Constrain in Odoo

Hello Odooers, Odoogig and Odoo Lovers,

In this Odoo Techniacl Tutorial I would like to explain how to use @api Constrain in Odoo

  • In general term Constrain means force to follow some particular action
  • In odoo we use constrain to put some kind of restriction
  • For example, citizen under 18 age are not allowed for voting. So putting this type of restriction we use constrains on some field in odoo
  • In above case we must use constrain on age field
  • @api.constrains decorator is used to put restriction on field
 #odoo #odoo12.0 #constrain #alert #warning #learnodoo
Syntax

Example

  • So whenever you enter age less than 18 and try to save the record  system will restrict you with error message as shown in above example

 

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