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Fixed #27385 -- Fixed QuerySet.bulk_create() on PostgreSQL when the number of objects is a multiple plus one of batch_size.

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David Barragán Merino 2016-10-25 16:51:45 +02:00 • committed by Tim Graham
parent a9d1d95284
commit b3bd3aa07c
3 changed files with 16 additions and 6 deletions
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15
tests/bulk_create/tests.py
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@ -171,11 +171,18 @@ class BulkCreateTests(TestCase):
def test_explicit_batch_size(self):
objs = [TwoFields(f1=i, f2=i) for i in range(0, 4)]
TwoFields.objects.bulk_create(objs, 2)
self.assertEqual(TwoFields.objects.count(), len(objs))
num_objs = len(objs)
TwoFields.objects.bulk_create(objs, batch_size=1)
self.assertEqual(TwoFields.objects.count(), num_objs)
TwoFields.objects.all().delete()
TwoFields.objects.bulk_create(objs, len(objs))
self.assertEqual(TwoFields.objects.count(), len(objs))
TwoFields.objects.bulk_create(objs, batch_size=2)
self.assertEqual(TwoFields.objects.count(), num_objs)
TwoFields.objects.all().delete()
TwoFields.objects.bulk_create(objs, batch_size=3)
self.assertEqual(TwoFields.objects.count(), num_objs)
TwoFields.objects.all().delete()
TwoFields.objects.bulk_create(objs, batch_size=num_objs)
self.assertEqual(TwoFields.objects.count(), num_objs)
def test_empty_model(self):
NoFields.objects.bulk_create([NoFields() for i in range(2)])