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後,我有一個model.py Django應用程序「的myapp」與此:的Django 1.10.5:關係「myapp_mymodel」不存在,甚至遷移
而且在同一個文件夾中,我有一個文件夾migrations
用空__init__.py
和2個文件:
from django.db import models
from django.contrib.postgres.fields import ArrayField
class Characteristic(models.Model):
name = models.CharField(max_length=200)
core = models.BooleanField(default=False)
synonyms = ArrayField(
models.CharField(max_length=200, blank=True),
size=20
)
0001_initial.py
:
from __future__ import unicode_literals
import django.contrib.postgres.fields
from django.db import migrations, models
class Migration(migrations.Migration):
initial = True
dependencies = [
]
operations = [
migrations.CreateModel(
name='characteristics',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('name', models.CharField(max_length=200)),
('synonyms', django.contrib.postgres.fields.ArrayField(base_field=models.CharField(blank=True, max_length=200), size=20)),
],
),
]
第二個文件:
from __future__ import unicode_literals
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('myapp', '0001_initial'),
]
operations = [
migrations.AddField(
model_name='characteristics',
name='core',
field=models.BooleanField(default=False),
),
]
然而,在視圖中,當試圖創建模型的實例:
characteristic = Characteristic(name=attribute.decode('utf-8'), synonyms=[])
characteristic.save()
我得到一個錯誤:
ProgrammingError: relation "myapp_characteristic" does not exist
我做:python manage.py makemigrations myapp
,我必須在文件頂部from myapp.models import Characteristic
有誰知道我在哪裏錯了?