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Odoo 12 Development Essentials

You're reading from   Odoo 12 Development Essentials Fast-track your Odoo development skills to build powerful business applications

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Product type Paperback
Published in Dec 2018
Publisher Packt
ISBN-13 9781789532470
Length 404 pages
Edition 4th Edition
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Author (1):
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Daniel Reis Daniel Reis
Author Profile Icon Daniel Reis
Daniel Reis
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Toc

Table of Contents (17) Chapters Close

Preface 1. Quick Start Using the Developer Mode FREE CHAPTER 2. Preparing the Development Environment 3. Your First Odoo Application 4. Extending Modules 5. Import, Export, and Module Data 6. Models – Structuring the Application Data 7. Recordsets – Working with Model Data 8. Business Logic – Supporting Business Processes 9. External API – Integrating with Other Systems 10. Backend Views – Designing the User Interface 11. Kanban Views and Client-Side QWeb 12. Reports and Server-Side QWeb 13. Creating Website Frontend Features 14. Deploying and Maintaining Production Instances 15. Assessments 16. Other Books You May Enjoy

Writing on records


We have two different ways to write on records—using object-style direct assignment and using the write() method. The first one is simpler to use but only works with one record at a time and can be less efficient. Since each assignment performs a write operation, redundant recomputations may happen. The latter requires special syntax to write on relation fields, but a single command can write on several fields and records, and more efficient field recomputations.

Writing with object-style value assignment

Recordsets implement the active record pattern. This means that we can assign values to them, and these changes will be made persistent in the database. This is an intuitive and convenient way to manipulate data, but only works with one field and one record at a time.

 

Here is an example:

>>> root = self.env['res.users'].browse(1)
>>> print(root.name) 
OdooBot
>>> root.name = 'Superuser'
>>> print(root.name) 
Superuser

While using the active...

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