# pylint: disable=global-statement # pylint: disable=line-too-long import pytest from helpers.cluster import ClickHouseCluster cluster = ClickHouseCluster(__file__) node = cluster.add_instance( "node", main_configs=["configs/disk_s3.xml"], with_minio=True, ) @pytest.fixture(scope="module", autouse=True) def start_cluster(): try: cluster.start() yield finally: cluster.shutdown() @pytest.mark.parametrize( "table_name,backup_name,storage_policy,min_bytes_for_wide_part", [ pytest.param( "compact", "backup_compact", "s3_backup_compact", int(1e9), id="compact" ), pytest.param("wide", "backup_wide", "s3_backup_wide", int(0), id="wide"), ], ) def test_attach_part(table_name, backup_name, storage_policy, min_bytes_for_wide_part): node.query( f""" -- Catch any errors (NOTE: warnings are ok) set send_logs_level='error'; -- BACKUP writes Ordinary like structure set allow_deprecated_database_ordinary=1; create database ordinary_db engine=Ordinary; create table ordinary_db.{table_name} engine=MergeTree() order by key partition by part as select number%5 part, number key from numbers(100); -- NOTE: name of backup ("backup") is significant. backup table ordinary_db.{table_name} TO Disk('backup_disk_s3_plain', '{backup_name}') settings deduplicate_files=0; drop table ordinary_db.{table_name}; attach table ordinary_db.{table_name} (part UInt8, key UInt64) engine=MergeTree() order by key partition by part settings min_bytes_for_wide_part={min_bytes_for_wide_part}, max_suspicious_broken_parts=0, storage_policy='{storage_policy}'; """ ) assert int(node.query(f"select count() from ordinary_db.{table_name}")) == 100 node.query( f""" -- NOTE: DROP DATABASE cannot be done w/o this due to metadata leftovers set force_remove_data_recursively_on_drop=1; drop database ordinary_db sync; """ )