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55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
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)
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@pytest.fixture(scope="module")
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def start_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def test_table_start_without_metadata(start_cluster):
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node1.query("""
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CREATE TABLE test (date Date)
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ENGINE = ReplicatedMergeTree('/clickhouse/table/test_table', '1')
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ORDER BY tuple()
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""")
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node1.query("INSERT INTO test VALUES(toDate('2019-12-01'))")
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assert node1.query("SELECT date FROM test") == "2019-12-01\n"
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# some fake alter
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node1.query("ALTER TABLE test MODIFY COLUMN date Date DEFAULT toDate('2019-10-01')")
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assert node1.query("SELECT date FROM test") == "2019-12-01\n"
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node1.query("DETACH TABLE test")
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zk_cli = cluster.get_kazoo_client('zoo1')
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# simulate update from old version
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zk_cli.delete("/clickhouse/table/test_table/replicas/1/metadata")
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zk_cli.delete("/clickhouse/table/test_table/replicas/1/metadata_version")
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node1.query("ATTACH TABLE test")
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assert node1.query("SELECT date FROM test") == "2019-12-01\n"
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node1.query("ALTER TABLE test MODIFY COLUMN date Date DEFAULT toDate('2019-09-01')")
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node1.query("DETACH TABLE test")
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zk_cli.set("/clickhouse/table/test_table/replicas/1/metadata", b"")
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node1.query("ATTACH TABLE test")
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assert node1.query("SELECT date FROM test") == "2019-12-01\n"
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