Book Image

CakePHP 2 Application Cookbook

By : James Watts, Cake Software Foundation, Inc.
Book Image

CakePHP 2 Application Cookbook

By: James Watts, Cake Software Foundation, Inc.

Overview of this book

Table of Contents (20 chapters)
CakePHP 2 Application Cookbook
Credits
Foreword
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Index

Using transactions


Saving data for several models at once could lead to orphaned data if some validation breaks along the way. It's always good practice to use atomic save operations when related data needs to make it to the database together.

CakePHP provides the saveAssociated(), saveMany(), and saveAll() model methods to store your data using an atomic operation, but sometimes, you'll want to use a database transaction to manage it. Find more details on these methods at http://book.cakephp.org/2.0/en/models/saving-your-data.html#model-savemany-array-data-null-array-options-array.

Note

Your database tables must allow transactions. For example, the InnoDB storage engine, which ships with MySQL, implements transactions. Please check your database documentation to confirm if your current storage engine allows transactions.

Getting ready

For this recipe, we'll use the packages and warehouses tables and related models from previous recipes, where Package hasMany Stock (or where Stock is defined...