This is the first step in the two step process to sync changes made to the Django model (in python code) with the database.
https://docs.djangoproject.com/en/1.11/ref/django-admin/#django-admin-makemigrations
Questions tagged [makemigrations]
113 questions
3
votes
1 answer
Django 1.10 - makemigrations command not detecting changes for unmanaged models
Thanks in advance for your help. Inside mi project I have an app involving models that were generated from an existing database. As those tables are administered by a DBA, they are kept as unmanaged models. As it is possible that we require to…
gaboroncancio
- 870
- 1
- 7
- 19
3
votes
2 answers
Django app not found despite adding to INSTALLED_APPS?
its just a sample app,
app name:wiki
#models.py
from django.db import models
class Page(models.Model):
name = models.CharField(max_length=20, primary_key=True)
content = models.TextField(blank=True)
#settings.py
INSTALLED_APPS =…
Swarup Rajbhandari
- 466
- 1
- 6
- 14
3
votes
2 answers
Django-polymorphic models having issues making migrations on 1.7
I am using Django 1.7 and django-polymorphic for my models
class ReferenceItem(PolymorphicModel):
created_at = models.DateTimeField(_('date created'), auto_now_add=True, db_index=True)
updated_at = models.DateTimeField(_('date modified'),…
James Lin
- 25,028
- 36
- 133
- 233
2
votes
0 answers
Django migration error : return self.cursor.execute(sql, params) django.db.utils.ProgrammingError:
I tried to delete the migrations folder and db.sqlite3 as suggestions but it didn't work. I've also tried to downgrade version of django. Please look at the error below, I think it's the problem with database :
The above exception was the…
Knight
- 55
- 2
- 7
2
votes
1 answer
Can you stop Django automatically reverting a manual Migration?
I have a Model file which has a change which isn't being picked up by DJango makemigrations.
I created a manual migration following this answer, but if we run makemigrations afterwards Django creates a new auto migration reverting our manual…
Jethro
- 3,029
- 3
- 27
- 56
2
votes
1 answer
I got this Error AttributeError: module 'django.contrib.gis.db.models' has no attribute 'GeoManager'
This Is My Models :
class Intervention(models.Model):
Titre_intervention = models.TextField(max_length=255)
date_intervention = models.DateField(auto_now_add=True)
type_panne =…
daniel meyer
- 67
- 1
- 8
2
votes
2 answers
django makemigrations override to create migration files with custom names
I have a python2.7 django project (I know, I am in 20th century!) that has some models in it. I need to override makemigrations so that the migration filenames are of the form 0001.py, 0002.py and so on, and not like 0001_initial.py, 0002_model1.py…
TNT
- 480
- 1
- 4
- 11
2
votes
3 answers
Django 2.2 - django.db.utils.OperationalError: no such table
I am pulling my hair out. I just can't get migrations to work anymore. Every time I run python3 manage.py makemigrations or python3 manage.py makemigrations app_name I get the following error:
Traceback (most recent call last):
File…
Peter
- 91
- 1
- 11
2
votes
0 answers
Django cannot serialize into migration file
Hi there i'm having problems when trying to use the command makemigrations with manage.py.
The output is the following:
Migrations for 'reg':
reg\migrations\0012_auto_20190917_1711.py
- Remove field Products from tenant
- Add field…
Seba Rossi
- 91
- 7
2
votes
1 answer
How to deal with a `relation "cms_disclaimerpanel" already exists` and ProgrammingError: column "http_request_lang" of relation "xyz" does not exist
I have a rather annoying issue when trying to send my merge to my automated tests on circle CI.
Just for the context, I've inherited a project where the authors are no longer working at my current work.
I'm working on django and I've done a merge,…
Andy K
- 4,944
- 10
- 53
- 82
2
votes
2 answers
why do i get syntax error on manage.py makemigrations?
I'm making a test project with python and django (for learning purpose). At some point I have to make a django app called products, then in the models.py file in the "products" app directory I have this code:
class Products (models.Model)
title…
Hooman Solo
- 21
- 3
2
votes
2 answers
error while using makemigration in django
I am working on a development server running python3.5 and Django 1.11 with virtualenv
when I use "python manage.py makemigrations" I get this error
Traceback (most recent call last):
File "manage.py", line 8, in
from…
Kamran Hosseini
- 478
- 5
- 25
2
votes
1 answer
Django makemigrations fail in heroku
I'm trying to deploy a Django (1.10.6) app to Heroku, runtime Python 3.6.1. The app runs succesfully (except the fact that tables are not created), but when trying run the makemigrations I get the following error:
Running python manage.py…
Prochu1991
- 443
- 5
- 20
2
votes
1 answer
makemigrations permisseion denied
i guess i'm stuck at a big problem.
i had to delete the migrations directory in my django app and i thought when i run python manage.py makemigrations the directory will be created back, however i got an error…
ChemseddineZ
- 1,728
- 3
- 14
- 27
2
votes
1 answer
'makemigrations' asks for a default with none-abstract model inheritance
I'm trying a simple model inheritance:
class Product(models.Model):
creation_date = models.DateTimeField(auto_now_add=True)
class Application(Product):
name = models.CharField(max_length=200)
'makemigrations' asks for a default:
You are…
billy
- 35
- 1
- 5