Hi, All models have some special fields, like write_date , create_date , id ,... But I have some issues with these fields: There's no ir.model.fields entry for them, so we can't have a reference to them If I inherit a model in a specific module and explicitly specify them, they will be accessible as ir.field *but* if I remove this module, OpenERP will remove these fields on the database (and not on the model...) Is there any solution to have a reference on ir.model.fields to them and keep the

why special columns are not handled as other fields ?

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Hi,

All models have some special fields, like write_date, create_date, id,...

But I have some issues with these fields:

There's no ir.model.fields entry for them, so we can't have a reference to them
If I inherit a model in a specific module and explicitly specify them, they will be accessible as ir.field but if I remove this module, OpenERP will remove these fields on the database (and not on the model...)

Is there any solution to have a reference on ir.model.fields to them and keep them even if the module that use this reference is removed ?

Hello; When it's an inherited columns, i think we must put a constraint on it ( like ON DELETE NO ACTION and ON UPDATE SET NULL ......)

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