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Fixed #23617 -- Added get_pk_value_on_save()

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The method is mainly intended for use with UUIDField. For UUIDField we
want to call the field's default even when primary key value is
explicitly set to None to match the behavior of AutoField.

Thanks to Marc Tamlyn and Tim Graham for review.
This commit is contained in:
Anssi Kääriäinen 2015-01-28 13:40:48 +02:00 • committed by Tim Graham
parent 118b11221f
commit 8adc59038c
6 changed files with 50 additions and 0 deletions
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7
django/db/models/query.py
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@ -398,6 +398,11 @@ class QuerySet(object):
obj.save(force_insert=True, using=self.db)
return obj
def _populate_pk_values(self, objs):
for obj in objs:
if obj.pk is None:
obj.pk = obj._meta.pk.get_pk_value_on_save(obj)
def bulk_create(self, objs, batch_size=None):
"""
Inserts each of the instances into the database. This does *not* call
@ -422,6 +427,8 @@ class QuerySet(object):
self._for_write = True
connection = connections[self.db]
fields = self.model._meta.local_concrete_fields
objs = list(objs)
self._populate_pk_values(objs)
with transaction.atomic(using=self.db, savepoint=False):
if (connection.features.can_combine_inserts_with_and_without_auto_increment_pk
and self.model._meta.has_auto_field):