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flaky testflaky test found by CIflaky test found by CI
Description
Example failure (from here):
> assert node_1.query_with_retry(
f"SELECT table FROM system.tables WHERE database='{exclusive_database_name}' ORDER BY table",
retry_count=10,
sleep_time=1,
check_callback=lambda tables: tables == exists_table_name,
)
E assert ''
E + where '' = <bound method ClickHouseInstance.query_with_retry of <helpers.cluster.ClickHouseInstance object at 0x7f2683624070>>("SELECT table FROM system.tables WHERE database='repl_db_test_query_after_restore_db_replica_alter_table_with_exists_table_with_restart__njwfjz' ORDER BY table", retry_count=10, sleep_time=1, check_callback=<function test_query_after_restore_db_replica.<locals>.<lambda> at 0x7f268188dc60>)
E + where <bound method ClickHouseInstance.query_with_retry of <helpers.cluster.ClickHouseInstance object at 0x7f2683624070>> = <helpers.cluster.ClickHouseInstance object at 0x7f2683624070>.query_with_retry
test_restore_db_replica/test.py:280: AssertionError
------------------------------ Captured log call -------------------------------
2025-08-14 12:05:38.474000 [ 698 ] DEBUG : Executing query
CREATE DATABASE repl_db_test_query_after_restore_db_replica_alter_table_with_exists_table_with_restart__njwfjz
ENGINE=Replicated("/clickhouse/repl_db_test_query_after_restore_db_replica_alter_table_with_exists_table_with_restart__njwfjz", '{shard}', '{replica}')
on node1 (cluster.py:4100, query)
2025-08-14 12:05:38.638000 [ 698 ] DEBUG : Executing query
CREATE DATABASE repl_db_test_query_after_restore_db_replica_alter_table_with_exists_table_with_restart__njwfjz
ENGINE=Replicated("/clickhouse/repl_db_test_query_after_restore_db_replica_alter_table_with_exists_table_with_restart__njwfjz", '{shard}', '{replica}')
on node2 (cluster.py:4100, query)
2025-08-14 12:05:38.803000 [ 698 ] DEBUG : Executing query
CREATE TABLE repl_db_test_query_after_restore_db_replica_alter_table_with_exists_table_with_restart__njwfjz.exists_table_zoywis (n UInt32)
ENGINE = ReplicatedMergeTree
ORDER BY n PARTITION BY n % 10
SETTINGS distributed_ddl_task_timeout=5;
on node1 (cluster.py:4100, query)
2025-08-14 12:05:39.068000 [ 698 ] DEBUG : Executing query
INSERT INTO repl_db_test_query_after_restore_db_replica_alter_table_with_exists_table_with_restart__njwfjz.exists_table_zoywis SELECT number FROM numbers(1000)
on node1 (cluster.py:4100, query)
2025-08-14 12:05:39.333000 [ 698 ] DEBUG : get_instance_ip instance_name=zoo1 (cluster.py:2241, get_instance_ip)
2025-08-14 12:05:39.335000 [ 698 ] DEBUG : http://localhost:None "GET /v1.46/containers/roottestrestoredbreplica-gw2-zoo1-1/json HTTP/11" 200 None (connectionpool.py:546, _make_request)
2025-08-14 12:05:39.335000 [ 698 ] DEBUG : get_kazoo_client: zoo1, ip:172.16.1.4, port:2181, use_ssl:False (cluster.py:3727, get_kazoo_client)
2025-08-14 12:05:39.336000 [ 698 ] INFO : Connecting to 172.16.1.4(172.16.1.4):2181, use_ssl: False (connection.py:650, _connect)
2025-08-14 12:05:39.337000 [ 698 ] DEBUG : Sending request(xid=None): Connect(protocol_version=0, last_zxid_seen=0, time_out=30000, session_id=0, passwd=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', read_only=None) (connection.py:312, _submit)
2025-08-14 12:05:39.339000 [ 698 ] INFO : Zookeeper connection established, state: CONNECTED (client.py:532, _session_callback)
2025-08-14 12:05:39.339000 [ 698 ] DEBUG : Sending request(xid=1): GetChildren(path='/clickhouse/repl_db_test_query_after_restore_db_replica_alter_table_with_exists_table_with_restart__njwfjz', watcher=None) (connection.py:312, _submit)
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