Flask - Ecosystem and Patterns
How would you correctly implement a repository method in Flask to retrieve all entries from a SQLAlchemy model named
Product?How would you correctly implement a repository method in Flask to retrieve all entries from a SQLAlchemy model named Product?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify method goal
The method should fetch all records from the Product model.Step 2: Use SQLAlchemy query
Product.query.all()returns all records as a list.Final Answer:
def get_all_products(self): return Product.query.all() -> Option BQuick Check:
Use.all()to fetch all records [OK]
Quick Trick: Use .all() to fetch all model records [OK]
Common Mistakes:
MISTAKES- Using .first() returns only one record
- Using .one() expects exactly one record
- Using .get() requires a primary key argument
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