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114 lines
3.6 KiB
Python
114 lines
3.6 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance(
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"replica1",
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with_zookeeper=True,
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main_configs=["configs/remote_servers.xml"],
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macros={"replica": "replica1"},
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stay_alive=True,
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)
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@pytest.fixture(scope="module", autouse=True)
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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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@pytest.mark.parametrize(
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"db_name,db_engine,table_engine,table_engine_params",
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[
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pytest.param(
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"test_db_atomic",
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"Atomic",
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"MergeTree",
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"ORDER BY n",
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id="Atomic db with MergeTree table",
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),
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pytest.param(
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"test_db_lazy",
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"Lazy(60)",
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"Log",
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"",
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id="Lazy db with Log table",
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),
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pytest.param(
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"test_db_repl",
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"Replicated('/clickhouse/tables/test_table','shard1', 'replica1')",
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"ReplicatedMergeTree",
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"ORDER BY n",
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id="Replicated db with ReplicatedMergeTree table",
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),
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],
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)
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def test_system_detached_tables(
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start_cluster, db_name, db_engine, table_engine, table_engine_params
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):
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node.query(f"CREATE DATABASE IF NOT EXISTS {db_name} ENGINE={db_engine};")
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node.query(
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f"CREATE TABLE {db_name}.test_table (n Int64) ENGINE={table_engine} {table_engine_params};"
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)
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node.query(
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f"CREATE TABLE {db_name}.test_table_perm (n Int64) ENGINE={table_engine} {table_engine_params};"
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)
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test_table_uuid = node.query(
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"SELECT uuid FROM system.tables WHERE table='test_table'"
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).rstrip("\n")
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test_table_metadata_path = node.query(
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"SELECT metadata_path FROM system.tables WHERE table='test_table'"
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).rstrip("\n")
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test_table_perm_uuid = node.query(
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"SELECT uuid FROM system.tables WHERE table='test_table_perm'"
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).rstrip("\n")
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test_table_perm_metadata_path = node.query(
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"SELECT metadata_path FROM system.tables WHERE table='test_table_perm'"
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).rstrip("\n")
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assert "" == node.query(
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f"SELECT * FROM system.detached_tables WHERE database='{db_name}'"
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)
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node.query(
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f"SET database_replicated_always_detach_permanently=1; DETACH TABLE {db_name}.test_table"
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)
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node.query(f"DETACH TABLE {db_name}.test_table_perm PERMANENTLY")
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querry = f"SELECT database, table, is_permanently, uuid, metadata_path FROM system.detached_tables WHERE database='{db_name}' FORMAT Values"
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result = node.query(querry)
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if db_engine.startswith("Repl"):
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expected_before_restart = f"('{db_name}','test_table',1,'{test_table_uuid}','{test_table_metadata_path}'),('{db_name}','test_table_perm',1,'{test_table_perm_uuid}','{test_table_perm_metadata_path}')"
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else:
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expected_before_restart = f"('{db_name}','test_table',0,'{test_table_uuid}','{test_table_metadata_path}'),('{db_name}','test_table_perm',1,'{test_table_perm_uuid}','{test_table_perm_metadata_path}')"
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assert result == expected_before_restart
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if db_engine.startswith("Lazy"):
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return
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node.restart_clickhouse()
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if db_engine.startswith("Repl"):
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expected_after_restart = expected_before_restart
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else:
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expected_after_restart = f"('{db_name}','test_table_perm',1,'{test_table_perm_uuid}','{test_table_perm_metadata_path}')"
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result = node.query(querry)
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assert result == expected_after_restart
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node.restart_clickhouse()
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result = node.query(querry)
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assert result == expected_after_restart
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node.query(f"DROP DATABASE {db_name}")
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