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https://github.com/ClickHouse/ClickHouse.git
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57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
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import time
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import pytest
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from helpers.cluster import ClickHouseCluster
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def fill_nodes(nodes, shard):
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for node in nodes:
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node.query(
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"""
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CREATE DATABASE test;
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CREATE TABLE test.test_table(date Date, id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/{shard}/replicated/test_table', '{replica}') ORDER BY id PARTITION BY toYYYYMM(date);
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""".format(
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shard=shard, replica=node.name
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)
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)
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance(
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"node1", with_zookeeper=True, main_configs=["configs/replicated_servers.xml"]
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)
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node2 = cluster.add_instance(
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"node2", with_zookeeper=True, main_configs=["configs/replicated_servers.xml"]
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)
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node3 = cluster.add_instance(
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"node3", with_zookeeper=True, main_configs=["configs/replicated_servers.xml"]
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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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fill_nodes([node1, node2, node3], 1)
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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_truncate_database_replicated(start_cluster):
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node1.query(
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"INSERT INTO test.test_table SELECT number, toString(number) FROM numbers(100)"
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)
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assert node2.query("SELECT id FROM test.test_table LIMIT 1") == "0\n"
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assert node3.query("SHOW DATABASES LIKE 'test'") == "test\n"
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node3.query("TRUNCATE DATABASE test ON CLUSTER test_cluster SYNC")
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assert node2.query("SHOW TABLES FROM test") == ""
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