I have upgraded to django 1.0 beta or the latest version for my
development machine. And faced IntegrityError when i delete a record
with few related records. This problem do not happen before django 1.0
A Product model and a Part model, which is a 1-to-many relationship,
(a Product can have multiple Parts). The Parts has an InlineAdmin in
Product admin, so that i can modify the Part records which belongs to
it on the same admin page.
I have created Product record, with some Part records (which belong to
the Product record) and save, it is OK.
When i delete the product record i have created. The django admin
shows a confirmation page. Say that:
Are you sure?
Are you sure you want to delete the product "My Product"? All of the
following related items will be deleted:
I answered: "Yes, I'm Sure", but it shows 1451, 'Cannot delete or
update a parent row: a foreign key constraint fails'
Do you know why? my models.py and admin.py are as follows:
------------------
models.py
------------------
class Product(models.Model):
name = models.CharField(max_length=100)
class Part(models.Model):
product = models.ForeignKey(product)
name = models.CharField(max_length=100)
------------------
admin.py
------------------
class PartInline(admin.TabularInline):
model = Part
class ProductAdmin(admin.ModelAdmin):
inlines = [PartInline]
admin.site.register(Product, ProductAdmin)
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