How can I enforce fields to only allow unique values?

Question

bit of a newbie here so sorry if this question isn't good.

There are many fields in odoo that I would like to enforce unique data - eg Product Name, Category, Internal Ref etc...may other fields and modules.

Do I have to modify all the python object modules throughout odoo with SQL Contraints????  I was expecting just to check a box against a field to make it unique!

If I do have to add a python SQL constraints in python modules am I best to modify the odoo modules, or should I inherit the st

Agile · Answer

An example to use check whether data is unique in a field.

_sql_constraints = [
('field_name', 'unique (field_name)', 'The field  must be unique  !')
]

Ludo - 21South · Answer

Yes, you must unfortunately bring in custom code and (SQL) constraints for this. That is nearly always a given.

Due to the modular setup of Odoo the best way to modify code is as you suggested in your second statement, by using the way of inheriting models and adding/removing code in your own custom module. It is really simple to do, so you should have no trouble doing so.

Example for "old" (read: current) ORM is like so:

class my_partner(osv.osv)

_name = "res.partner"

_inherit = "res.partn

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