2021-11-24 09:34:09 +01:00

22 lines
640 B
Python

import json
from typing import Sequence
from pydantic import BaseModel
from sqlalchemy import delete
from mev_inspect.models.base import Base
async def delete_by_block_number(db_session, block_number: int, model: Base):
statement = delete(model).where(model.block_number == block_number)
await db_session.execute(statement)
await db_session.commit()
await db_session.flush()
async def write_models(db_session, models: Sequence[BaseModel], db_model: Base):
models = [db_model(**json.loads(model.json())) for model in models]
db_session.add_all(models)
await db_session.commit()
await db_session.flush()