[Solved] Examine this repository method in Flask:def save_product(self, product): db.session.add(product) db.session.commitWhat is the issue with this code? | Flask

Flask - Ecosystem and Patterns

Examine this repository method in Flask:

def save_product(self, product):
    db.session.add(product)
    db.session.commit

What is the issue with this code?

Adb.session.commit should be replaced with db.session.flush.

BThe add method should be called with parentheses.

CThe product should be converted to a dictionary before adding.

DThe commit method is not called; parentheses are missing after commit.

Step-by-Step Solution

Solution:

Step 1: Review commit usage
In SQLAlchemy, commit is a method and must be called with parentheses.
Step 2: Identify error
The code uses db.session.commit without parentheses, so commit is not executed.
Final Answer:
The commit method is not called; parentheses are missing after commit. -> Option D
Quick Check:
Always call commit() with parentheses [OK]

Quick Trick: commit must be called as a method with () [OK]

Common Mistakes:

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