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141 lines
7.9 KiB
Python
141 lines
7.9 KiB
Python
import random
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import string
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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('node1', main_configs=['configs/zstd_compression_by_default.xml'],
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user_configs=['configs/allow_suspicious_codecs.xml'])
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node2 = cluster.add_instance('node2', main_configs=['configs/lz4hc_compression_by_default.xml'],
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user_configs=['configs/allow_suspicious_codecs.xml'])
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node3 = cluster.add_instance('node3', main_configs=['configs/custom_compression_by_default.xml'],
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user_configs=['configs/allow_suspicious_codecs.xml'])
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node4 = cluster.add_instance('node4', user_configs=['configs/enable_uncompressed_cache.xml',
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'configs/allow_suspicious_codecs.xml'])
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node5 = cluster.add_instance('node5', main_configs=['configs/zstd_compression_by_default.xml'],
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user_configs=['configs/enable_uncompressed_cache.xml',
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'configs/allow_suspicious_codecs.xml'])
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node6 = cluster.add_instance('node6', main_configs=['configs/allow_experimental_codecs.xml'],
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user_configs=['configs/allow_suspicious_codecs.xml'])
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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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def test_preconfigured_default_codec(start_cluster):
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for node in [node1, node2]:
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node.query("""
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CREATE TABLE compression_codec_multiple_with_key (
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somedate Date CODEC(ZSTD, ZSTD, ZSTD(12), LZ4HC(12)),
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id UInt64 CODEC(LZ4, ZSTD, NONE, LZ4HC),
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data String CODEC(ZSTD(2), LZ4HC, NONE, LZ4, LZ4),
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somecolumn Float64
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) ENGINE = MergeTree() PARTITION BY somedate ORDER BY id SETTINGS index_granularity = 2;
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""")
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node.query(
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"INSERT INTO compression_codec_multiple_with_key VALUES(toDate('2018-10-12'), 100000, 'hello', 88.88), (toDate('2018-10-12'), 100002, 'world', 99.99), (toDate('2018-10-12'), 1111, '!', 777.777)")
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assert node.query("SELECT COUNT(*) FROM compression_codec_multiple_with_key WHERE id % 2 == 0") == "2\n"
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assert node.query(
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"SELECT DISTINCT somecolumn FROM compression_codec_multiple_with_key ORDER BY id") == "777.777\n88.88\n99.99\n"
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assert node.query(
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"SELECT data FROM compression_codec_multiple_with_key WHERE id >= 1112 AND somedate = toDate('2018-10-12') AND somecolumn <= 100") == "hello\nworld\n"
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node.query(
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"INSERT INTO compression_codec_multiple_with_key SELECT toDate('2018-10-12'), number, toString(number), 1.0 FROM system.numbers LIMIT 10000")
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assert node.query("SELECT COUNT(id) FROM compression_codec_multiple_with_key WHERE id % 10 == 0") == "1001\n"
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assert node.query("SELECT SUM(somecolumn) FROM compression_codec_multiple_with_key") == str(
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777.777 + 88.88 + 99.99 + 1.0 * 10000) + "\n"
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assert node.query("SELECT count(*) FROM compression_codec_multiple_with_key GROUP BY somedate") == "10003\n"
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def test_preconfigured_custom_codec(start_cluster):
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node3.query("""
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CREATE TABLE compression_codec_multiple_with_key (
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somedate Date CODEC(ZSTD, ZSTD, ZSTD(12), LZ4HC(12)),
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id UInt64 CODEC(LZ4, ZSTD, NONE, LZ4HC),
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data String,
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somecolumn Float64 CODEC(ZSTD(2), LZ4HC, NONE, NONE, NONE, LZ4HC(5))
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) ENGINE = MergeTree() PARTITION BY somedate ORDER BY id SETTINGS index_granularity = 2;
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""")
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node3.query(
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"INSERT INTO compression_codec_multiple_with_key VALUES(toDate('2018-10-12'), 100000, 'hello', 88.88), (toDate('2018-10-12'), 100002, 'world', 99.99), (toDate('2018-10-12'), 1111, '!', 777.777)")
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assert node3.query("SELECT COUNT(*) FROM compression_codec_multiple_with_key WHERE id % 2 == 0") == "2\n"
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assert node3.query(
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"SELECT DISTINCT somecolumn FROM compression_codec_multiple_with_key ORDER BY id") == "777.777\n88.88\n99.99\n"
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assert node3.query(
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"SELECT data FROM compression_codec_multiple_with_key WHERE id >= 1112 AND somedate = toDate('2018-10-12') AND somecolumn <= 100") == "hello\nworld\n"
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node3.query(
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"INSERT INTO compression_codec_multiple_with_key VALUES(toDate('2018-10-12'), 100000, '{}', 88.88)".format(
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''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(10000))))
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node3.query("OPTIMIZE TABLE compression_codec_multiple_with_key FINAL")
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assert node3.query(
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"SELECT max(length(data)) from compression_codec_multiple_with_key GROUP BY data ORDER BY max(length(data)) DESC LIMIT 1") == "10000\n"
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for i in range(10):
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node3.query(
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"INSERT INTO compression_codec_multiple_with_key VALUES(toDate('2018-10-12'), {}, '{}', 88.88)".format(i,
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''.join(
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random.choice(
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string.ascii_uppercase + string.digits)
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for
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_
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in
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range(
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10000))))
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node3.query("OPTIMIZE TABLE compression_codec_multiple_with_key FINAL")
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assert node3.query("SELECT COUNT(*) from compression_codec_multiple_with_key WHERE length(data) = 10000") == "11\n"
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def test_uncompressed_cache_custom_codec(start_cluster):
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node4.query("""
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CREATE TABLE compression_codec_multiple_with_key (
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somedate Date CODEC(ZSTD, ZSTD, ZSTD(12), LZ4HC(12)),
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id UInt64 CODEC(LZ4, ZSTD, NONE, LZ4HC),
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data String,
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somecolumn Float64 CODEC(ZSTD(2), LZ4HC, NONE, NONE, NONE, LZ4HC(5))
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) ENGINE = MergeTree() PARTITION BY somedate ORDER BY id SETTINGS index_granularity = 2;
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""")
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node4.query(
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"INSERT INTO compression_codec_multiple_with_key VALUES(toDate('2018-10-12'), 100000, '{}', 88.88)".format(
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''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(10000))))
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# two equal requests one by one, to get into UncompressedCache for the first block
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assert node4.query(
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"SELECT max(length(data)) from compression_codec_multiple_with_key GROUP BY data ORDER BY max(length(data)) DESC LIMIT 1") == "10000\n"
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assert node4.query(
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"SELECT max(length(data)) from compression_codec_multiple_with_key GROUP BY data ORDER BY max(length(data)) DESC LIMIT 1") == "10000\n"
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def test_uncompressed_cache_plus_zstd_codec(start_cluster):
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node5.query("""
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CREATE TABLE compression_codec_multiple_with_key (
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somedate Date CODEC(ZSTD, ZSTD, ZSTD(12), LZ4HC(12)),
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id UInt64 CODEC(LZ4, ZSTD, NONE, LZ4HC),
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data String,
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somecolumn Float64 CODEC(ZSTD(2), LZ4HC, NONE, NONE, NONE, LZ4HC(5))
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) ENGINE = MergeTree() PARTITION BY somedate ORDER BY id SETTINGS index_granularity = 2;
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""")
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node5.query(
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"INSERT INTO compression_codec_multiple_with_key VALUES(toDate('2018-10-12'), 100000, '{}', 88.88)".format(
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'a' * 10000))
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assert node5.query(
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"SELECT max(length(data)) from compression_codec_multiple_with_key GROUP BY data ORDER BY max(length(data)) DESC LIMIT 1") == "10000\n"
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