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posthog/ee/clickhouse/client.py
2020-11-02 14:55:20 +00:00

78 lines
2.0 KiB
Python

import asyncio
from aioch import Client
from asgiref.sync import async_to_sync
from clickhouse_driver import Client as SyncClient
from clickhouse_pool import ChPool
from posthog.settings import (
CLICKHOUSE,
CLICKHOUSE_ASYNC,
CLICKHOUSE_CA,
CLICKHOUSE_DATABASE,
CLICKHOUSE_HOST,
CLICKHOUSE_PASSWORD,
CLICKHOUSE_SECURE,
CLICKHOUSE_VERIFY,
PRIMARY_DB,
TEST,
)
if PRIMARY_DB != CLICKHOUSE:
ch_client = None # type: Client
ch_sync_pool = None # type: ChPool
def async_execute(query, args=None):
return
def sync_execute(query, args=None):
return
else:
if not TEST and CLICKHOUSE_ASYNC:
ch_client = Client(
host=CLICKHOUSE_HOST,
database=CLICKHOUSE_DATABASE,
secure=CLICKHOUSE_SECURE,
password=CLICKHOUSE_PASSWORD,
ca_certs=CLICKHOUSE_CA,
verify=CLICKHOUSE_VERIFY,
)
@async_to_sync
async def async_execute(query, args=None):
loop = asyncio.get_event_loop()
task = loop.create_task(ch_client.execute(query, args))
return task
else:
# if this is a test use the sync client
ch_client = SyncClient(
host=CLICKHOUSE_HOST,
database=CLICKHOUSE_DATABASE,
secure=CLICKHOUSE_SECURE,
password=CLICKHOUSE_PASSWORD,
ca_certs=CLICKHOUSE_CA,
verify=CLICKHOUSE_VERIFY,
)
def async_execute(query, args=None):
return sync_execute(query, args)
ch_sync_pool = ChPool(
host=CLICKHOUSE_HOST,
database=CLICKHOUSE_DATABASE,
secure=CLICKHOUSE_SECURE,
password=CLICKHOUSE_PASSWORD,
ca_certs=CLICKHOUSE_CA,
verify=CLICKHOUSE_VERIFY,
connections_min=20,
connections_max=100,
)
def sync_execute(query, args=None):
with ch_sync_pool.get_client() as client:
result = client.execute(query, args)
return result