Files
pytorch/tools/testing/clickhouse.py
2025-02-27 21:01:10 +00:00

40 lines
1.2 KiB
Python

import json
import os
from functools import lru_cache
from typing import Any
import clickhouse_connect # type: ignore[import]
@lru_cache(maxsize=1)
def get_clickhouse_client() -> Any:
endpoint = os.environ["CLICKHOUSE_ENDPOINT"]
# I cannot figure out why these values aren't being handled automatically
# when it is fine in the lambda
endpoint = endpoint.removeprefix("https://")
endpoint = endpoint.removesuffix(":8443")
return clickhouse_connect.get_client(
host=endpoint,
user=os.environ["CLICKHOUSE_USERNAME"],
password=os.environ["CLICKHOUSE_PASSWORD"],
secure=True,
interface="https",
port=8443,
)
def query_clickhouse(query: str, params: dict[str, Any]) -> list[dict[str, Any]]:
"""
Queries ClickHouse. Returns datetime in YYYY-MM-DD HH:MM:SS format.
"""
def convert_to_json_list(res: bytes) -> list[dict[str, Any]]:
rows = []
for row in res.decode().split("\n"):
if row:
rows.append(json.loads(row))
return rows
res = get_clickhouse_client().raw_query(query, params, fmt="JSONEachRow")
return convert_to_json_list(res)