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109 lines
2.6 KiB
Python
109 lines
2.6 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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ch1 = cluster.add_instance(
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"ch1",
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main_configs=[
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"configs/config.d/clusters.xml",
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"configs/config.d/distributed_ddl.xml",
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],
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with_zookeeper=True,
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macros={"replica": "node1"},
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stay_alive=True,
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)
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database_name = "modify_engine_args"
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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 q(node, query):
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return node.query(database=database_name, sql=query)
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def create_tables():
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# Check one argument
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q(
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ch1,
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"CREATE TABLE replacing_ver ( A Int64, D Date, S String ) ENGINE = ReplacingMergeTree(D) PARTITION BY toYYYYMM(D) ORDER BY A",
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)
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# Check more than one argument
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q(
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ch1,
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"CREATE TABLE collapsing_ver ( ID UInt64, Sign Int8, Version UInt8 ) ENGINE = VersionedCollapsingMergeTree(Sign, Version) ORDER BY ID",
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)
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def check_tables():
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# Check tables exists
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assert (
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q(
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ch1,
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"SHOW TABLES",
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).strip()
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== "collapsing_ver\nreplacing_ver"
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)
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# Check engines
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assert (
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q(
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ch1,
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f"SELECT engine_full FROM system.tables WHERE database = '{database_name}' and name = 'replacing_ver'",
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)
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.strip()
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.startswith(
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"ReplicatedReplacingMergeTree(\\'/clickhouse/tables/{uuid}/{shard}\\', \\'{replica}\\', D)"
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)
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)
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assert (
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q(
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ch1,
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f"SELECT engine_full FROM system.tables WHERE database = '{database_name}' and name = 'collapsing_ver'",
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)
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.strip()
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.startswith(
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"ReplicatedVersionedCollapsingMergeTree(\\'/clickhouse/tables/{uuid}/{shard}\\', \\'{replica}\\', Sign, Version)"
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)
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)
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def set_convert_flags():
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# Set convert flag on actually convertable tables
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for table in ["replacing_ver", "collapsing_ver"]:
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ch1.exec_in_container(
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[
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"bash",
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"-c",
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f"mkdir /var/lib/clickhouse/data/{database_name}/{table}/flags",
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]
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)
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ch1.exec_in_container(
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[
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"bash",
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"-c",
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f"touch /var/lib/clickhouse/data/{database_name}/{table}/flags/convert_to_replicated",
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]
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)
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def test_modify_engine_on_restart_with_arguments(started_cluster):
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ch1.query("CREATE DATABASE " + database_name)
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create_tables()
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set_convert_flags()
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ch1.restart_clickhouse()
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check_tables()
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