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74 lines
1.7 KiB
Python
74 lines
1.7 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance(
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"node",
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main_configs=["configs/config.xml"],
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stay_alive=True,
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with_zookeeper=True,
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)
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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_fix_metadata_version(start_cluster):
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zookeeper_path = "/clickhouse/test_fix_metadata_version"
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replica = "replica1"
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replica_path = f"{zookeeper_path}/replicas/{replica}"
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def get_metadata_versions():
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table_metadata_version = int(
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node.query(
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f"""
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SELECT version
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FROM system.zookeeper
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WHERE path = '{zookeeper_path}' AND name = 'metadata'
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"""
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).strip()
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)
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replica_metadata_version = int(
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node.query(
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f"""
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SELECT value
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FROM system.zookeeper
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WHERE path = '{replica_path}' AND name = 'metadata_version'
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"""
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).strip()
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)
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return table_metadata_version, replica_metadata_version
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node.query(
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f"""
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DROP TABLE IF EXISTS t SYNC;
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CREATE TABLE t
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(
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`x` UInt32
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)
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ENGINE = ReplicatedMergeTree('{zookeeper_path}', '{replica}')
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ORDER BY x
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"""
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)
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node.query("ALTER TABLE t (ADD COLUMN `y` UInt32)")
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assert get_metadata_versions() == (1, 1)
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cluster.query_zookeeper(f"set '{replica_path}/metadata_version' '0'")
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assert get_metadata_versions() == (1, 0)
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node.restart_clickhouse()
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assert get_metadata_versions() == (1, 1)
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