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b0fbd79808
After the previous patch "x OR 1" will not execute "x", and because of this test_system_merges::test_mutation_simple started to fail since "sleep" function did not executed. Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
256 lines
7.7 KiB
Python
256 lines
7.7 KiB
Python
import threading
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import time
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import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import assert_eq_with_retry
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance(
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"node1",
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main_configs=["configs/logs_config.xml"],
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user_configs=["configs/user_overrides.xml"],
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with_zookeeper=True,
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macros={"shard": 0, "replica": 1},
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)
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node2 = cluster.add_instance(
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"node2",
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main_configs=["configs/logs_config.xml"],
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user_configs=["configs/user_overrides.xml"],
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with_zookeeper=True,
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macros={"shard": 0, "replica": 2},
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)
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settings = {
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"mutations_sync": 2,
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"replication_alter_partitions_sync": 2,
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"optimize_throw_if_noop": 1,
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}
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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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node1.query(
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"CREATE DATABASE test ENGINE=Ordinary",
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settings={"allow_deprecated_database_ordinary": 1},
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) # Different paths with Atomic
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node2.query(
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"CREATE DATABASE test ENGINE=Ordinary",
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settings={"allow_deprecated_database_ordinary": 1},
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)
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yield cluster
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finally:
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cluster.shutdown()
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def split_tsv(data):
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return [x.split("\t") for x in data.splitlines()]
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@pytest.mark.parametrize("replicated", ["", "replicated"])
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def test_merge_simple(started_cluster, replicated):
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clickhouse_path = "/var/lib/clickhouse"
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db_name = "test"
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table_name = "merge_simple"
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name = db_name + "." + table_name
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table_path = "data/" + db_name + "/" + table_name
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nodes = [node1, node2] if replicated else [node1]
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engine = (
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"ReplicatedMergeTree('/clickhouse/test_merge_simple', '{replica}')"
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if replicated
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else "MergeTree()"
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)
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node_check = nodes[-1]
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starting_block = 0 if replicated else 1
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try:
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for node in nodes:
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node.query(
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f"create table {name} (a Int64) engine={engine} order by tuple()"
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)
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node1.query(f"INSERT INTO {name} VALUES (1)")
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node1.query(f"INSERT INTO {name} VALUES (2)")
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node1.query(f"INSERT INTO {name} VALUES (3)")
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node1.query(
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f"alter table {name} add column b int materialized sleepEachRow(3)",
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settings=settings,
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)
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parts = [
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"all_{}_{}_0".format(x, x)
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for x in range(starting_block, starting_block + 3)
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]
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result_part = "all_{}_{}_1".format(starting_block, starting_block + 2)
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# OPTIMIZE will sleep for 3s * 3 (parts) = 9s
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def optimize():
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node1.query("OPTIMIZE TABLE {name}".format(name=name), settings=settings)
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t = threading.Thread(target=optimize)
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t.start()
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# Wait for OPTIMIZE to actually start
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assert_eq_with_retry(
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node_check,
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f"select count() from system.merges where table='{table_name}'",
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"1\n",
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retry_count=30,
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sleep_time=0.1,
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)
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assert (
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split_tsv(
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node_check.query(
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"""
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SELECT database, table, num_parts, source_part_names, source_part_paths, result_part_name, result_part_path, partition_id, is_mutation
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FROM system.merges
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WHERE table = '{name}'
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""".format(
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name=table_name
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)
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)
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)
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== [
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[
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db_name,
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table_name,
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"3",
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"['{}','{}','{}']".format(*parts),
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"['{clickhouse}/{table_path}/{}/','{clickhouse}/{table_path}/{}/','{clickhouse}/{table_path}/{}/']".format(
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*parts, clickhouse=clickhouse_path, table_path=table_path
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),
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result_part,
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"{clickhouse}/{table_path}/{}/".format(
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result_part, clickhouse=clickhouse_path, table_path=table_path
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),
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"all",
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"0",
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]
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]
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)
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t.join()
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# It still can show a row with progress=1, because OPTIMIZE returns before the entry is removed from MergeList
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assert (
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node_check.query(
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f"SELECT * FROM system.merges WHERE table = '{table_name}' and progress < 1"
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)
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== ""
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)
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# It will eventually disappear
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assert_eq_with_retry(
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node_check,
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f"SELECT * FROM system.merges WHERE table = '{table_name}' and progress < 1",
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"\n",
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)
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finally:
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for node in nodes:
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node.query("DROP TABLE {name}".format(name=name))
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@pytest.mark.parametrize("replicated", ["", "replicated"])
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def test_mutation_simple(started_cluster, replicated):
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clickhouse_path = "/var/lib/clickhouse"
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db_name = "test"
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table_name = "mutation_simple"
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name = db_name + "." + table_name
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table_path = "data/" + db_name + "/" + table_name
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nodes = [node1, node2] if replicated else [node1]
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engine = (
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"ReplicatedMergeTree('/clickhouse/test_mutation_simple', '{replica}')"
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if replicated
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else "MergeTree()"
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)
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node_check = nodes[-1]
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starting_block = 0 if replicated else 1
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try:
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for node in nodes:
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node.query(
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f"create table {name} (a Int64) engine={engine} order by tuple()"
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)
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node1.query(f"INSERT INTO {name} VALUES (1), (2), (3)")
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part = "all_{}_{}_0".format(starting_block, starting_block)
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result_part = "all_{}_{}_0_{}".format(
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starting_block, starting_block, starting_block + 1
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)
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# ALTER will sleep for 9s
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def alter():
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node1.query(
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f"ALTER TABLE {name} UPDATE a = 42 WHERE sleep(9) = 0",
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settings=settings,
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)
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t = threading.Thread(target=alter)
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t.start()
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# Wait for the mutation to actually start
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assert_eq_with_retry(
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node_check,
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f"select count() from system.merges where table='{table_name}'",
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"1\n",
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retry_count=30,
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sleep_time=0.1,
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)
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assert (
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split_tsv(
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node_check.query(
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"""
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SELECT database, table, num_parts, source_part_names, source_part_paths, result_part_name, result_part_path, partition_id, is_mutation
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FROM system.merges
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WHERE table = '{name}'
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""".format(
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name=table_name
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)
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)
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)
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== [
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[
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db_name,
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table_name,
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"1",
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"['{}']".format(part),
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"['{clickhouse}/{table_path}/{}/']".format(
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part, clickhouse=clickhouse_path, table_path=table_path
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),
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result_part,
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"{clickhouse}/{table_path}/{}/".format(
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result_part, clickhouse=clickhouse_path, table_path=table_path
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),
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"all",
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"1",
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],
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]
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)
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t.join()
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assert (
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node_check.query(
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f"SELECT * FROM system.merges WHERE table = '{table_name}' and progress < 1"
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)
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== ""
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)
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# It will eventually disappear
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assert_eq_with_retry(
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node_check,
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f"SELECT * FROM system.merges WHERE table = '{table_name}' and progress < 1",
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"\n",
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)
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finally:
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for node in nodes:
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node.query("DROP TABLE {name}".format(name=name))
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