Odoo
Mastering Odoo 11.0 Development
Mohamed Magdy

CRUD
● CRUD is stands for the 4 main operations
that performed by Odoo framework.
● The CRUD paradigm is common in
constructing web applications, because it
provides a memorable framework for
reminding developers of how to construct
full, usable models.

CRUD
● SQL still an option for the DB operations but
not recommended as it will omit the security
considerations and data validation.
● Using the ORM framework will ensure of the
targeted records and that the user has a
sufficient permissions to perform such
operation.

CRUD in Odoo
● As any other Framework, CRUD is
implemented and ready to be used in Odoo
by default. All you need is to have an object
that inherits models.Model:

CRUD in Odoo
● C: Stands for Create. It refers to the
operation of creating new records in DB.
● In Odoo, you can create new records using
the method create()
● create(), according to Odoo:
Creates a new record for the model.
The new record is initialized using the values from ``vals`` and if
necessary those from :meth:`~.default_get`.

CRUD in Odoo
● R: Stands for Read. It refers to the operation
of Reading existing records in DB.
● In Odoo, you can find/read existing records
using the methods search(), read(),
search_read() and browse().
To be continued ...

CRUD in Odoo
● R: Stands for Read. It refers to the operation
of Reading existing records in DB.
● search(), according to Odoo:
Searches for records based on the ``args``
:returns: at most ``limit`` records matching the search criteria

CRUD in Odoo
● R: Stands for Read. It refers to the operation
of Reading existing records in DB.
● read(), according to Odoo:
Reads the requested fields for the records in ``self``, low-level/RPC
method. In Python code, prefer :meth:`~.browse`.
:return: a list of dictionaries mapping field names to their values,
with one dictionary per record

CRUD in Odoo
● R: Stands for Read. It refers to the operation
of Reading existing records in DB.
● search_read(), according to Odoo:
Performs a ``search()`` followed by a ``read()``.
:return: List of dictionaries containing the asked fields.

CRUD in Odoo
● R: Stands for Read. It refers to the operation
of Reading existing records in DB.
● browse(), according to Odoo:
Returns a recordset for the ids provided as parameter in the current
environment.
Can take no ids, a single id or a sequence of ids.

CRUD in Odoo
● U: Stands for Update. It refers to the
operation of Updating existing records in DB.
● In Odoo, you can update existing records
using the method write().
● write(), according to Odoo:
Updates all records in the current set with the provided values.

CRUD in Odoo
● D: Stands for Delete. It refers to the
operation of Deleting existing records in DB.
● In Odoo, you can Delete existing records
using the method unlink().
● unlink(), according to Odoo:
Deletes the records of the current set

Odoo
Mastering Odoo 11.0 Development
Mohamed Magdy