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Flask-SQLAlchemy relationship query returns empty when filtering by related model's field

👀 Views: 0 💬 Answers: 1 📅 Created: 2025-06-06
Flask SQLAlchemy Database

I'm working on a Flask application using Flask-SQLAlchemy 2.5.1. I have two models: `Author` and `Book`, where each `Author` can have multiple `Books`. My goal ...