3 examples of 'django bulk create' in Python

137
def bulk_create(self, objs, batch_size=None):
138
    objs = list(objs)
139
    for obj in objs:
140
        obj.pre_save_polymorphic()
141
    return super(PolymorphicQuerySet, self).bulk_create(objs, batch_size)

224
def add_bulk(self, model, obj_list):
225
    raise NotImplementedError

13
@staticmethod
14
def test_localized_bulk_insert():
15
    """Tests whether bulk inserts work properly when using a
16
    :see:LocalizedUniqueSlugField in the model."""
17
18
    model = get_fake_model(
19
        {
20
            "name": LocalizedField(),
21
            "slug": LocalizedUniqueSlugField(
22
                populate_from="name", include_time=True
23
            ),
24
            "score": models.IntegerField(),
25
        }
26
    )
27
28
    to_create = [
29
        model(
30
            name={"en": "english name 1", "ro": "romanian name 1"}, score=1
31
        ),
32
        model(
33
            name={"en": "english name 2", "ro": "romanian name 2"}, score=2
34
        ),
35
        model(
36
            name={"en": "english name 3", "ro": "romanian name 3"}, score=3
37
        ),
38
    ]
39
40
    model.objects.bulk_create(to_create)
41
    assert model.objects.all().count() == 3
42
43
    for obj in to_create:
44
        obj_db = model.objects.filter(
45
            name__en=obj.name.en, name__ro=obj.name.ro, score=obj.score
46
        ).first()
47
48
        assert obj_db
49
        assert len(obj_db.slug.en) >= len(obj_db.name.en)
50
        assert len(obj_db.slug.ro) >= len(obj_db.name.ro)