On 5 août 2010, at 01:35, Samuel Clay <sam...@ofbrooklyn.com> wrote: > I have a field that has a max_length set. When I save a model instance, and > the field's value is > than max_length, Django enforces that max_length at > the database level. (See Django docs on models: > http://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.CharField.max_length) > > However, since I am using Postgres, I receive a DatabaseError exception like > this: > DatabaseError: value too long for type character varying(1000) > > I would prefer to instead auto-truncate the value (so I don't have an > exception). Now, I can do this manually, but what I would really want is to > have all of my models auto-truncate the value. (Not necessarily > intelligently. Just cutting it off at the 999th character is fine.) > > Should I just write a custom class that imports from models.Model and > override the save() method, looping through each _meta.field, checking for > the max_length, and then truncating? That seems inelegant and there must be a > better way. Why not just create a custom field called e.g. DataCorruptingCharField which would silently perform this operation for you?
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