add unique constraint to an existing database

Question

Hi,
_sql_constraints = [('name_uniq', ...]  for work fine in a new database[empty], but for an existing db it didn't work, is there any way to applied it to an existing db
Regards,

Giezel Esteves · Answer

Please refer to this one
https://www.odoo.com/forum/help-1/question/why-sql-constraints-not-working-39549

Benoît Vézina · Answer

Well you have to add pre_init_hook function in the __init__ to sanitize your field before applying the sql constraint.
so in the python function be sure to check if all records meet the new condition and automate fixed for those who wont comply.
Then you gonna be able to apply the constrain

Це запитання позначене

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