March 2018
Beginner to intermediate
336 pages
8h 22m
English
Content preview from Odoo 11 Development Essentials - Third Edition
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Many-to-one relationships
The Many2one relationship accepts two positional arguments: the related model (corresponding to the comodel keyword argument) and the title string. It creates a field in the database table with a foreign key to the related table.
Some additional named arguments are also available to use with this type of field:
- ondelete defines what happens when the related record is deleted. Its default is set null, meaning that an empty value is set when the related record is deleted. Other possible values are restricted, raising an error preventing the deletion, and cascade, which also deletes this record.
- context is a dictionary of data, meaningful for the web client views, to carry information when navigating through the relationship, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.