mirror of
https://github.com/ClickHouse/ClickHouse.git
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428 lines
13 KiB
Python
428 lines
13 KiB
Python
from email.errors import HeaderParseError
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import logging
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import os
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import csv
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import shutil
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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 TSV
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from helpers.mock_servers import start_mock_servers
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logging.getLogger().setLevel(logging.INFO)
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logging.getLogger().addHandler(logging.StreamHandler())
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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S3_DATA = [
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"data/clickhouse/part1.csv",
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"data/clickhouse/part123.csv",
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"data/database/part2.csv",
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"data/database/partition675.csv",
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]
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def create_buckets_s3(cluster):
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minio = cluster.minio_client
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for file_number in range(100):
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file_name = f"data/generated/file_{file_number}.csv"
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os.makedirs(os.path.join(SCRIPT_DIR, "data/generated/"), exist_ok=True)
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S3_DATA.append(file_name)
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with open(os.path.join(SCRIPT_DIR, file_name), "w+", encoding="utf-8") as f:
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# a String, b UInt64
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data = []
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# Make all files a bit different
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for number in range(100 + file_number):
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data.append([str(number + file_number) * 10, number + file_number])
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writer = csv.writer(f)
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writer.writerows(data)
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for file in S3_DATA:
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minio.fput_object(
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bucket_name=cluster.minio_bucket,
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object_name=file,
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file_path=os.path.join(SCRIPT_DIR, file),
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)
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for obj in minio.list_objects(cluster.minio_bucket, recursive=True):
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print(obj.object_name)
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def run_s3_mocks(started_cluster):
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script_dir = os.path.join(os.path.dirname(__file__), "s3_mocks")
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start_mock_servers(
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started_cluster,
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script_dir,
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[
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("s3_mock.py", "resolver", "8080"),
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],
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)
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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 = ClickHouseCluster(__file__)
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cluster.add_instance(
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"s0_0_0",
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main_configs=["configs/cluster.xml", "configs/named_collections.xml"],
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user_configs=["configs/users.xml"],
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macros={"replica": "node1", "shard": "shard1"},
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with_minio=True,
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with_zookeeper=True,
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)
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cluster.add_instance(
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"s0_0_1",
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main_configs=["configs/cluster.xml", "configs/named_collections.xml"],
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macros={"replica": "replica2", "shard": "shard1"},
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with_zookeeper=True,
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)
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cluster.add_instance(
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"s0_1_0",
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main_configs=["configs/cluster.xml", "configs/named_collections.xml"],
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macros={"replica": "replica1", "shard": "shard2"},
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with_zookeeper=True,
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)
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logging.info("Starting cluster...")
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cluster.start()
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logging.info("Cluster started")
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create_buckets_s3(cluster)
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run_s3_mocks(cluster)
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yield cluster
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finally:
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shutil.rmtree(os.path.join(SCRIPT_DIR, "data/generated/"))
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cluster.shutdown()
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def test_select_all(started_cluster):
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node = started_cluster.instances["s0_0_0"]
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pure_s3 = node.query(
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"""
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SELECT * from s3(
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'http://minio1:9001/root/data/{clickhouse,database}/*',
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'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')
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ORDER BY (name, value, polygon)"""
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)
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# print(pure_s3)
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s3_distributed = node.query(
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"""
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SELECT * from s3Cluster(
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'cluster_simple',
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'http://minio1:9001/root/data/{clickhouse,database}/*', 'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))') ORDER BY (name, value, polygon)"""
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)
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# print(s3_distributed)
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assert TSV(pure_s3) == TSV(s3_distributed)
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def test_count(started_cluster):
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node = started_cluster.instances["s0_0_0"]
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pure_s3 = node.query(
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"""
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SELECT count(*) from s3(
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'http://minio1:9001/root/data/{clickhouse,database}/*',
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'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')"""
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)
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# print(pure_s3)
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s3_distributed = node.query(
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"""
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SELECT count(*) from s3Cluster(
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'cluster_simple', 'http://minio1:9001/root/data/{clickhouse,database}/*',
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'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')"""
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)
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# print(s3_distributed)
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assert TSV(pure_s3) == TSV(s3_distributed)
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def test_count_macro(started_cluster):
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node = started_cluster.instances["s0_0_0"]
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s3_macro = node.query(
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"""
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SELECT count(*) from s3Cluster(
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'{default_cluster_macro}', 'http://minio1:9001/root/data/{clickhouse,database}/*',
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'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')"""
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)
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# print(s3_distributed)
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s3_distributed = node.query(
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"""
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SELECT count(*) from s3Cluster(
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'cluster_simple', 'http://minio1:9001/root/data/{clickhouse,database}/*',
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'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')"""
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)
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# print(s3_distributed)
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assert TSV(s3_macro) == TSV(s3_distributed)
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def test_union_all(started_cluster):
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node = started_cluster.instances["s0_0_0"]
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pure_s3 = node.query(
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"""
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SELECT * FROM
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(
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SELECT * from s3(
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'http://minio1:9001/root/data/{clickhouse,database}/*',
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'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')
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UNION ALL
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SELECT * from s3(
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'http://minio1:9001/root/data/{clickhouse,database}/*',
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'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')
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)
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ORDER BY (name, value, polygon)
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"""
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)
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# print(pure_s3)
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s3_distributed = node.query(
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"""
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SELECT * FROM
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(
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SELECT * from s3Cluster(
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'cluster_simple',
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'http://minio1:9001/root/data/{clickhouse,database}/*', 'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')
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UNION ALL
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SELECT * from s3Cluster(
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'cluster_simple',
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'http://minio1:9001/root/data/{clickhouse,database}/*', 'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')
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)
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ORDER BY (name, value, polygon)
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"""
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)
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# print(s3_distributed)
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assert TSV(pure_s3) == TSV(s3_distributed)
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def test_wrong_cluster(started_cluster):
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node = started_cluster.instances["s0_0_0"]
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error = node.query_and_get_error(
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"""
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SELECT count(*) from s3Cluster(
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'non_existent_cluster',
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'http://minio1:9001/root/data/{clickhouse,database}/*',
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'minio', 'minio123', 'CSV', 'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')
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UNION ALL
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SELECT count(*) from s3Cluster(
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'non_existent_cluster',
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'http://minio1:9001/root/data/{clickhouse,database}/*',
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'minio', 'minio123', 'CSV', 'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')
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"""
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)
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assert "not found" in error
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def test_ambiguous_join(started_cluster):
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node = started_cluster.instances["s0_0_0"]
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result = node.query(
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"""
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SELECT l.name, r.value from s3Cluster(
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'cluster_simple',
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'http://minio1:9001/root/data/{clickhouse,database}/*', 'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))') as l
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JOIN s3Cluster(
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'cluster_simple',
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'http://minio1:9001/root/data/{clickhouse,database}/*', 'minio', 'minio123', 'CSV',
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'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))') as r
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ON l.name = r.name
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"""
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)
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assert "AMBIGUOUS_COLUMN_NAME" not in result
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def test_skip_unavailable_shards(started_cluster):
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node = started_cluster.instances["s0_0_0"]
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result = node.query(
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"""
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SELECT count(*) from s3Cluster(
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'cluster_non_existent_port',
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'http://minio1:9001/root/data/clickhouse/part1.csv',
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'minio', 'minio123', 'CSV', 'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')
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SETTINGS skip_unavailable_shards = 1
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"""
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)
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assert result == "10\n"
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def test_unset_skip_unavailable_shards(started_cluster):
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# Although skip_unavailable_shards is not set, cluster table functions should always skip unavailable shards.
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node = started_cluster.instances["s0_0_0"]
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result = node.query(
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"""
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SELECT count(*) from s3Cluster(
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'cluster_non_existent_port',
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'http://minio1:9001/root/data/clickhouse/part1.csv',
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'minio', 'minio123', 'CSV', 'name String, value UInt32, polygon Array(Array(Tuple(Float64, Float64)))')
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"""
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)
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assert result == "10\n"
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def test_distributed_insert_select_with_replicated(started_cluster):
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first_replica_first_shard = started_cluster.instances["s0_0_0"]
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second_replica_first_shard = started_cluster.instances["s0_0_1"]
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first_replica_first_shard.query(
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"""DROP TABLE IF EXISTS insert_select_replicated_local ON CLUSTER 'first_shard' SYNC;"""
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)
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first_replica_first_shard.query(
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"""
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CREATE TABLE insert_select_replicated_local ON CLUSTER 'first_shard' (a String, b UInt64)
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ENGINE=ReplicatedMergeTree('/clickhouse/tables/{shard}/insert_select_with_replicated', '{replica}')
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ORDER BY (a, b);
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"""
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)
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for replica in [first_replica_first_shard, second_replica_first_shard]:
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replica.query(
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"""
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SYSTEM STOP FETCHES;
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"""
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)
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replica.query(
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"""
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SYSTEM STOP MERGES;
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"""
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)
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first_replica_first_shard.query(
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"""
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INSERT INTO insert_select_replicated_local SELECT * FROM s3Cluster(
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'first_shard',
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'http://minio1:9001/root/data/generated/*.csv', 'minio', 'minio123', 'CSV','a String, b UInt64'
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) SETTINGS parallel_distributed_insert_select=1;
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"""
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)
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for replica in [first_replica_first_shard, second_replica_first_shard]:
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replica.query(
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"""
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SYSTEM FLUSH LOGS;
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"""
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)
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assert (
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int(
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second_replica_first_shard.query(
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"""SELECT count(*) FROM system.query_log WHERE not is_initial_query and query ilike '%s3Cluster%';"""
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).strip()
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)
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!= 0
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)
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# Check whether we inserted at least something
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assert (
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int(
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second_replica_first_shard.query(
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"""SELECT count(*) FROM insert_select_replicated_local;"""
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).strip()
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)
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!= 0
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)
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first_replica_first_shard.query(
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"""DROP TABLE IF EXISTS insert_select_replicated_local ON CLUSTER 'first_shard' SYNC;"""
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)
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def test_parallel_distributed_insert_select_with_schema_inference(started_cluster):
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node = started_cluster.instances["s0_0_0"]
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node.query(
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"""DROP TABLE IF EXISTS parallel_insert_select ON CLUSTER 'first_shard' SYNC;"""
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)
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node.query(
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"""
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CREATE TABLE parallel_insert_select ON CLUSTER 'first_shard' (a String, b UInt64)
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ENGINE=ReplicatedMergeTree('/clickhouse/tables/{shard}/insert_select_with_replicated', '{replica}')
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ORDER BY (a, b);
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"""
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)
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node.query(
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"""
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INSERT INTO parallel_insert_select SELECT * FROM s3Cluster(
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'first_shard',
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'http://minio1:9001/root/data/generated/*.csv', 'minio', 'minio123', 'CSV'
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) SETTINGS parallel_distributed_insert_select=1, use_structure_from_insertion_table_in_table_functions=0;
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"""
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)
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node.query("SYSTEM SYNC REPLICA parallel_insert_select")
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actual_count = int(
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node.query(
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"SELECT count() FROM s3('http://minio1:9001/root/data/generated/*.csv', 'minio', 'minio123', 'CSV','a String, b UInt64')"
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)
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)
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count = int(node.query("SELECT count() FROM parallel_insert_select"))
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assert count == actual_count
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def test_cluster_with_header(started_cluster):
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node = started_cluster.instances["s0_0_0"]
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assert (
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node.query(
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"SELECT * from s3('http://resolver:8080/bucket/key.csv', headers(MyCustomHeader = 'SomeValue'))"
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)
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== "SomeValue\n"
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)
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assert (
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node.query(
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"SELECT * from s3('http://resolver:8080/bucket/key.csv', headers(MyCustomHeader = 'SomeValue'), 'CSV')"
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)
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== "SomeValue\n"
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)
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assert (
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node.query(
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"SELECT * from s3Cluster('cluster_simple', 'http://resolver:8080/bucket/key.csv', headers(MyCustomHeader = 'SomeValue'))"
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)
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== "SomeValue\n"
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)
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assert (
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node.query(
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"SELECT * from s3Cluster('cluster_simple', 'http://resolver:8080/bucket/key.csv', headers(MyCustomHeader = 'SomeValue'), 'CSV')"
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)
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== "SomeValue\n"
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)
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def test_cluster_with_named_collection(started_cluster):
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node = started_cluster.instances["s0_0_0"]
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pure_s3 = node.query("""SELECT * from s3(test_s3) ORDER BY (c1, c2, c3)""")
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s3_cluster = node.query(
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"""SELECT * from s3Cluster(cluster_simple, test_s3) ORDER BY (c1, c2, c3)"""
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)
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assert TSV(pure_s3) == TSV(s3_cluster)
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s3_cluster = node.query(
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"""SELECT * from s3Cluster(cluster_simple, test_s3, structure='auto') ORDER BY (c1, c2, c3)"""
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)
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assert TSV(pure_s3) == TSV(s3_cluster)
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