mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-16 11:22:12 +00:00
231 lines
5.1 KiB
Python
231 lines
5.1 KiB
Python
import datetime
|
|
|
|
import redis
|
|
import pytest
|
|
import sys
|
|
import struct
|
|
|
|
from helpers.client import QueryRuntimeException
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.test_tools import TSV
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
|
|
node = cluster.add_instance("node", with_redis=True)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
yield cluster
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def get_redis_connection(db_id=0):
|
|
client = redis.Redis(
|
|
host="localhost", port=cluster.redis_port, password="clickhouse", db=db_id
|
|
)
|
|
return client
|
|
|
|
|
|
def get_address_for_ch():
|
|
return cluster.redis_host + ":6379"
|
|
|
|
|
|
# see SerializationString.serializeBinary
|
|
def serialize_binary_for_string(x):
|
|
var_uint_max = (1 << 63) - 1
|
|
buf = bytearray()
|
|
# write length
|
|
length = len(x)
|
|
# length = (length << 1) ^ (length >> 63)
|
|
if length > var_uint_max:
|
|
raise ValueError("Value too large for varint encoding")
|
|
for i in range(9):
|
|
byte = length & 0x7F
|
|
if length > 0x7F:
|
|
byte |= 0x80
|
|
buf += bytes([byte])
|
|
length >>= 7
|
|
if not length:
|
|
break
|
|
# write data
|
|
buf += x.encode("utf-8")
|
|
return bytes(buf)
|
|
|
|
|
|
# see SerializationNumber.serializeBinary
|
|
def serialize_binary_for_uint32(x):
|
|
buf = bytearray()
|
|
packed_num = struct.pack("I", x)
|
|
buf += packed_num
|
|
if sys.byteorder != "little":
|
|
buf.reverse()
|
|
return bytes(buf)
|
|
|
|
|
|
def test_simple_select(started_cluster):
|
|
client = get_redis_connection()
|
|
address = get_address_for_ch()
|
|
|
|
# clean all
|
|
client.flushall()
|
|
|
|
data = {}
|
|
for i in range(100):
|
|
packed = serialize_binary_for_string(str(i))
|
|
data[packed] = packed
|
|
|
|
client.mset(data)
|
|
client.close()
|
|
|
|
response = TSV.toMat(
|
|
node.query(
|
|
f"""
|
|
SELECT
|
|
key, value
|
|
FROM
|
|
redis('{address}', 'key', 'key String, value String', 0, 'clickhouse', 10)
|
|
WHERE
|
|
key='0'
|
|
FORMAT TSV
|
|
"""
|
|
)
|
|
)
|
|
|
|
assert len(response) == 1
|
|
assert response[0] == ["0", "0"]
|
|
|
|
response = TSV.toMat(
|
|
node.query(
|
|
f"""
|
|
SELECT
|
|
*
|
|
FROM
|
|
redis('{address}', 'key', 'key String, value String', 0, 'clickhouse', 10)
|
|
ORDER BY
|
|
key
|
|
FORMAT TSV
|
|
"""
|
|
)
|
|
)
|
|
|
|
assert len(response) == 100
|
|
assert response[0] == ["0", "0"]
|
|
|
|
|
|
def test_create_table(started_cluster):
|
|
client = get_redis_connection()
|
|
address = get_address_for_ch()
|
|
|
|
# clean all
|
|
client.flushall()
|
|
client.close()
|
|
|
|
node.query(
|
|
f"""
|
|
SELECT
|
|
*
|
|
FROM
|
|
redis('{address}', 'k', 'k String, v UInt32', 0, 'clickhouse', 10)
|
|
"""
|
|
)
|
|
|
|
# illegal data type
|
|
with pytest.raises(QueryRuntimeException):
|
|
node.query(
|
|
f"""
|
|
SELECT
|
|
*
|
|
FROM
|
|
redis('{address}', 'k', 'k not_exist_type, v String', 0, 'clickhouse', 10)
|
|
"""
|
|
)
|
|
|
|
# illegal key
|
|
with pytest.raises(QueryRuntimeException):
|
|
node.query(
|
|
f"""
|
|
SELECT
|
|
*
|
|
FROM
|
|
redis('{address}', 'not_exist_key', 'k not_exist_type, v String', 0, 'clickhouse', 10)
|
|
"""
|
|
)
|
|
|
|
|
|
def test_data_type(started_cluster):
|
|
client = get_redis_connection()
|
|
address = get_address_for_ch()
|
|
|
|
# string
|
|
client.flushall()
|
|
value = serialize_binary_for_string("0")
|
|
client.set(value, value)
|
|
|
|
response = TSV.toMat(
|
|
node.query(
|
|
f"""
|
|
SELECT
|
|
*
|
|
FROM
|
|
redis('{address}', 'k', 'k String, v String', 0, 'clickhouse', 10)
|
|
WHERE
|
|
k='0'
|
|
FORMAT TSV
|
|
"""
|
|
)
|
|
)
|
|
|
|
assert len(response) == 1
|
|
assert response[0] == ["0", "0"]
|
|
|
|
# number
|
|
client.flushall()
|
|
value = serialize_binary_for_uint32(0)
|
|
client.set(value, value)
|
|
|
|
response = TSV.toMat(
|
|
node.query(
|
|
f"""
|
|
SELECT
|
|
*
|
|
FROM
|
|
redis('{address}', 'k', 'k UInt32, v UInt32', 0, 'clickhouse', 10)
|
|
WHERE
|
|
k=0
|
|
FORMAT TSV
|
|
"""
|
|
)
|
|
)
|
|
|
|
assert len(response) == 1
|
|
assert response[0] == ["0", "0"]
|
|
|
|
# datetime
|
|
client.flushall()
|
|
# clickhouse store datatime as uint32 in internal
|
|
dt = datetime.datetime(2023, 6, 1, 0, 0, 0)
|
|
seconds_since_epoch = dt.timestamp()
|
|
value = serialize_binary_for_uint32(int(seconds_since_epoch))
|
|
client.set(value, value)
|
|
|
|
response = TSV.toMat(
|
|
node.query(
|
|
f"""
|
|
SELECT
|
|
*
|
|
FROM
|
|
redis('{address}', 'k', 'k DateTime, v DateTime', 0, 'clickhouse', 10)
|
|
WHERE
|
|
k='2023-06-01 00:00:00'
|
|
FORMAT TSV
|
|
"""
|
|
)
|
|
)
|
|
|
|
assert len(response) == 1
|
|
assert response[0] == ["2023-06-01 00:00:00", "2023-06-01 00:00:00"]
|