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https://github.com/ClickHouse/ClickHouse.git
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reduce an amount of trash in tests_system_merges
This commit is contained in:
Alexander Tokmakov
parent
8b13b85ea0
commit
6f8c1424df
@ -3,6 +3,7 @@ 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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@ -20,6 +21,11 @@ node2 = cluster.add_instance(
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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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@ -45,38 +51,29 @@ def split_tsv(data):
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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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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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for node in nodes:
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node.query(
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"""
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CREATE TABLE {name}
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(
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`a` Int64
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)
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ENGINE = {engine}
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ORDER BY sleep(2)
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""".format(
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engine=engine, name=name
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)
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)
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node.query(f"create table {name} (a Int64) engine={engine} order by tuple()")
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node1.query("INSERT INTO {name} VALUES (1)".format(name=name))
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node1.query("INSERT INTO {name} VALUES (2)".format(name=name))
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node1.query("INSERT INTO {name} VALUES (3)".format(name=name))
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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(f"alter table {name} add column b int materialized sleepEachRow(3)", settings=settings)
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parts = [
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"all_{}_{}_0".format(x, x)
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@ -84,15 +81,16 @@ def test_merge_simple(started_cluster, replicated):
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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))
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node1.query("OPTIMIZE TABLE {name}".format(name=name), settings=settings)
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wait = threading.Thread(target=time.sleep, args=(5,))
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wait.start()
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t = threading.Thread(target=optimize)
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t.start()
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time.sleep(1)
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# Wait for OPTIMIZE to actually start
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assert_eq_with_retry(node1, f"select count() from system.merges where table='{table_name}'", "1\n", retry_count=30, sleep_time=0.1)
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assert (
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split_tsv(
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node_check.query(
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@ -124,17 +122,17 @@ def test_merge_simple(started_cluster, replicated):
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]
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)
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t.join()
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wait.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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"SELECT * FROM system.merges WHERE table = '{name}' and progress < 1".format(
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name=table_name
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)
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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(node_check, f"SELECT * FROM system.merges WHERE table = '{table_name}' and progress < 1", "\n")
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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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@ -142,55 +140,45 @@ def test_merge_simple(started_cluster, replicated):
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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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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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for node in nodes:
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node.query(
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"""
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CREATE TABLE {name}
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(
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`a` Int64
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)
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ENGINE = {engine}
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ORDER BY tuple()
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""".format(
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engine=engine, name=name
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)
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)
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node.query(f"create table {name} (a Int64) engine={engine} order by tuple()")
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node1.query(f"INSERT INTO {name} VALUES (1), (2), (3)")
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node1.query("INSERT INTO {name} VALUES (1)".format(name=name))
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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 3s * 3 (rows) = 9s
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def alter():
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node1.query(
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"ALTER TABLE {name} UPDATE a = 42 WHERE sleep(2) OR 1".format(
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name=name
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),
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settings={
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"mutations_sync": 1,
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},
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f"ALTER TABLE {name} UPDATE a = 42 WHERE sleep(3) OR 1",
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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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time.sleep(1)
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# Wait for the mutation to actually start
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assert_eq_with_retry(node1, f"select count() from system.merges where table='{table_name}'", "1\n", retry_count=30, sleep_time=0.1)
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assert (
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split_tsv(
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node_check.query(
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@ -225,13 +213,14 @@ def test_mutation_simple(started_cluster, replicated):
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assert (
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node_check.query(
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"SELECT * FROM system.merges WHERE table = '{name}' and progress < 1".format(
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name=table_name
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)
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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(node_check, f"SELECT * FROM system.merges WHERE table = '{table_name}' and progress < 1", "\n")
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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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