The `db.Session.rollback` is a function in Python that is used to rollback (undo) any changes made within a session in a database. It allows the user to revert the data back to its previous state and discard any modifications that were made but not yet committed. This function is helpful when an error or unexpected behavior occurs and the user wants to undo the changes before they are permanently saved in the database.
Python Session.rollback - 24 examples found. These are the top rated real world Python examples of db.Session.rollback extracted from open source projects. You can rate examples to help us improve the quality of examples.