#11866: non-null FK to a CharField primary key fails when key value is the empty
string, giving "[model.fk_col] may not be NULL"
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Reporter: andrewbadr | Owner: andrewbadr
Status: new | Milestone:
Component: Database layer (models, ORM) | Version: 1.1
Resolution: | Keywords:
Stage: Unreviewed | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Changes (by andrewbadr):
* needs_better_patch: => 0
* needs_tests: => 0
* needs_docs: => 0
Comment:
Seems to be caused by `ForeignKey.get_db_prep_save` (called from
`Model.save_base`):
{{{
def get_db_prep_save(self, value):
if value == '' or value == None:
return None
...
}}}
Unsure where to go since I don't know the reasoning behind this code. Is
this due to forms assigning the empty-string to fields left blank?
--
Ticket URL: <http://code.djangoproject.com/ticket/11866#comment:1>
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