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44 lines
1.2 KiB
Python
44 lines
1.2 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(
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"node1",
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with_zookeeper=True,
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image="yandex/clickhouse-server",
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tag="19.17.8.54",
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stay_alive=True,
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with_installed_binary=True,
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)
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node2 = cluster.add_instance(
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"node2",
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main_configs=["configs/wide_parts_only.xml", "configs/no_compress_marks.xml"],
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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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create_query = """CREATE TABLE t(date Date, id UInt32)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/t', '{}')
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PARTITION BY toYYYYMM(date)
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ORDER BY id"""
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node1.query(create_query.format(1))
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node1.query("DETACH TABLE t") # stop being leader
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node2.query(create_query.format(2))
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node1.query("ATTACH TABLE t")
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yield cluster
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finally:
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cluster.shutdown()
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def test_backward_compatability1(start_cluster):
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node2.query("INSERT INTO t VALUES (today(), 1)")
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node1.query("SYSTEM SYNC REPLICA t", timeout=10)
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assert node1.query("SELECT count() FROM t") == "1\n"
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