1/17/2024 0 Comments Sqlalchemy sqlite schema blank![]() The blog table will have a foreign key to the User table and these foreign keys will be used to identify who is the blog poster.is_active columns will be used to control if the blog post will be visible on the website or not.The 'title' column represents the blog title and it can store strings.Each property or attribute of this class is translated into a column in the table. We have our Base class in 'base_class.py' and we are inheriting it to have a class-based representation of tables.in Postgres " double quotes are not recognized and we have to use ' single quotes. Because each database has a different set of protocols/rules. Remember in the last post I told you a story that it's we use raw SQL queries like "Select * from Blog".Ok, now let's understand what we just did and why: Is_active = Column(Boolean, default=False) Type in the following code in db > models > blog.py, type,□ no cheating, no copy-paste! from datetime import datetimeįrom sqlalchemy import Column, Integer, Text, String, Boolean, DateTime, ForeignKeyĪuthor_id = Column(Integer,ForeignKey("user.id"))Īuthor = relationship("User",back_populates="blogs")Ĭreated_at = Column(DateTime, default=datetime.now) Create the models directory to hold the class equivalent of DB tables. Make sure you have this folder structure. So, let's begin to create database tables. ![]() I just wanted to bring to your notice that we need to query data from database tables in almost all web apps. It might so happen that you don't understand Schemas, Routers, and Models but don't panic. It's a good chance to showcase that you know middleware, its usage, and advanced stuff !!īelow is a demonstration of the request flow. "Explain the request-response cycle of Django?". During my job search, I was asked this question around 90% of the time. It is actually a very popular interview question. ![]() A request-response cycle explains the journey of the browser making a request and FastAPI sending back a response. Before We talk about databases tables and all, I want to share a very simplistic view of the FastAPI request-response cycle.
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