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481 lines
21 KiB
Python
481 lines
21 KiB
Python
import pytest
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import logging
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import TSV
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cluster = ClickHouseCluster(__file__)
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instance = cluster.add_instance("instance")
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q = instance.query
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path_to_data = "/var/lib/clickhouse/"
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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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q(
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"CREATE DATABASE test ENGINE = Ordinary",
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settings={"allow_deprecated_database_ordinary": 1},
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) # Different path in shadow/ with Atomic
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yield cluster
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finally:
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cluster.shutdown()
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@pytest.fixture
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def partition_table_simple(started_cluster):
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q("DROP TABLE IF EXISTS test.partition_simple")
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q(
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"CREATE TABLE test.partition_simple (date MATERIALIZED toDate(0), x UInt64, sample_key MATERIALIZED intHash64(x)) "
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"ENGINE=MergeTree PARTITION BY date SAMPLE BY sample_key ORDER BY (date,x,sample_key) "
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"SETTINGS index_granularity=8192, index_granularity_bytes=0"
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)
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q("INSERT INTO test.partition_simple ( x ) VALUES ( now() )")
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q("INSERT INTO test.partition_simple ( x ) VALUES ( now()+1 )")
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yield
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q("DROP TABLE test.partition_simple")
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def test_partition_simple(partition_table_simple):
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q("ALTER TABLE test.partition_simple DETACH PARTITION 197001")
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q("ALTER TABLE test.partition_simple ATTACH PARTITION 197001")
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q("OPTIMIZE TABLE test.partition_simple")
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def partition_complex_assert_columns_txt():
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path_to_parts = path_to_data + "data/test/partition_complex/"
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parts = TSV(
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q(
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"SELECT name FROM system.parts WHERE database='test' AND table='partition_complex'"
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)
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)
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assert len(parts) > 0
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for part_name in parts.lines:
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path_to_columns = path_to_parts + part_name + "/columns.txt"
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# 2 header lines + 3 columns
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assert (
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instance.exec_in_container(["wc", "-l", path_to_columns]).split()[0] == "5"
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)
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def partition_complex_assert_checksums():
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# Do not check increment.txt - it can be changed by other tests with FREEZE
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cmd = [
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"bash",
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"-c",
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f"cd {path_to_data} && find shadow -type f -exec"
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+ " md5sum {} \\; | grep partition_complex"
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" | sed 's shadow/[0-9]*/data/[a-z0-9_-]*/ shadow/1/data/test/ g' | sort | uniq",
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]
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checksums = (
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"082814b5aa5109160d5c0c5aff10d4df\tshadow/1/data/test/partition_complex/19700102_2_2_0/k.bin\n"
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"082814b5aa5109160d5c0c5aff10d4df\tshadow/1/data/test/partition_complex/19700201_1_1_0/v1.bin\n"
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"13cae8e658e0ca4f75c56b1fc424e150\tshadow/1/data/test/partition_complex/19700102_2_2_0/minmax_p.idx\n"
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"25daad3d9e60b45043a70c4ab7d3b1c6\tshadow/1/data/test/partition_complex/19700102_2_2_0/partition.dat\n"
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"3726312af62aec86b64a7708d5751787\tshadow/1/data/test/partition_complex/19700201_1_1_0/partition.dat\n"
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"37855b06a39b79a67ea4e86e4a3299aa\tshadow/1/data/test/partition_complex/19700102_2_2_0/checksums.txt\n"
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"38e62ff37e1e5064e9a3f605dfe09d13\tshadow/1/data/test/partition_complex/19700102_2_2_0/v1.bin\n"
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"4ae71336e44bf9bf79d2752e234818a5\tshadow/1/data/test/partition_complex/19700102_2_2_0/k.mrk\n"
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"4ae71336e44bf9bf79d2752e234818a5\tshadow/1/data/test/partition_complex/19700102_2_2_0/p.mrk\n"
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"4ae71336e44bf9bf79d2752e234818a5\tshadow/1/data/test/partition_complex/19700102_2_2_0/v1.mrk\n"
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"4ae71336e44bf9bf79d2752e234818a5\tshadow/1/data/test/partition_complex/19700201_1_1_0/k.mrk\n"
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"4ae71336e44bf9bf79d2752e234818a5\tshadow/1/data/test/partition_complex/19700201_1_1_0/p.mrk\n"
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"4ae71336e44bf9bf79d2752e234818a5\tshadow/1/data/test/partition_complex/19700201_1_1_0/v1.mrk\n"
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"55a54008ad1ba589aa210d2629c1df41\tshadow/1/data/test/partition_complex/19700201_1_1_0/primary.idx\n"
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"5f087cb3e7071bf9407e095821e2af8f\tshadow/1/data/test/partition_complex/19700201_1_1_0/checksums.txt\n"
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"77d5af402ada101574f4da114f242e02\tshadow/1/data/test/partition_complex/19700102_2_2_0/columns.txt\n"
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"77d5af402ada101574f4da114f242e02\tshadow/1/data/test/partition_complex/19700201_1_1_0/columns.txt\n"
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"88cdc31ded355e7572d68d8cde525d3a\tshadow/1/data/test/partition_complex/19700201_1_1_0/p.bin\n"
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"9e688c58a5487b8eaf69c9e1005ad0bf\tshadow/1/data/test/partition_complex/19700102_2_2_0/primary.idx\n"
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"c0904274faa8f3f06f35666cc9c5bd2f\tshadow/1/data/test/partition_complex/19700102_2_2_0/default_compression_codec.txt\n"
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"c0904274faa8f3f06f35666cc9c5bd2f\tshadow/1/data/test/partition_complex/19700201_1_1_0/default_compression_codec.txt\n"
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"c4ca4238a0b923820dcc509a6f75849b\tshadow/1/data/test/partition_complex/19700102_2_2_0/count.txt\n"
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"c4ca4238a0b923820dcc509a6f75849b\tshadow/1/data/test/partition_complex/19700201_1_1_0/count.txt\n"
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"cfcb770c3ecd0990dcceb1bde129e6c6\tshadow/1/data/test/partition_complex/19700102_2_2_0/p.bin\n"
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"e2af3bef1fd129aea73a890ede1e7a30\tshadow/1/data/test/partition_complex/19700201_1_1_0/k.bin\n"
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"f2312862cc01adf34a93151377be2ddf\tshadow/1/data/test/partition_complex/19700201_1_1_0/minmax_p.idx\n"
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)
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assert TSV(instance.exec_in_container(cmd).replace(" ", "\t")) == TSV(checksums)
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@pytest.fixture
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def partition_table_complex(started_cluster):
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q("DROP TABLE IF EXISTS test.partition_complex")
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q(
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"CREATE TABLE test.partition_complex (p Date, k Int8, v1 Int8 MATERIALIZED k + 1) "
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"ENGINE = MergeTree PARTITION BY p ORDER BY k SETTINGS index_granularity=1, index_granularity_bytes=0"
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)
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q("INSERT INTO test.partition_complex (p, k) VALUES(toDate(31), 1)")
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q("INSERT INTO test.partition_complex (p, k) VALUES(toDate(1), 2)")
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yield
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q("DROP TABLE test.partition_complex")
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def test_partition_complex(partition_table_complex):
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partition_complex_assert_columns_txt()
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q("ALTER TABLE test.partition_complex FREEZE")
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partition_complex_assert_checksums()
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q("ALTER TABLE test.partition_complex DETACH PARTITION 197001")
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q("ALTER TABLE test.partition_complex ATTACH PARTITION 197001")
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partition_complex_assert_columns_txt()
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q("ALTER TABLE test.partition_complex MODIFY COLUMN v1 Int8")
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# Check the backup hasn't changed
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partition_complex_assert_checksums()
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q("OPTIMIZE TABLE test.partition_complex")
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expected = TSV("31\t1\t2\n" "1\t2\t3")
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res = q("SELECT toUInt16(p), k, v1 FROM test.partition_complex ORDER BY k")
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assert TSV(res) == expected
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@pytest.fixture
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def cannot_attach_active_part_table(started_cluster):
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q("DROP TABLE IF EXISTS test.attach_active")
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q(
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"CREATE TABLE test.attach_active (n UInt64) ENGINE = MergeTree() PARTITION BY intDiv(n, 4) ORDER BY n"
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)
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q("INSERT INTO test.attach_active SELECT number FROM system.numbers LIMIT 16")
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yield
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q("DROP TABLE test.attach_active")
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def test_cannot_attach_active_part(cannot_attach_active_part_table):
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error = instance.client.query_and_get_error(
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"ALTER TABLE test.attach_active ATTACH PART '../1_2_2_0'"
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)
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print(error)
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assert 0 <= error.find("Invalid part name")
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res = q(
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"SElECT name FROM system.parts WHERE table='attach_active' AND database='test' ORDER BY name"
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)
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assert TSV(res) == TSV("0_1_1_0\n1_2_2_0\n2_3_3_0\n3_4_4_0")
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assert TSV(q("SElECT count(), sum(n) FROM test.attach_active")) == TSV("16\t120")
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@pytest.fixture
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def attach_check_all_parts_table(started_cluster):
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q("SYSTEM STOP MERGES")
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q("DROP TABLE IF EXISTS test.attach_partition")
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q(
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"CREATE TABLE test.attach_partition (n UInt64) ENGINE = MergeTree() PARTITION BY intDiv(n, 8) ORDER BY n"
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)
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q(
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"INSERT INTO test.attach_partition SELECT number FROM system.numbers WHERE number % 2 = 0 LIMIT 8"
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)
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q(
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"INSERT INTO test.attach_partition SELECT number FROM system.numbers WHERE number % 2 = 1 LIMIT 8"
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)
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yield
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q("DROP TABLE test.attach_partition")
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q("SYSTEM START MERGES")
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def test_attach_check_all_parts(attach_check_all_parts_table):
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q("ALTER TABLE test.attach_partition DETACH PARTITION 0")
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path_to_detached = path_to_data + "data/test/attach_partition/detached/"
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instance.exec_in_container(["mkdir", "{}".format(path_to_detached + "0_5_5_0")])
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instance.exec_in_container(
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[
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"cp",
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"-pr",
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path_to_detached + "0_1_1_0",
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path_to_detached + "attaching_0_6_6_0",
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]
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)
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instance.exec_in_container(
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[
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"cp",
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"-pr",
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path_to_detached + "0_3_3_0",
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path_to_detached + "deleting_0_7_7_0",
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]
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)
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error = instance.client.query_and_get_error(
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"ALTER TABLE test.attach_partition ATTACH PARTITION 0"
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)
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assert 0 <= error.find("No columns in part 0_5_5_0") or 0 <= error.find(
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"No columns.txt in part 0_5_5_0"
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)
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parts = q(
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"SElECT name FROM system.parts WHERE table='attach_partition' AND database='test' ORDER BY name"
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)
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assert TSV(parts) == TSV("1_2_2_0\n1_4_4_0")
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detached = q(
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"SELECT name FROM system.detached_parts "
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"WHERE table='attach_partition' AND database='test' ORDER BY name"
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)
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assert TSV(detached) == TSV(
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"0_1_1_0\n0_3_3_0\n0_5_5_0\nattaching_0_6_6_0\ndeleting_0_7_7_0"
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)
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instance.exec_in_container(["rm", "-r", path_to_detached + "0_5_5_0"])
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q("ALTER TABLE test.attach_partition ATTACH PARTITION 0")
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parts = q(
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"SElECT name FROM system.parts WHERE table='attach_partition' AND database='test' ORDER BY name"
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)
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expected = "0_5_5_0\n0_6_6_0\n1_2_2_0\n1_4_4_0"
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assert TSV(parts) == TSV(expected)
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assert TSV(q("SElECT count(), sum(n) FROM test.attach_partition")) == TSV("16\t120")
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detached = q(
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"SELECT name FROM system.detached_parts "
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"WHERE table='attach_partition' AND database='test' ORDER BY name"
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)
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assert TSV(detached) == TSV("attaching_0_6_6_0\ndeleting_0_7_7_0")
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@pytest.fixture
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def drop_detached_parts_table(started_cluster):
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q("SYSTEM STOP MERGES")
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q("DROP TABLE IF EXISTS test.drop_detached")
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q(
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"CREATE TABLE test.drop_detached (n UInt64) ENGINE = MergeTree() PARTITION BY intDiv(n, 8) ORDER BY n"
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)
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q(
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"INSERT INTO test.drop_detached SELECT number FROM system.numbers WHERE number % 2 = 0 LIMIT 8"
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)
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q(
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"INSERT INTO test.drop_detached SELECT number FROM system.numbers WHERE number % 2 = 1 LIMIT 8"
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)
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yield
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q("DROP TABLE test.drop_detached")
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q("SYSTEM START MERGES")
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def test_drop_detached_parts(drop_detached_parts_table):
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s = {"allow_drop_detached": 1}
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q("ALTER TABLE test.drop_detached DETACH PARTITION 0")
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q("ALTER TABLE test.drop_detached DETACH PARTITION 1")
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path_to_detached = path_to_data + "data/test/drop_detached/detached/"
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instance.exec_in_container(
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["mkdir", "{}".format(path_to_detached + "attaching_0_6_6_0")]
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)
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instance.exec_in_container(
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["mkdir", "{}".format(path_to_detached + "deleting_0_7_7_0")]
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)
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instance.exec_in_container(
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["mkdir", "{}".format(path_to_detached + "any_other_name")]
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)
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instance.exec_in_container(
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["mkdir", "{}".format(path_to_detached + "prefix_1_2_2_0_0")]
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)
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error = instance.client.query_and_get_error(
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"ALTER TABLE test.drop_detached DROP DETACHED PART '../1_2_2_0'", settings=s
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)
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assert 0 <= error.find("Invalid part name")
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q("ALTER TABLE test.drop_detached DROP DETACHED PART '0_1_1_0'", settings=s)
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error = instance.client.query_and_get_error(
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"ALTER TABLE test.drop_detached DROP DETACHED PART 'attaching_0_6_6_0'",
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settings=s,
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)
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assert 0 <= error.find("Cannot drop part")
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error = instance.client.query_and_get_error(
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"ALTER TABLE test.drop_detached DROP DETACHED PART 'deleting_0_7_7_0'",
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settings=s,
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)
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assert 0 <= error.find("Cannot drop part")
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q("ALTER TABLE test.drop_detached DROP DETACHED PART 'any_other_name'", settings=s)
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detached = q(
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"SElECT name FROM system.detached_parts WHERE table='drop_detached' AND database='test' ORDER BY name"
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)
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assert TSV(detached) == TSV(
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"0_3_3_0\n1_2_2_0\n1_4_4_0\nattaching_0_6_6_0\ndeleting_0_7_7_0\nprefix_1_2_2_0_0"
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)
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q("ALTER TABLE test.drop_detached DROP DETACHED PARTITION 1", settings=s)
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detached = q(
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"SElECT name FROM system.detached_parts WHERE table='drop_detached' AND database='test' ORDER BY name"
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)
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assert TSV(detached) == TSV("0_3_3_0\nattaching_0_6_6_0\ndeleting_0_7_7_0")
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def test_system_detached_parts(drop_detached_parts_table):
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q("create table sdp_0 (n int, x int) engine=MergeTree order by n")
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q("create table sdp_1 (n int, x int) engine=MergeTree order by n partition by x")
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q("create table sdp_2 (n int, x String) engine=MergeTree order by n partition by x")
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q(
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"create table sdp_3 (n int, x Enum('broken' = 0, 'all' = 1)) engine=MergeTree order by n partition by x"
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)
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for i in range(0, 4):
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q("system stop merges sdp_{}".format(i))
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q("insert into sdp_{} values (0, 0)".format(i))
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q("insert into sdp_{} values (1, 1)".format(i))
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for p in q(
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"select distinct partition_id from system.parts where table='sdp_{}'".format(
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i
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)
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)[:-1].split("\n"):
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q("alter table sdp_{} detach partition id '{}'".format(i, p))
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path_to_detached = path_to_data + "data/default/sdp_{}/detached/{}"
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for i in range(0, 4):
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instance.exec_in_container(
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["mkdir", path_to_detached.format(i, "attaching_0_6_6_0")]
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)
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instance.exec_in_container(
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["mkdir", path_to_detached.format(i, "deleting_0_7_7_0")]
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)
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instance.exec_in_container(
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["mkdir", path_to_detached.format(i, "any_other_name")]
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)
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instance.exec_in_container(
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["mkdir", path_to_detached.format(i, "prefix_1_2_2_0_0")]
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)
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instance.exec_in_container(
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["mkdir", path_to_detached.format(i, "ignored_202107_714380_714380_0")]
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)
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instance.exec_in_container(
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["mkdir", path_to_detached.format(i, "broken_202107_714380_714380_123")]
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)
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instance.exec_in_container(
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["mkdir", path_to_detached.format(i, "clone_all_714380_714380_42")]
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)
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instance.exec_in_container(
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["mkdir", path_to_detached.format(i, "clone_all_714380_714380_42_123")]
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)
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instance.exec_in_container(
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[
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"mkdir",
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path_to_detached.format(
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i,
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"broken-on-start_6711e2b2592d86d18fc0f260cf33ef2b_714380_714380_42_123",
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),
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]
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)
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res = q(
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"select system.detached_parts.* except (bytes_on_disk, `path`) from system.detached_parts where table like 'sdp_%' order by table, name"
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)
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assert (
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res == "default\tsdp_0\tall\tall_1_1_0\tdefault\t\t1\t1\t0\n"
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"default\tsdp_0\tall\tall_2_2_0\tdefault\t\t2\t2\t0\n"
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"default\tsdp_0\t\\N\tany_other_name\tdefault\t\\N\t\\N\t\\N\t\\N\n"
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"default\tsdp_0\t0\tattaching_0_6_6_0\tdefault\tattaching\t6\t6\t0\n"
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"default\tsdp_0\t6711e2b2592d86d18fc0f260cf33ef2b\tbroken-on-start_6711e2b2592d86d18fc0f260cf33ef2b_714380_714380_42_123\tdefault\tbroken-on-start\t714380\t714380\t42\n"
|
|
"default\tsdp_0\t202107\tbroken_202107_714380_714380_123\tdefault\tbroken\t714380\t714380\t123\n"
|
|
"default\tsdp_0\tall\tclone_all_714380_714380_42\tdefault\tclone\t714380\t714380\t42\n"
|
|
"default\tsdp_0\tall\tclone_all_714380_714380_42_123\tdefault\tclone\t714380\t714380\t42\n"
|
|
"default\tsdp_0\t0\tdeleting_0_7_7_0\tdefault\tdeleting\t7\t7\t0\n"
|
|
"default\tsdp_0\t202107\tignored_202107_714380_714380_0\tdefault\tignored\t714380\t714380\t0\n"
|
|
"default\tsdp_0\t1\tprefix_1_2_2_0_0\tdefault\tprefix\t2\t2\t0\n"
|
|
"default\tsdp_1\t0\t0_1_1_0\tdefault\t\t1\t1\t0\n"
|
|
"default\tsdp_1\t1\t1_2_2_0\tdefault\t\t2\t2\t0\n"
|
|
"default\tsdp_1\t\\N\tany_other_name\tdefault\t\\N\t\\N\t\\N\t\\N\n"
|
|
"default\tsdp_1\t0\tattaching_0_6_6_0\tdefault\tattaching\t6\t6\t0\n"
|
|
"default\tsdp_1\t6711e2b2592d86d18fc0f260cf33ef2b\tbroken-on-start_6711e2b2592d86d18fc0f260cf33ef2b_714380_714380_42_123\tdefault\tbroken-on-start\t714380\t714380\t42\n"
|
|
"default\tsdp_1\t202107\tbroken_202107_714380_714380_123\tdefault\tbroken\t714380\t714380\t123\n"
|
|
"default\tsdp_1\tall\tclone_all_714380_714380_42\tdefault\tclone\t714380\t714380\t42\n"
|
|
"default\tsdp_1\tall\tclone_all_714380_714380_42_123\tdefault\tclone\t714380\t714380\t42\n"
|
|
"default\tsdp_1\t0\tdeleting_0_7_7_0\tdefault\tdeleting\t7\t7\t0\n"
|
|
"default\tsdp_1\t202107\tignored_202107_714380_714380_0\tdefault\tignored\t714380\t714380\t0\n"
|
|
"default\tsdp_1\t1\tprefix_1_2_2_0_0\tdefault\tprefix\t2\t2\t0\n"
|
|
"default\tsdp_2\t58ed7160db50ea45e1c6aa694c8cbfd1\t58ed7160db50ea45e1c6aa694c8cbfd1_1_1_0\tdefault\t\t1\t1\t0\n"
|
|
"default\tsdp_2\t6711e2b2592d86d18fc0f260cf33ef2b\t6711e2b2592d86d18fc0f260cf33ef2b_2_2_0\tdefault\t\t2\t2\t0\n"
|
|
"default\tsdp_2\t\\N\tany_other_name\tdefault\t\\N\t\\N\t\\N\t\\N\n"
|
|
"default\tsdp_2\t0\tattaching_0_6_6_0\tdefault\tattaching\t6\t6\t0\n"
|
|
"default\tsdp_2\t6711e2b2592d86d18fc0f260cf33ef2b\tbroken-on-start_6711e2b2592d86d18fc0f260cf33ef2b_714380_714380_42_123\tdefault\tbroken-on-start\t714380\t714380\t42\n"
|
|
"default\tsdp_2\t202107\tbroken_202107_714380_714380_123\tdefault\tbroken\t714380\t714380\t123\n"
|
|
"default\tsdp_2\tall\tclone_all_714380_714380_42\tdefault\tclone\t714380\t714380\t42\n"
|
|
"default\tsdp_2\tall\tclone_all_714380_714380_42_123\tdefault\tclone\t714380\t714380\t42\n"
|
|
"default\tsdp_2\t0\tdeleting_0_7_7_0\tdefault\tdeleting\t7\t7\t0\n"
|
|
"default\tsdp_2\t202107\tignored_202107_714380_714380_0\tdefault\tignored\t714380\t714380\t0\n"
|
|
"default\tsdp_2\t1\tprefix_1_2_2_0_0\tdefault\tprefix\t2\t2\t0\n"
|
|
"default\tsdp_3\t0\t0_1_1_0\tdefault\t\t1\t1\t0\n"
|
|
"default\tsdp_3\t1\t1_2_2_0\tdefault\t\t2\t2\t0\n"
|
|
"default\tsdp_3\t\\N\tany_other_name\tdefault\t\\N\t\\N\t\\N\t\\N\n"
|
|
"default\tsdp_3\t0\tattaching_0_6_6_0\tdefault\tattaching\t6\t6\t0\n"
|
|
"default\tsdp_3\t6711e2b2592d86d18fc0f260cf33ef2b\tbroken-on-start_6711e2b2592d86d18fc0f260cf33ef2b_714380_714380_42_123\tdefault\tbroken-on-start\t714380\t714380\t42\n"
|
|
"default\tsdp_3\t202107\tbroken_202107_714380_714380_123\tdefault\tbroken\t714380\t714380\t123\n"
|
|
"default\tsdp_3\tall\tclone_all_714380_714380_42\tdefault\tclone\t714380\t714380\t42\n"
|
|
"default\tsdp_3\tall\tclone_all_714380_714380_42_123\tdefault\tclone\t714380\t714380\t42\n"
|
|
"default\tsdp_3\t0\tdeleting_0_7_7_0\tdefault\tdeleting\t7\t7\t0\n"
|
|
"default\tsdp_3\t202107\tignored_202107_714380_714380_0\tdefault\tignored\t714380\t714380\t0\n"
|
|
"default\tsdp_3\t1\tprefix_1_2_2_0_0\tdefault\tprefix\t2\t2\t0\n"
|
|
)
|
|
|
|
for i in range(0, 4):
|
|
for p in q(
|
|
"select distinct partition_id from system.detached_parts where table='sdp_{}' and partition_id is not null".format(
|
|
i
|
|
)
|
|
)[:-1].split("\n"):
|
|
q("alter table sdp_{} attach partition id '{}'".format(i, p))
|
|
|
|
assert (
|
|
q("select n, x, count() from merge('default', 'sdp_') group by n, x")
|
|
== "0\t0\t4\n1\t1\t4\n"
|
|
)
|
|
|
|
|
|
def test_detached_part_dir_exists(started_cluster):
|
|
q("create table detached_part_dir_exists (n int) engine=MergeTree order by n")
|
|
q("insert into detached_part_dir_exists select 1") # will create all_1_1_0
|
|
q(
|
|
"alter table detached_part_dir_exists detach partition id 'all'"
|
|
) # will move all_1_1_0 to detached/all_1_1_0
|
|
q("detach table detached_part_dir_exists")
|
|
q("attach table detached_part_dir_exists")
|
|
q("insert into detached_part_dir_exists select 1") # will create all_1_1_0
|
|
q("insert into detached_part_dir_exists select 1") # will create all_2_2_0
|
|
instance.exec_in_container(
|
|
[
|
|
"bash",
|
|
"-c",
|
|
"mkdir /var/lib/clickhouse/data/default/detached_part_dir_exists/detached/all_2_2_0",
|
|
],
|
|
privileged=True,
|
|
)
|
|
instance.exec_in_container(
|
|
[
|
|
"bash",
|
|
"-c",
|
|
"touch /var/lib/clickhouse/data/default/detached_part_dir_exists/detached/all_2_2_0/file",
|
|
],
|
|
privileged=True,
|
|
)
|
|
q(
|
|
"alter table detached_part_dir_exists detach partition id 'all'"
|
|
) # directories already exist, but it's ok
|
|
assert (
|
|
q(
|
|
"select name from system.detached_parts where table='detached_part_dir_exists' order by name"
|
|
)
|
|
== "all_1_1_0\nall_1_1_0_try1\nall_2_2_0\nall_2_2_0_try1\n"
|
|
)
|
|
q("drop table detached_part_dir_exists")
|