Odoo 12 Development Cookbook - Third Edition

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The Many2one fields support an additional auto_join attribute. This is a flag that allows the ORM to use SQL joins on this field. Due to this, it bypasses the usual ORM control, such as user access control and record access rules. In specific cases, it can solve performance issues, but it is advised to avoid using it.

We have covered the shortest way to define the relational fields. Let's take a look at the attributes specific to this type of field.

The One2many field attributes are as follows:

• comodel_name: This is the target model identifier and is mandatory for all relational fields, but it can be defined position-wise, without the keyword
• inverse_name: This only applies to One2many and is the field name in the target ...