Flask-SQLAlchemy, and many other ORMs, refer to the process of adding sample data to the database as "seeding" the database. In this lesson, we'll see some of the conventions and built-in features ...

from typing import Iterable from pgvector. sqlalchemy import Vector from sqlalchemy. dialects. postgresql import JSONB from sqlalchemy. orm import Mapped, mapped_column from flask_app import db class ...

Python 中也有类似的 ORM 框架，叫 SQLAlchemy。 本篇我们将介绍 Flask 中支持 SQLAlchemy 框架的第三方扩展，Flask-SQLAlchemy。 安装和启用 在阅读此文之前，强烈建议读者先了解 SQLAlchemy 的基本知识。 我们依然通过 pip 安装： $ pip install Flask-SQLAlchemy ...