.sql"])
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node1.exec_in_container(["bash", "-c", "rm -r /var/lib/clickhouse/data/test/table"])
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zk = cluster.get_kazoo_client('zoo1')
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exists_replica_1 = zk.exists("/clickhouse/tables/test/table/replicas/node1")
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assert exists_replica_1 == None
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node1.restart_with_latest_version()
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node2.restart_with_latest_version()
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node1.query(create_query.format(replica=1))
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node1.query("EXISTS TABLE test.table") == "1\n"
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