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58 lines
1.4 KiB
Python
58 lines
1.4 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("node", stay_alive=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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finally:
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cluster.shutdown()
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def replace_substring_to_substr(node):
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node.exec_in_container(
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[
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"bash",
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"-c",
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"sed -i 's/substring/substr/g' /var/lib/clickhouse/metadata/default/file.sql",
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],
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user="root",
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)
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def test_attach_substr(started_cluster):
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# Initialize
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node.query("DROP TABLE IF EXISTS default.file")
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node.query(
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"CREATE TABLE default.file(`s` String, `n` UInt8) ENGINE = MergeTree PARTITION BY substring(s, 1, 2) ORDER BY n "
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)
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# Detach table file
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node.query("DETACH TABLE file")
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# Replace substring to substr
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replace_substring_to_substr(node)
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# Attach table file
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node.query("ATTACH TABLE file")
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def test_attach_substr_restart(started_cluster):
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# Initialize
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node.query("DROP TABLE IF EXISTS default.file")
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node.query(
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"CREATE TABLE default.file(`s` String, `n` UInt8) ENGINE = MergeTree PARTITION BY substring(s, 1, 2) ORDER BY n "
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)
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# Replace substring to substr
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replace_substring_to_substr(node)
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# Restart clickhouse
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node.restart_clickhouse(kill=True)
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