to_ck/v2/db.py
2021-04-24 16:00:28 +08:00

35 lines
974 B
Python

__all__ = 'CK',
from datetime import datetime
from datetime import timedelta
from clickhouse_driver import Client
class CK(Client):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def get_one(self, db, tb, **where) -> dict:
"""
注意 还原时区
:param db:
:param tb:
:param where:
:return:
"""
sql = f"select * from {db}.{tb} where 1"
for k, v in where.items():
sql += f" and `{k}`='{v}'"
sql += ' limit 1'
data, columns = self.execute(sql, with_column_types=True)
res = dict()
if data:
data = {k[0]: v for k, v in zip(columns, data[0])}
for k, v in data.items():
if isinstance(v, datetime):
res[k] = (v + timedelta(hours=data['#zone_offset'])).strftime('%Y-%m-%d %H:%M:%S')
else:
res[k] = v
return res