Session = sessionmaker(bind=engine) """ # 线程安全,基于本地线程实现每个线程用同一个session # 特殊的:scoped_session中有原来方法的Session中的一下方法: public_methods = ( '__contains__', '__iter__', 'add', 'add_all', 'begin', 'begin_nested', 'close', 'commit', 'connection', 'd...
engine = create_engine(SQLALCHEMY_DATABASE_URL, pool_pre_ping=True, pool_size=50, pool_timeout=30, pool_recycle=1) SessionLocal = sessionmaker(autocommit=False, autoflush=True, bind=engine) session = scoped_session(SessionLocal) Base = declarative_base() defget_db(): db = session try: ...
from sqlalchemy.orm import sessionmaker, scoped_session, Session from typing import List, Optional, Set, Any, Dict, TypeVar, Generic, Callable, Union, AnyStr, Sequence, Tuple, FrozenSet, ClassVar, from fastapi.security import OAuth2PasswordRequestForm, OAuth2PasswordBearer from fastapi_users import...
from sqlalchemy.ormimportsessionmaker,scoped_session from Configimportconfigifconfig.DBType=='sqlite':# 使用SQLite数据库SQLALCHEMY_DATABASE_URL=f"sqlite:///{config.DataBase}"engine=create_engine(SQLALCHEMY_DATABASE_URL,connect_args={"check_same_thread":False})SessionLocal=sessionmaker(autocommit=Fa...
session.close() # 把连接还到连接池 # ### 方式 2 ### # 实现原理就是内部 实现 theding_local(0 SessionFactory = sessionmaker(bind=engine) session = scoped_session(SessionFactory) def task(): ret = session.query(Student).all() return...
Hi guys, this is based on the discussion here: #104 . I tried a few benchmarks, with: Depends SessionManager Another implementation with scoped_session that I'll describe I found out that - as seen by others - Depends doesn't work under ...
Field, SQLModel, create_engineclassUserBase(SQLModel): id: int = Field(default=None, primary_key=True) name: str age: int = Field(default=None, nullable=True)classUser(UserBase, table=True):pass创建数据库和表：from fastapi import FastAPIfrom sqlmodel import SQLModel, Sessionapp ...
发现了一篇 sqlalchemy 多线程 创建session:https://blog.csdn.net...import sessionmaker, scoped_session from Config import config if config.DBType == 'sqlite': # 使用...False}) SessionLocal = sessionmaker(autocommit=False, autoflush=True, bind=engine) else: # 使用...(): db = session try...
SessionLocal = sessionmaker(bind=engine, autocommit=False, autoflush=False, class_=AsyncSession) db_session = async_scoped_session(SessionLocal, scopefunc=current_task) db_session = async_scoped_session(SessionLocal, scopefunc=current_task) ##创建metadata操作对象 12 changes: 8 additions & 4 del...
yield session 实现CRUD操作: from fastapi import Depends, HTTPException, status@app.post("/users/", response_model=User)def create_user(user: UserBase, session: Session = Depends(get_session)): session.add(user) session.commit() session.refresh(user) return user@app.get("/users/{user_id}"...