mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-14 18:32:29 +00:00
449 lines
21 KiB
Python
449 lines
21 KiB
Python
import os
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import pytest
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import sys
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import time
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import grpc
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from helpers.cluster import ClickHouseCluster, run_and_check
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from threading import Thread
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import gzip
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import lz4.frame
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GRPC_PORT = 9100
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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DEFAULT_ENCODING = 'utf-8'
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# Use grpcio-tools to generate *pb2.py files from *.proto.
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proto_dir = os.path.join(SCRIPT_DIR, './protos')
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gen_dir = os.path.join(SCRIPT_DIR, './_gen')
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os.makedirs(gen_dir, exist_ok=True)
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run_and_check(
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'python3 -m grpc_tools.protoc -I{proto_dir} --python_out={gen_dir} --grpc_python_out={gen_dir} \
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{proto_dir}/clickhouse_grpc.proto'.format(proto_dir=proto_dir, gen_dir=gen_dir), shell=True)
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sys.path.append(gen_dir)
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import clickhouse_grpc_pb2
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import clickhouse_grpc_pb2_grpc
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# Utilities
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config_dir = os.path.join(SCRIPT_DIR, './configs')
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance('node', main_configs=['configs/grpc_config.xml'])
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main_channel = None
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def create_channel():
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node_ip_with_grpc_port = cluster.get_instance_ip('node') + ':' + str(GRPC_PORT)
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channel = grpc.insecure_channel(node_ip_with_grpc_port)
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grpc.channel_ready_future(channel).result(timeout=10)
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global main_channel
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if not main_channel:
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main_channel = channel
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return channel
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def query_common(query_text, settings={}, input_data=[], input_data_delimiter='', output_format='TabSeparated', external_tables=[],
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user_name='', password='', query_id='123', session_id='', stream_output=False, channel=None):
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if type(input_data) is not list:
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input_data = [input_data]
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if type(input_data_delimiter) is str:
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input_data_delimiter=input_data_delimiter.encode(DEFAULT_ENCODING)
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if not channel:
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channel = main_channel
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stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(channel)
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def query_info():
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input_data_part = input_data.pop(0) if input_data else b''
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if type(input_data_part) is str:
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input_data_part = input_data_part.encode(DEFAULT_ENCODING)
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return clickhouse_grpc_pb2.QueryInfo(query=query_text, settings=settings, input_data=input_data_part,
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input_data_delimiter=input_data_delimiter, output_format=output_format,
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external_tables=external_tables, user_name=user_name, password=password, query_id=query_id,
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session_id=session_id, next_query_info=bool(input_data))
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def send_query_info():
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yield query_info()
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while input_data:
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input_data_part = input_data.pop(0)
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if type(input_data_part) is str:
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input_data_part = input_data_part.encode(DEFAULT_ENCODING)
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yield clickhouse_grpc_pb2.QueryInfo(input_data=input_data_part, next_query_info=bool(input_data))
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stream_input = len(input_data) > 1
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if stream_input and stream_output:
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return list(stub.ExecuteQueryWithStreamIO(send_query_info()))
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elif stream_input:
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return [stub.ExecuteQueryWithStreamInput(send_query_info())]
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elif stream_output:
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return list(stub.ExecuteQueryWithStreamOutput(query_info()))
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else:
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return [stub.ExecuteQuery(query_info())]
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def query_no_errors(*args, **kwargs):
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results = query_common(*args, **kwargs)
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if results and results[-1].HasField('exception'):
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raise Exception(results[-1].exception.display_text)
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return results
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def query(*args, **kwargs):
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output = b''
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for result in query_no_errors(*args, **kwargs):
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output += result.output
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return output.decode(DEFAULT_ENCODING)
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def query_and_get_error(*args, **kwargs):
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results = query_common(*args, **kwargs)
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if not results or not results[-1].HasField('exception'):
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raise Exception("Expected to be failed but succeeded!")
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return results[-1].exception
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def query_and_get_totals(*args, **kwargs):
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totals = b''
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for result in query_no_errors(*args, **kwargs):
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totals += result.totals
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return totals.decode(DEFAULT_ENCODING)
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def query_and_get_extremes(*args, **kwargs):
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extremes = b''
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for result in query_no_errors(*args, **kwargs):
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extremes += result.extremes
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return extremes.decode(DEFAULT_ENCODING)
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def query_and_get_logs(*args, **kwargs):
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logs = ""
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for result in query_no_errors(*args, **kwargs):
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for log_entry in result.logs:
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#print(log_entry)
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logs += log_entry.text + "\n"
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return logs
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class QueryThread(Thread):
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def __init__(self, query_text, expected_output, query_id, use_separate_channel=False):
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Thread.__init__(self)
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self.query_text = query_text
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self.expected_output = expected_output
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self.use_separate_channel = use_separate_channel
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self.query_id = query_id
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def run(self):
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if self.use_separate_channel:
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with create_channel() as channel:
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assert query(self.query_text, query_id=self.query_id, channel=channel) == self.expected_output
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else:
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assert query(self.query_text, query_id=self.query_id) == self.expected_output
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@pytest.fixture(scope="module", autouse=True)
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def start_cluster():
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cluster.start()
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try:
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with create_channel() as channel:
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yield cluster
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finally:
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cluster.shutdown()
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@pytest.fixture(autouse=True)
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def reset_after_test():
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yield
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node.query_with_retry("DROP TABLE IF EXISTS t")
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# Actual tests
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def test_select_one():
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assert query("SELECT 1") == "1\n"
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def test_ordinary_query():
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assert query("SELECT count() FROM numbers(100)") == "100\n"
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def test_insert_query():
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query("CREATE TABLE t (a UInt8) ENGINE = Memory")
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query("INSERT INTO t VALUES (1),(2),(3)")
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query("INSERT INTO t FORMAT TabSeparated 4\n5\n6\n")
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query("INSERT INTO t VALUES", input_data="(7),(8)")
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query("INSERT INTO t FORMAT TabSeparated", input_data="9\n10\n")
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assert query("SELECT a FROM t ORDER BY a") == "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n"
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def test_insert_query_streaming():
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query("CREATE TABLE t (a UInt8) ENGINE = Memory")
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query("INSERT INTO t VALUES", input_data=["(1),(2),(3),", "(5),(4),(6),", "(7),(8),(9)"])
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assert query("SELECT a FROM t ORDER BY a") == "1\n2\n3\n4\n5\n6\n7\n8\n9\n"
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def test_insert_query_delimiter():
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query("CREATE TABLE t (a UInt8) ENGINE = Memory")
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query("INSERT INTO t FORMAT CSV 1\n2", input_data=["3", "4\n5"], input_data_delimiter='\n')
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assert query("SELECT a FROM t ORDER BY a") == "1\n2\n3\n4\n5\n"
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query("DROP TABLE t")
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query("CREATE TABLE t (a UInt8) ENGINE = Memory")
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query("INSERT INTO t FORMAT CSV 1\n2", input_data=["3", "4\n5"])
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assert query("SELECT a FROM t ORDER BY a") == "1\n5\n234\n"
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def test_insert_default_column():
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query("CREATE TABLE t (a UInt8, b Int32 DEFAULT 100, c String DEFAULT 'c') ENGINE = Memory")
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query("INSERT INTO t (c, a) VALUES ('x',1),('y',2)")
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query("INSERT INTO t (a) FORMAT TabSeparated", input_data="3\n4\n")
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assert query("SELECT * FROM t ORDER BY a") == "1\t100\tx\n" \
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"2\t100\ty\n" \
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"3\t100\tc\n" \
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"4\t100\tc\n"
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def test_insert_splitted_row():
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query("CREATE TABLE t (a UInt8) ENGINE = Memory")
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query("INSERT INTO t VALUES", input_data=["(1),(2),(", "3),(5),(4),(6)"])
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assert query("SELECT a FROM t ORDER BY a") == "1\n2\n3\n4\n5\n6\n"
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def test_output_format():
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query("CREATE TABLE t (a UInt8) ENGINE = Memory")
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query("INSERT INTO t VALUES (1),(2),(3)")
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assert query("SELECT a FROM t ORDER BY a FORMAT JSONEachRow") == '{"a":1}\n{"a":2}\n{"a":3}\n'
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assert query("SELECT a FROM t ORDER BY a", output_format="JSONEachRow") == '{"a":1}\n{"a":2}\n{"a":3}\n'
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def test_totals_and_extremes():
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query("CREATE TABLE t (x UInt8, y UInt8) ENGINE = Memory")
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query("INSERT INTO t VALUES (1, 2), (2, 4), (3, 2), (3, 3), (3, 4)")
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assert query("SELECT sum(x), y FROM t GROUP BY y WITH TOTALS") == "4\t2\n3\t3\n5\t4\n"
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assert query_and_get_totals("SELECT sum(x), y FROM t GROUP BY y WITH TOTALS") == "12\t0\n"
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assert query("SELECT x, y FROM t") == "1\t2\n2\t4\n3\t2\n3\t3\n3\t4\n"
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assert query_and_get_extremes("SELECT x, y FROM t", settings={"extremes": "1"}) == "1\t2\n3\t4\n"
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def test_errors_handling():
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e = query_and_get_error("")
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#print(e)
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assert "Empty query" in e.display_text
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query("CREATE TABLE t (a UInt8) ENGINE = Memory")
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e = query_and_get_error("CREATE TABLE t (a UInt8) ENGINE = Memory")
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assert "Table default.t already exists" in e.display_text
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def test_authentication():
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query("CREATE USER OR REPLACE john IDENTIFIED BY 'qwe123'")
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assert query("SELECT currentUser()", user_name="john", password="qwe123") == "john\n"
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query("DROP USER john")
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def test_logs():
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logs = query_and_get_logs("SELECT 1", settings={'send_logs_level':'debug'})
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assert "SELECT 1" in logs
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assert "Read 1 rows" in logs
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assert "Peak memory usage" in logs
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def test_progress():
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results = query_no_errors("SELECT number, sleep(0.31) FROM numbers(8) SETTINGS max_block_size=2, interactive_delay=100000", stream_output=True)
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#print(results)
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assert str(results) ==\
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"""[progress {
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read_rows: 2
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read_bytes: 16
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total_rows_to_read: 8
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}
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, output: "0\\t0\\n1\\t0\\n"
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, progress {
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read_rows: 2
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read_bytes: 16
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}
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, output: "2\\t0\\n3\\t0\\n"
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, progress {
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read_rows: 2
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read_bytes: 16
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}
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, output: "4\\t0\\n5\\t0\\n"
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, progress {
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read_rows: 2
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read_bytes: 16
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}
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, output: "6\\t0\\n7\\t0\\n"
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, stats {
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rows: 8
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blocks: 4
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allocated_bytes: 324
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applied_limit: true
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rows_before_limit: 8
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}
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]"""
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def test_session():
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session_a = "session A"
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session_b = "session B"
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query("SET custom_x=1", session_id=session_a)
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query("SET custom_y=2", session_id=session_a)
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query("SET custom_x=3", session_id=session_b)
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query("SET custom_y=4", session_id=session_b)
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assert query("SELECT getSetting('custom_x'), getSetting('custom_y')", session_id=session_a) == "1\t2\n"
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assert query("SELECT getSetting('custom_x'), getSetting('custom_y')", session_id=session_b) == "3\t4\n"
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def test_no_session():
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e = query_and_get_error("SET custom_x=1")
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assert "There is no session" in e.display_text
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def test_input_function():
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query("CREATE TABLE t (a UInt8) ENGINE = Memory")
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query("INSERT INTO t SELECT col1 * col2 FROM input('col1 UInt8, col2 UInt8') FORMAT CSV", input_data=["5,4\n", "8,11\n", "10,12\n"])
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assert query("SELECT a FROM t ORDER BY a") == "20\n88\n120\n"
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query("INSERT INTO t SELECT col1 * col2 FROM input('col1 UInt8, col2 UInt8') FORMAT CSV 11,13")
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assert query("SELECT a FROM t ORDER BY a") == "20\n88\n120\n143\n"
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query("INSERT INTO t SELECT col1 * col2 FROM input('col1 UInt8, col2 UInt8') FORMAT CSV 20,10\n", input_data="15,15\n")
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assert query("SELECT a FROM t ORDER BY a") == "20\n88\n120\n143\n200\n225\n"
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def test_external_table():
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columns = [clickhouse_grpc_pb2.NameAndType(name='UserID', type='UInt64'), clickhouse_grpc_pb2.NameAndType(name='UserName', type='String')]
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ext1 = clickhouse_grpc_pb2.ExternalTable(name='ext1', columns=columns, data=b'1\tAlex\n2\tBen\n3\tCarl\n', format='TabSeparated')
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assert query("SELECT * FROM ext1 ORDER BY UserID", external_tables=[ext1]) == "1\tAlex\n"\
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"2\tBen\n"\
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"3\tCarl\n"
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ext2 = clickhouse_grpc_pb2.ExternalTable(name='ext2', columns=columns, data=b'4,Daniel\n5,Ethan\n', format='CSV')
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assert query("SELECT * FROM (SELECT * FROM ext1 UNION ALL SELECT * FROM ext2) ORDER BY UserID", external_tables=[ext1, ext2]) == "1\tAlex\n"\
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"2\tBen\n"\
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"3\tCarl\n"\
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"4\tDaniel\n"\
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"5\tEthan\n"
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unnamed_columns = [clickhouse_grpc_pb2.NameAndType(type='UInt64'), clickhouse_grpc_pb2.NameAndType(type='String')]
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unnamed_table = clickhouse_grpc_pb2.ExternalTable(columns=unnamed_columns, data=b'6\tGeorge\n7\tFred\n')
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assert query("SELECT * FROM _data ORDER BY _2", external_tables=[unnamed_table]) == "7\tFred\n"\
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"6\tGeorge\n"
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def test_external_table_streaming():
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columns = [clickhouse_grpc_pb2.NameAndType(name='UserID', type='UInt64'), clickhouse_grpc_pb2.NameAndType(name='UserName', type='String')]
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def send_query_info():
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yield clickhouse_grpc_pb2.QueryInfo(query="SELECT * FROM exts ORDER BY UserID",
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external_tables=[clickhouse_grpc_pb2.ExternalTable(name='exts', columns=columns, data=b'1\tAlex\n2\tBen\n3\tCarl\n')],
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next_query_info=True)
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yield clickhouse_grpc_pb2.QueryInfo(external_tables=[clickhouse_grpc_pb2.ExternalTable(name='exts', data=b'4\tDaniel\n5\tEthan\n')])
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stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
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result = stub.ExecuteQueryWithStreamInput(send_query_info())
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assert result.output == b'1\tAlex\n'\
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b'2\tBen\n'\
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b'3\tCarl\n'\
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b'4\tDaniel\n'\
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b'5\tEthan\n'
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def test_simultaneous_queries_same_channel():
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threads=[]
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try:
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for i in range(0, 100):
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thread = QueryThread("SELECT sum(number) FROM numbers(10)", expected_output="45\n", query_id='sqA'+str(i))
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threads.append(thread)
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thread.start()
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finally:
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for thread in threads:
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thread.join()
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def test_simultaneous_queries_multiple_channels():
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threads=[]
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try:
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for i in range(0, 100):
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thread = QueryThread("SELECT sum(number) FROM numbers(10)", expected_output="45\n", query_id='sqB'+str(i), use_separate_channel=True)
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threads.append(thread)
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thread.start()
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finally:
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for thread in threads:
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thread.join()
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def test_cancel_while_processing_input():
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query("CREATE TABLE t (a UInt8) ENGINE = Memory")
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def send_query_info():
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yield clickhouse_grpc_pb2.QueryInfo(query="INSERT INTO t FORMAT TabSeparated", input_data=b'1\n2\n3\n', next_query_info=True)
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yield clickhouse_grpc_pb2.QueryInfo(input_data=b'4\n5\n6\n', next_query_info=True)
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yield clickhouse_grpc_pb2.QueryInfo(cancel=True)
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stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
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result = stub.ExecuteQueryWithStreamInput(send_query_info())
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assert result.cancelled == True
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assert result.progress.written_rows == 6
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assert query("SELECT a FROM t ORDER BY a") == "1\n2\n3\n4\n5\n6\n"
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def test_cancel_while_generating_output():
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def send_query_info():
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yield clickhouse_grpc_pb2.QueryInfo(query="SELECT number, sleep(0.2) FROM numbers(10) SETTINGS max_block_size=2")
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time.sleep(0.5)
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yield clickhouse_grpc_pb2.QueryInfo(cancel=True)
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stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
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results = list(stub.ExecuteQueryWithStreamIO(send_query_info()))
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assert len(results) >= 1
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assert results[-1].cancelled == True
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output = b''
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for result in results:
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output += result.output
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assert output == b'0\t0\n1\t0\n2\t0\n3\t0\n'
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def test_result_compression():
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query_info = clickhouse_grpc_pb2.QueryInfo(query="SELECT 0 FROM numbers(1000000)",
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result_compression=clickhouse_grpc_pb2.Compression(algorithm=clickhouse_grpc_pb2.CompressionAlgorithm.GZIP,
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level=clickhouse_grpc_pb2.CompressionLevel.COMPRESSION_HIGH))
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stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
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result = stub.ExecuteQuery(query_info)
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assert result.output == (b'0\n')*1000000
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def test_compressed_output():
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query_info = clickhouse_grpc_pb2.QueryInfo(query="SELECT 0 FROM numbers(1000)", compression_type="lz4")
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stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
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result = stub.ExecuteQuery(query_info)
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assert lz4.frame.decompress(result.output) == (b'0\n')*1000
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def test_compressed_output_streaming():
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query_info = clickhouse_grpc_pb2.QueryInfo(query="SELECT 0 FROM numbers(100000)", compression_type="lz4")
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stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
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d_context = lz4.frame.create_decompression_context()
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data = b''
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for result in stub.ExecuteQueryWithStreamOutput(query_info):
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d1, _, _ = lz4.frame.decompress_chunk(d_context, result.output)
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data += d1
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assert data == (b'0\n')*100000
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def test_compressed_output_gzip():
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query_info = clickhouse_grpc_pb2.QueryInfo(query="SELECT 0 FROM numbers(1000)", compression_type="gzip", compression_level=6)
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stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
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result = stub.ExecuteQuery(query_info)
|
|
assert gzip.decompress(result.output) == (b'0\n')*1000
|
|
|
|
def test_compressed_totals_and_extremes():
|
|
query("CREATE TABLE t (x UInt8, y UInt8) ENGINE = Memory")
|
|
query("INSERT INTO t VALUES (1, 2), (2, 4), (3, 2), (3, 3), (3, 4)")
|
|
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
|
|
query_info = clickhouse_grpc_pb2.QueryInfo(query="SELECT sum(x), y FROM t GROUP BY y WITH TOTALS", compression_type="lz4")
|
|
result = stub.ExecuteQuery(query_info)
|
|
assert lz4.frame.decompress(result.totals) == b'12\t0\n'
|
|
query_info = clickhouse_grpc_pb2.QueryInfo(query="SELECT x, y FROM t", settings={"extremes": "1"}, compression_type="lz4")
|
|
result = stub.ExecuteQuery(query_info)
|
|
assert lz4.frame.decompress(result.extremes) == b'1\t2\n3\t4\n'
|
|
|
|
def test_compressed_insert_query_streaming():
|
|
query("CREATE TABLE t (a UInt8) ENGINE = Memory")
|
|
data = lz4.frame.compress(b'(1),(2),(3),(5),(4),(6),(7),(8),(9)')
|
|
sz1 = len(data) // 3
|
|
sz2 = len(data) // 3
|
|
d1 = data[:sz1]
|
|
d2 = data[sz1:sz1+sz2]
|
|
d3 = data[sz1+sz2:]
|
|
def send_query_info():
|
|
yield clickhouse_grpc_pb2.QueryInfo(query="INSERT INTO t VALUES", input_data=d1, compression_type="lz4", next_query_info=True)
|
|
yield clickhouse_grpc_pb2.QueryInfo(input_data=d2, next_query_info=True)
|
|
yield clickhouse_grpc_pb2.QueryInfo(input_data=d3)
|
|
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
|
|
stub.ExecuteQueryWithStreamInput(send_query_info())
|
|
assert query("SELECT a FROM t ORDER BY a") == "1\n2\n3\n4\n5\n6\n7\n8\n9\n"
|
|
|
|
def test_compressed_external_table():
|
|
columns = [clickhouse_grpc_pb2.NameAndType(name='UserID', type='UInt64'), clickhouse_grpc_pb2.NameAndType(name='UserName', type='String')]
|
|
d1 = lz4.frame.compress(b'1\tAlex\n2\tBen\n3\tCarl\n')
|
|
d2 = gzip.compress(b'4,Daniel\n5,Ethan\n')
|
|
ext1 = clickhouse_grpc_pb2.ExternalTable(name='ext1', columns=columns, data=d1, format='TabSeparated', compression_type="lz4")
|
|
ext2 = clickhouse_grpc_pb2.ExternalTable(name='ext2', columns=columns, data=d2, format='CSV', compression_type="gzip")
|
|
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
|
|
query_info = clickhouse_grpc_pb2.QueryInfo(query="SELECT * FROM (SELECT * FROM ext1 UNION ALL SELECT * FROM ext2) ORDER BY UserID", external_tables=[ext1, ext2])
|
|
result = stub.ExecuteQuery(query_info)
|
|
assert result.output == b"1\tAlex\n"\
|
|
b"2\tBen\n"\
|
|
b"3\tCarl\n"\
|
|
b"4\tDaniel\n"\
|
|
b"5\tEthan\n"
|
|
|
|
def test_opentelemetry_context_propagation():
|
|
trace_id = "80c190b5-9dc1-4eae-82b9-6c261438c817"
|
|
parent_span_id = 123
|
|
trace_state = "some custom state"
|
|
trace_id_hex = trace_id.replace("-", "")
|
|
parent_span_id_hex = f'{parent_span_id:0>16X}'
|
|
metadata = [("traceparent", f"00-{trace_id_hex}-{parent_span_id_hex}-01"), ("tracestate", trace_state)]
|
|
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
|
|
query_info = clickhouse_grpc_pb2.QueryInfo(query="SELECT 1")
|
|
result = stub.ExecuteQuery(query_info, metadata=metadata)
|
|
assert result.output == b"1\n"
|
|
node.query("SYSTEM FLUSH LOGS")
|
|
assert node.query(f"SELECT attribute['db.statement'], attribute['clickhouse.tracestate'] FROM system.opentelemetry_span_log "
|
|
f"WHERE trace_id='{trace_id}' AND parent_span_id={parent_span_id}") == "SELECT 1\tsome custom state\n"
|