sqlalchemy#

First try on Quart an asyncio re-implementation of Flask

Flask is a little bit old-fashioned today (I know it's still widely used), as it's not async native, among others. When I prepared my fastapi-demo this weekend, I discovered a new framework called Quart, which is maintained by Pallet Project, the same community maintaining Flask. They said "Quart is an asyncio re-implementation of the popular Flask micro framework API. This means that if you understand Flask you understand Quart.". So I decided to give it a try.

Sqlalchemy eager loading

This posts describes the differences on selectinload, joinedload, subqueryload, these 3 popular eager loading techniques in Sqlalchemy (so as to SQLModel)

Compiling SQLAlchemy query to nearly real raw sql query

SQLAlchemy mixin in method

If I'm not wrong, the SQLAlchemy official doc provides some examples to explain how to share a set of common columns, some common table options, or other mapped properties, across many classes. But I cannot find how to share common methods (e.g. your customized to_dict() method). This post will just show you a POC to achieve this goal by using Python Mixin.

Using Python SQLAlchemy session in multithreading

SQLAlchemy DB session is not thread safe. In this post, I will show you 2 ways to use it in a multithreading context.