What are some tips for debugging SQLAlchemy issues?

What are some tips for debugging SQLAlchemy issues?

Here are a few tips for debugging SQLAlchemy issues:

1. Check your connection string for errors.
2. Use the echo=True flag to see the generated SQL queries.
3. Utilize the SQLAlchemy logging to capture detailed error messages.
4. Inspect the session state and transaction status.
5. Use the session.rollback() method to revert changes if needed.

How can I enable logging in SQLAlchemy?

You can enable logging in SQLAlchemy by configuring the logging module in Python. Here's a simple example:

import logging
logging.basicConfig()
logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)

This will log all SQL statements executed by SQLAlchemy.

What should I do if I encounter a 'NoSuchTableError'?

A 'NoSuchTableError' usually means that the table you're trying to access doesn't exist in the database. Here are some steps to troubleshoot:

1. Verify the table name and ensure it's spelled correctly.
2. Check if the table was created in the database.
3. Ensure you're connected to the correct database.

Can you explain how to use the session.commit() method?

The session.commit() method is used to save all the changes made in the current session to the database. It finalizes the transaction. If you encounter any errors during the commit, you can use session.rollback() to revert the changes.