mirror of
https://github.com/ClickHouse/ClickHouse.git
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231 lines
7.3 KiB
Python
231 lines
7.3 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance(
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"node1",
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with_zookeeper=False,
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image="yandex/clickhouse-server",
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tag="19.16.9.37",
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stay_alive=True,
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with_installed_binary=True,
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allow_analyzer=False,
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)
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node2 = cluster.add_instance(
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"node2",
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with_zookeeper=False,
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image="yandex/clickhouse-server",
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tag="19.16.9.37",
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stay_alive=True,
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with_installed_binary=True,
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allow_analyzer=False,
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)
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node3 = cluster.add_instance("node3", with_zookeeper=False, allow_analyzer=False)
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node4 = cluster.add_instance("node4", with_zookeeper=False, allow_analyzer=False)
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@pytest.fixture(scope="module")
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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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# We will test that serialization of internal state of "avg" function is compatible between different versions.
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# TODO Implement versioning of serialization format for aggregate function states.
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# NOTE This test is too ad-hoc.
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def test_backward_compatability_for_avg(start_cluster):
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node1.query("create table tab (x UInt64) engine = Memory")
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node2.query("create table tab (x UInt64) engine = Memory")
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node3.query("create table tab (x UInt64) engine = Memory")
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node4.query("create table tab (x UInt64) engine = Memory")
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node1.query("INSERT INTO tab VALUES (1)")
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node2.query("INSERT INTO tab VALUES (2)")
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node3.query("INSERT INTO tab VALUES (3)")
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node4.query("INSERT INTO tab VALUES (4)")
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assert (
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node1.query("SELECT avg(x) FROM remote('node{1..4}', default, tab)") == "2.5\n"
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)
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assert (
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node2.query("SELECT avg(x) FROM remote('node{1..4}', default, tab)") == "2.5\n"
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)
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assert (
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node3.query("SELECT avg(x) FROM remote('node{1..4}', default, tab)") == "2.5\n"
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)
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assert (
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node4.query("SELECT avg(x) FROM remote('node{1..4}', default, tab)") == "2.5\n"
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)
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# Also check with persisted aggregate function state
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node1.query("create table state (x AggregateFunction(avg, UInt64)) engine = Log")
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node1.query(
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"INSERT INTO state SELECT avgState(arrayJoin(CAST([1, 2, 3, 4] AS Array(UInt64))))"
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)
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assert node1.query("SELECT avgMerge(x) FROM state") == "2.5\n"
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node1.restart_with_latest_version(fix_metadata=True)
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assert node1.query("SELECT avgMerge(x) FROM state") == "2.5\n"
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node1.query("drop table tab")
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node1.query("drop table state")
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node2.query("drop table tab")
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node3.query("drop table tab")
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node4.query("drop table tab")
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@pytest.mark.parametrize("uniq_keys", [1000, 500000])
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def test_backward_compatability_for_uniq_exact(start_cluster, uniq_keys):
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node1.query(f"CREATE TABLE tab_{uniq_keys} (x UInt64) Engine = Memory")
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node2.query(f"CREATE TABLE tab_{uniq_keys} (x UInt64) Engine = Memory")
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node3.query(f"CREATE TABLE tab_{uniq_keys} (x UInt64) Engine = Memory")
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node4.query(f"CREATE TABLE tab_{uniq_keys} (x UInt64) Engine = Memory")
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node1.query(
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f"INSERT INTO tab_{uniq_keys} SELECT number FROM numbers_mt(0, {uniq_keys})"
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)
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node2.query(
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f"INSERT INTO tab_{uniq_keys} SELECT number FROM numbers_mt(1, {uniq_keys})"
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)
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node3.query(
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f"INSERT INTO tab_{uniq_keys} SELECT number FROM numbers_mt(2, {uniq_keys})"
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)
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node4.query(
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f"INSERT INTO tab_{uniq_keys} SELECT number FROM numbers_mt(3, {uniq_keys})"
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)
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assert (
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node1.query(
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f"SELECT uniqExact(x) FROM remote('node{{1..4}}', default, tab_{uniq_keys})"
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)
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== f"{uniq_keys + 3}\n"
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)
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assert (
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node2.query(
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f"SELECT uniqExact(x) FROM remote('node{{1..4}}', default, tab_{uniq_keys})"
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)
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== f"{uniq_keys + 3}\n"
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)
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assert (
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node3.query(
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f"SELECT uniqExact(x) FROM remote('node{{1..4}}', default, tab_{uniq_keys})"
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)
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== f"{uniq_keys + 3}\n"
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)
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assert (
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node4.query(
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f"SELECT uniqExact(x) FROM remote('node{{1..4}}', default, tab_{uniq_keys})"
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)
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== f"{uniq_keys + 3}\n"
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)
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# Also check with persisted aggregate function state
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node1.query(
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f"CREATE TABLE state_{uniq_keys} (x AggregateFunction(uniqExact, UInt64)) Engine = Log"
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)
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node1.query(
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f"INSERT INTO state_{uniq_keys} SELECT uniqExactState(number) FROM numbers_mt({uniq_keys})"
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)
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assert (
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node1.query(f"SELECT uniqExactMerge(x) FROM state_{uniq_keys}")
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== f"{uniq_keys}\n"
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)
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node1.restart_with_latest_version()
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assert (
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node1.query(f"SELECT uniqExactMerge(x) FROM state_{uniq_keys}")
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== f"{uniq_keys}\n"
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)
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node1.query(f"DROP TABLE state_{uniq_keys}")
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node1.query(f"DROP TABLE tab_{uniq_keys}")
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node2.query(f"DROP TABLE tab_{uniq_keys}")
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node3.query(f"DROP TABLE tab_{uniq_keys}")
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node4.query(f"DROP TABLE tab_{uniq_keys}")
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@pytest.mark.parametrize("uniq_keys", [1000, 500000])
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def test_backward_compatability_for_uniq_exact_variadic(start_cluster, uniq_keys):
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node1.query(f"CREATE TABLE tab_{uniq_keys} (x UInt64, y UInt64) Engine = Memory")
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node2.query(f"CREATE TABLE tab_{uniq_keys} (x UInt64, y UInt64) Engine = Memory")
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node3.query(f"CREATE TABLE tab_{uniq_keys} (x UInt64, y UInt64) Engine = Memory")
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node4.query(f"CREATE TABLE tab_{uniq_keys} (x UInt64, y UInt64) Engine = Memory")
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node1.query(
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f"INSERT INTO tab_{uniq_keys} SELECT number, number/2 FROM numbers_mt(0, {uniq_keys})"
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)
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node2.query(
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f"INSERT INTO tab_{uniq_keys} SELECT number, number/2 FROM numbers_mt(1, {uniq_keys})"
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)
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node3.query(
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f"INSERT INTO tab_{uniq_keys} SELECT number, number/2 FROM numbers_mt(2, {uniq_keys})"
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)
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node4.query(
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f"INSERT INTO tab_{uniq_keys} SELECT number, number/2 FROM numbers_mt(3, {uniq_keys})"
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)
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assert (
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node1.query(
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f"SELECT uniqExact(x, y) FROM remote('node{{1..4}}', default, tab_{uniq_keys})"
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)
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== f"{uniq_keys + 3}\n"
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)
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assert (
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node2.query(
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f"SELECT uniqExact(x, y) FROM remote('node{{1..4}}', default, tab_{uniq_keys})"
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)
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== f"{uniq_keys + 3}\n"
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)
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assert (
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node3.query(
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f"SELECT uniqExact(x, y) FROM remote('node{{1..4}}', default, tab_{uniq_keys})"
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)
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== f"{uniq_keys + 3}\n"
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)
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assert (
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node4.query(
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f"SELECT uniqExact(x, y) FROM remote('node{{1..4}}', default, tab_{uniq_keys})"
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)
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== f"{uniq_keys + 3}\n"
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)
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# Also check with persisted aggregate function state
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node1.query(
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f"CREATE TABLE state_{uniq_keys} (x AggregateFunction(uniqExact, UInt64, UInt64)) Engine = Log"
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)
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node1.query(
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f"INSERT INTO state_{uniq_keys} SELECT uniqExactState(number, intDiv(number,2)) FROM numbers_mt({uniq_keys})"
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)
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assert (
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node1.query(f"SELECT uniqExactMerge(x) FROM state_{uniq_keys}")
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== f"{uniq_keys}\n"
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)
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node1.restart_with_latest_version()
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assert (
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node1.query(f"SELECT uniqExactMerge(x) FROM state_{uniq_keys}")
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== f"{uniq_keys}\n"
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)
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node1.query(f"DROP TABLE state_{uniq_keys}")
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node1.query(f"DROP TABLE tab_{uniq_keys}")
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node2.query(f"DROP TABLE tab_{uniq_keys}")
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node3.query(f"DROP TABLE tab_{uniq_keys}")
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node4.query(f"DROP TABLE tab_{uniq_keys}")
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