ClickHouse/tests/integration/test_non_default_compression/test.py
2022-03-22 17:39:58 +01:00

247 lines
7.8 KiB
Python

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