ClickHouse/tests/integration/test_grpc_protocol/test.py
2024-10-29 17:08:32 +01:00

761 lines
24 KiB
Python

import gzip
import os
import sys
import time
import uuid
from threading import Thread
import grpc
import lz4.frame
import pytest
import pytz
from helpers.cluster import ClickHouseCluster, is_arm, run_and_check
script_dir = os.path.dirname(os.path.realpath(__file__))
pb2_dir = os.path.join(script_dir, "pb2")
if pb2_dir not in sys.path:
sys.path.append(pb2_dir)
import clickhouse_grpc_pb2 # Execute pb2/generate.py to generate these modules.
import clickhouse_grpc_pb2_grpc
GRPC_PORT = 9100
DEFAULT_ENCODING = "utf-8"
# GRPC is disabled on ARM build - skip tests
if is_arm():
pytestmark = pytest.mark.skip
# Utilities
IPV6_ADDRESS = "2001:3984:3989::1:1111"
config_dir = os.path.join(script_dir, "./configs")
cluster = ClickHouseCluster(__file__)
node = cluster.add_instance(
"node",
main_configs=["configs/grpc_config.xml"],
# Bug in TSAN reproduces in this test https://github.com/grpc/grpc/issues/29550#issuecomment-1188085387
env_variables={
"TSAN_OPTIONS": "report_atomic_races=0 " + os.getenv("TSAN_OPTIONS", default="")
},
ipv6_address=IPV6_ADDRESS,
stay_alive=True,
)
main_channel = None
def create_channel(hostname=None):
if not hostname:
hostname = cluster.get_instance_ip("node")
node_ip_with_grpc_port = hostname + ":" + str(GRPC_PORT)
channel = grpc.insecure_channel(node_ip_with_grpc_port)
grpc.channel_ready_future(channel).result(timeout=10)
global main_channel
if not main_channel:
main_channel = channel
return channel
def query_common(
query_text,
settings={},
input_data=[],
input_data_delimiter="",
output_format="TabSeparated",
send_output_columns=False,
external_tables=[],
user_name="",
password="",
query_id="123",
session_id="",
stream_output=False,
channel=None,
):
if type(input_data) is not list:
input_data = [input_data]
if type(input_data_delimiter) is str:
input_data_delimiter = input_data_delimiter.encode(DEFAULT_ENCODING)
if not channel:
channel = main_channel
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(channel)
def query_info():
input_data_part = input_data.pop(0) if input_data else b""
if type(input_data_part) is str:
input_data_part = input_data_part.encode(DEFAULT_ENCODING)
return clickhouse_grpc_pb2.QueryInfo(
query=query_text,
settings=settings,
input_data=input_data_part,
input_data_delimiter=input_data_delimiter,
output_format=output_format,
send_output_columns=send_output_columns,
external_tables=external_tables,
user_name=user_name,
password=password,
query_id=query_id,
session_id=session_id,
next_query_info=bool(input_data),
)
def send_query_info():
yield query_info()
while input_data:
input_data_part = input_data.pop(0)
if type(input_data_part) is str:
input_data_part = input_data_part.encode(DEFAULT_ENCODING)
yield clickhouse_grpc_pb2.QueryInfo(
input_data=input_data_part, next_query_info=bool(input_data)
)
stream_input = len(input_data) > 1
if stream_input and stream_output:
return list(stub.ExecuteQueryWithStreamIO(send_query_info()))
elif stream_input:
return [stub.ExecuteQueryWithStreamInput(send_query_info())]
elif stream_output:
return list(stub.ExecuteQueryWithStreamOutput(query_info()))
else:
return [stub.ExecuteQuery(query_info())]
def query_no_errors(*args, **kwargs):
results = query_common(*args, **kwargs)
if results and results[-1].HasField("exception"):
raise Exception(results[-1].exception.display_text)
return results
def query(*args, **kwargs):
output = b""
for result in query_no_errors(*args, **kwargs):
output += result.output
return output.decode(DEFAULT_ENCODING)
def query_and_get_error(*args, **kwargs):
results = query_common(*args, **kwargs)
if not results or not results[-1].HasField("exception"):
raise Exception("Expected to be failed but succeeded!")
return results[-1].exception
def query_and_get_totals(*args, **kwargs):
totals = b""
for result in query_no_errors(*args, **kwargs):
totals += result.totals
return totals.decode(DEFAULT_ENCODING)
def query_and_get_extremes(*args, **kwargs):
extremes = b""
for result in query_no_errors(*args, **kwargs):
extremes += result.extremes
return extremes.decode(DEFAULT_ENCODING)
def query_and_get_logs(*args, **kwargs):
logs = ""
for result in query_no_errors(*args, **kwargs):
for log_entry in result.logs:
# print(log_entry)
logs += log_entry.text + "\n"
return logs
class QueryThread(Thread):
def __init__(
self, query_text, expected_output, query_id, use_separate_channel=False
):
Thread.__init__(self)
self.query_text = query_text
self.expected_output = expected_output
self.use_separate_channel = use_separate_channel
self.query_id = query_id
def run(self):
if self.use_separate_channel:
with create_channel() as channel:
assert (
query(self.query_text, query_id=self.query_id, channel=channel)
== self.expected_output
)
else:
assert (
query(self.query_text, query_id=self.query_id) == self.expected_output
)
@pytest.fixture(scope="module", autouse=True)
def start_cluster():
cluster.start()
try:
with create_channel() as channel:
yield cluster
finally:
cluster.shutdown()
@pytest.fixture(autouse=True)
def reset_after_test():
yield
node.query_with_retry("DROP TABLE IF EXISTS t")
# Actual tests
def test_select_one():
assert query("SELECT 1") == "1\n"
def test_ipv6_select_one():
with create_channel(f"[{IPV6_ADDRESS}]") as channel:
assert query("SELECT 1", channel=channel) == "1\n"
def test_ordinary_query():
assert query("SELECT count() FROM numbers(100)") == "100\n"
def test_insert_query():
query("CREATE TABLE t (a UInt8) ENGINE = Memory")
query("INSERT INTO t VALUES (1),(2),(3)")
query("INSERT INTO t FORMAT TabSeparated 4\n5\n6\n")
query("INSERT INTO t VALUES", input_data="(7),(8)")
query("INSERT INTO t FORMAT TabSeparated", input_data="9\n10\n")
assert query("SELECT a FROM t ORDER BY a") == "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n"
def test_insert_query_streaming():
query("CREATE TABLE t (a UInt8) ENGINE = Memory")
query(
"INSERT INTO t VALUES",
input_data=["(1),(2),(3),", "(5),(4),(6),", "(7),(8),(9)"],
)
assert query("SELECT a FROM t ORDER BY a") == "1\n2\n3\n4\n5\n6\n7\n8\n9\n"
def test_insert_query_delimiter():
query("CREATE TABLE t (a UInt8) ENGINE = Memory")
query(
"INSERT INTO t FORMAT CSV 1\n2",
input_data=["3", "4\n5"],
input_data_delimiter="\n",
)
assert query("SELECT a FROM t ORDER BY a") == "1\n2\n3\n4\n5\n"
query("DROP TABLE t")
query("CREATE TABLE t (a UInt8) ENGINE = Memory")
query("INSERT INTO t FORMAT CSV 1\n2", input_data=["3", "4\n5"])
assert query("SELECT a FROM t ORDER BY a") == "1\n5\n234\n"
def test_insert_default_column():
query(
"CREATE TABLE t (a UInt8, b Int32 DEFAULT 100 - a, c String DEFAULT 'c') ENGINE = Memory"
)
query("INSERT INTO t (c, a) VALUES ('x',1),('y',2)")
query("INSERT INTO t (a) FORMAT TabSeparated", input_data="3\n4\n")
assert (
query("SELECT * FROM t ORDER BY a") == "1\t99\tx\n"
"2\t98\ty\n"
"3\t97\tc\n"
"4\t96\tc\n"
)
def test_insert_splitted_row():
query("CREATE TABLE t (a UInt8) ENGINE = Memory")
query("INSERT INTO t VALUES", input_data=["(1),(2),(", "3),(5),(4),(6)"])
assert query("SELECT a FROM t ORDER BY a") == "1\n2\n3\n4\n5\n6\n"
def test_output_format():
query("CREATE TABLE t (a UInt8) ENGINE = Memory")
query("INSERT INTO t VALUES (1),(2),(3)")
assert (
query("SELECT a FROM t ORDER BY a FORMAT JSONEachRow")
== '{"a":1}\n{"a":2}\n{"a":3}\n'
)
assert (
query("SELECT a FROM t ORDER BY a", output_format="JSONEachRow")
== '{"a":1}\n{"a":2}\n{"a":3}\n'
)
def test_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)")
assert (
query("SELECT sum(x), y FROM t GROUP BY y WITH TOTALS") == "4\t2\n3\t3\n5\t4\n"
)
assert (
query_and_get_totals("SELECT sum(x), y FROM t GROUP BY y WITH TOTALS")
== "12\t0\n"
)
assert query("SELECT x, y FROM t") == "1\t2\n2\t4\n3\t2\n3\t3\n3\t4\n"
assert (
query_and_get_extremes("SELECT x, y FROM t", settings={"extremes": "1"})
== "1\t2\n3\t4\n"
)
def test_get_query_details():
result = list(
query_no_errors("CREATE TABLE t (a UInt8) ENGINE = Memory", query_id="123")
)[0]
assert result.query_id == "123"
pytz.timezone(result.time_zone)
assert result.output_format == ""
assert len(result.output_columns) == 0
assert result.output == b""
#
result = list(
query_no_errors("SELECT 'a', 1", query_id="", output_format="TabSeparated")
)[0]
uuid.UUID(result.query_id)
pytz.timezone(result.time_zone)
assert result.output_format == "TabSeparated"
assert len(result.output_columns) == 0
assert result.output == b"a\t1\n"
#
result = list(
query_no_errors(
"SELECT 'a' AS x, 1 FORMAT JSONEachRow",
query_id="",
send_output_columns=True,
)
)[0]
uuid.UUID(result.query_id)
pytz.timezone(result.time_zone)
assert result.output_format == "JSONEachRow"
assert ([(col.name, col.type) for col in result.output_columns]) == [
("x", "String"),
("1", "UInt8"),
]
assert result.output == b'{"x":"a","1":1}\n'
def test_errors_handling():
e = query_and_get_error("")
# print(e)
assert "Empty query" in e.display_text
query("CREATE TABLE t (a UInt8) ENGINE = Memory")
e = query_and_get_error("CREATE TABLE t (a UInt8) ENGINE = Memory")
assert "Table default.t already exists" in e.display_text
def test_authentication():
query("CREATE USER OR REPLACE john IDENTIFIED BY 'qwe123'")
assert (
query("SELECT currentUser()", user_name="john", password="qwe123") == "john\n"
)
query("DROP USER john")
def test_logs():
query = "SELECT has(groupArray(number), 42) FROM numbers(1000000) SETTINGS max_block_size=100000"
logs = query_and_get_logs(
query,
settings={"send_logs_level": "debug"},
)
assert query in logs
assert "Read 1000000 rows" in logs
assert "Query peak memory usage" in logs
def test_progress():
results = query_no_errors(
"SELECT number, sleep(0.31) FROM numbers(8) SETTINGS max_block_size=2, interactive_delay=100000",
stream_output=True,
)
# Note: We can't compare results using a statement like `assert results == expected_results`
# because `results` can come in slightly different order.
# So we compare `outputs` and `progresses` separately and not `results` as a whole.
outputs = [i.output for i in results if i.output]
progresses = [i.progress for i in results if i.HasField("progress")]
# print(outputs)
# print(progresses)
expected_outputs = [
b"0\t0\n1\t0\n",
b"2\t0\n3\t0\n",
b"4\t0\n5\t0\n",
b"6\t0\n7\t0\n",
]
expected_progresses = [
clickhouse_grpc_pb2.Progress(read_rows=2, read_bytes=16, total_rows_to_read=8),
clickhouse_grpc_pb2.Progress(read_rows=2, read_bytes=16),
clickhouse_grpc_pb2.Progress(read_rows=2, read_bytes=16),
clickhouse_grpc_pb2.Progress(read_rows=2, read_bytes=16),
]
assert outputs == expected_outputs
assert progresses == expected_progresses
def test_session_settings():
session_a = "session A"
session_b = "session B"
query("SET custom_x=1", session_id=session_a)
query("SET custom_y=2", session_id=session_a)
query("SET custom_x=3", session_id=session_b)
query("SET custom_y=4", session_id=session_b)
assert (
query(
"SELECT getSetting('custom_x'), getSetting('custom_y')",
session_id=session_a,
)
== "1\t2\n"
)
assert (
query(
"SELECT getSetting('custom_x'), getSetting('custom_y')",
session_id=session_b,
)
== "3\t4\n"
)
def test_session_temp_tables():
session_a = "session A"
session_b = "session B"
query("CREATE TEMPORARY TABLE my_temp_table(a Int8)", session_id=session_a)
query("INSERT INTO my_temp_table VALUES (10)", session_id=session_a)
assert query("SELECT * FROM my_temp_table", session_id=session_a) == "10\n"
query("CREATE TEMPORARY TABLE my_temp_table(a Int8)", session_id=session_b)
query("INSERT INTO my_temp_table VALUES (20)", session_id=session_b)
assert query("SELECT * FROM my_temp_table", session_id=session_b) == "20\n"
assert query("SELECT * FROM my_temp_table", session_id=session_a) == "10\n"
def test_no_session():
e = query_and_get_error("SET custom_x=1")
assert "There is no session" in e.display_text
e = query_and_get_error("CREATE TEMPORARY TABLE my_temp_table(a Int8)")
assert "There is no session" in e.display_text
def test_input_function():
query("CREATE TABLE t (a UInt8) ENGINE = Memory")
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"],
)
assert query("SELECT a FROM t ORDER BY a") == "20\n88\n120\n"
query(
"INSERT INTO t SELECT col1 * col2 FROM input('col1 UInt8, col2 UInt8') FORMAT CSV 11,13"
)
assert query("SELECT a FROM t ORDER BY a") == "20\n88\n120\n143\n"
query(
"INSERT INTO t SELECT col1 * col2 FROM input('col1 UInt8, col2 UInt8') FORMAT CSV 20,10\n",
input_data="15,15\n",
)
assert query("SELECT a FROM t ORDER BY a") == "20\n88\n120\n143\n200\n225\n"
def test_external_table():
columns = [
clickhouse_grpc_pb2.NameAndType(name="UserID", type="UInt64"),
clickhouse_grpc_pb2.NameAndType(name="UserName", type="String"),
]
ext1 = clickhouse_grpc_pb2.ExternalTable(
name="ext1",
columns=columns,
data=b"1\tAlex\n2\tBen\n3\tCarl\n",
format="TabSeparated",
)
assert (
query("SELECT * FROM ext1 ORDER BY UserID", external_tables=[ext1])
== "1\tAlex\n"
"2\tBen\n"
"3\tCarl\n"
)
ext2 = clickhouse_grpc_pb2.ExternalTable(
name="ext2", columns=columns, data=b"4,Daniel\n5,Ethan\n", format="CSV"
)
assert (
query(
"SELECT * FROM (SELECT * FROM ext1 UNION ALL SELECT * FROM ext2) ORDER BY UserID",
external_tables=[ext1, ext2],
)
== "1\tAlex\n"
"2\tBen\n"
"3\tCarl\n"
"4\tDaniel\n"
"5\tEthan\n"
)
unnamed_columns = [
clickhouse_grpc_pb2.NameAndType(type="UInt64"),
clickhouse_grpc_pb2.NameAndType(type="String"),
]
unnamed_table = clickhouse_grpc_pb2.ExternalTable(
columns=unnamed_columns, data=b"6\tGeorge\n7\tFred\n"
)
assert (
query("SELECT * FROM _data ORDER BY _2", external_tables=[unnamed_table])
== "7\tFred\n"
"6\tGeorge\n"
)
def test_external_table_streaming():
columns = [
clickhouse_grpc_pb2.NameAndType(name="UserID", type="UInt64"),
clickhouse_grpc_pb2.NameAndType(name="UserName", type="String"),
]
def send_query_info():
yield clickhouse_grpc_pb2.QueryInfo(
query="SELECT * FROM exts ORDER BY UserID",
external_tables=[
clickhouse_grpc_pb2.ExternalTable(
name="exts", columns=columns, data=b"1\tAlex\n2\tBen\n3\tCarl\n"
)
],
next_query_info=True,
)
yield clickhouse_grpc_pb2.QueryInfo(
external_tables=[
clickhouse_grpc_pb2.ExternalTable(
name="exts", data=b"4\tDaniel\n5\tEthan\n"
)
]
)
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
result = stub.ExecuteQueryWithStreamInput(send_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_simultaneous_queries_same_channel():
threads = []
try:
for i in range(0, 100):
thread = QueryThread(
"SELECT sum(number) FROM numbers(10)",
expected_output="45\n",
query_id="sqA" + str(i),
)
threads.append(thread)
thread.start()
finally:
for thread in threads:
thread.join()
def test_simultaneous_queries_multiple_channels():
threads = []
try:
for i in range(0, 100):
thread = QueryThread(
"SELECT sum(number) FROM numbers(10)",
expected_output="45\n",
query_id="sqB" + str(i),
use_separate_channel=True,
)
threads.append(thread)
thread.start()
finally:
for thread in threads:
thread.join()
def test_cancel_while_processing_input():
query("CREATE TABLE t (a UInt8) ENGINE = Memory")
def send_query_info():
yield clickhouse_grpc_pb2.QueryInfo(
query="INSERT INTO t FORMAT TabSeparated",
input_data=b"1\n2\n3\n",
next_query_info=True,
)
yield clickhouse_grpc_pb2.QueryInfo(
input_data=b"4\n5\n6\n", next_query_info=True
)
yield clickhouse_grpc_pb2.QueryInfo(cancel=True)
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
result = stub.ExecuteQueryWithStreamInput(send_query_info())
assert result.cancelled == True
def test_cancel_while_generating_output():
def send_query_info():
yield clickhouse_grpc_pb2.QueryInfo(
query="SELECT number, sleep(0.2) FROM numbers(10) SETTINGS max_block_size=2"
)
time.sleep(0.5)
yield clickhouse_grpc_pb2.QueryInfo(cancel=True)
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
results = list(stub.ExecuteQueryWithStreamIO(send_query_info()))
assert len(results) >= 1
assert results[-1].cancelled == True
output = b""
for result in results:
output += result.output
assert output == b"0\t0\n1\t0\n2\t0\n3\t0\n"
def test_compressed_output():
query_info = clickhouse_grpc_pb2.QueryInfo(
query="SELECT 0 FROM numbers(1000)", output_compression_type="lz4"
)
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
result = stub.ExecuteQuery(query_info)
assert lz4.frame.decompress(result.output) == (b"0\n") * 1000
def test_compressed_output_streaming():
query_info = clickhouse_grpc_pb2.QueryInfo(
query="SELECT 0 FROM numbers(100000)", output_compression_type="lz4"
)
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
d_context = lz4.frame.create_decompression_context()
data = b""
for result in stub.ExecuteQueryWithStreamOutput(query_info):
d1, _, _ = lz4.frame.decompress_chunk(d_context, result.output)
data += d1
assert data == (b"0\n") * 100000
def test_compressed_output_gzip():
query_info = clickhouse_grpc_pb2.QueryInfo(
query="SELECT 0 FROM numbers(1000)",
output_compression_type="gzip",
output_compression_level=6,
)
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
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",
output_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"},
output_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,
input_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_transport_compression():
query_info = clickhouse_grpc_pb2.QueryInfo(
query="SELECT 0 FROM numbers(1000000)",
transport_compression_type="gzip",
transport_compression_level=3,
)
stub = clickhouse_grpc_pb2_grpc.ClickHouseStub(main_channel)
result = stub.ExecuteQuery(query_info)
assert result.output == (b"0\n") * 1000000
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 operation_name='query'"
)
== "SELECT 1\tsome custom state\n"
)
def test_restart():
assert query("SELECT 1") == "1\n"
node.restart_clickhouse()
assert query("SELECT 2") == "2\n"