Re: Django Migration Error in Heroku, but migrate correctly in heroku local

If you are versioning your migration files (most liketly) then you don't have to run makemigrations in the server again.

On Fri, Dec 2, 2016 at 11:55 PM, zhangdb7 <zhangdb7@gmail.com> wrote:

Python 3.5, Django 1.10.3, Sqlite
I have deployed a django app in heroku.It ran without errors before. One day I make some change in models.py. I first do
python manage.py collectstatic,
python manage.py makemigrations,
python manage.py migrate,
heroku local web -f Procfile.windows,
the app run correctly in local. Then I push my codes to heroku. I ran:
git push heroku master
heroku run bash
$python manage.py makemigrations
$python manage.py migrate
heroku ps:scale web=1
But server returned:

    ProgrammingError at /twitter/blog/      column twitter_article.enable_comments does not exist      LINE 1: ...article"."content", "twitter_article"."pub_date", "twitter_a.

Here is my key model:

    from django.db import models      from fluent_comments.moderation import moderate_model,comments_are_open, comments_are_moderated      from fluent_comments.models import get_comments_for_model, CommentsRelation        class Article(models.Model) :      title = models.CharField(max_length = 100)      category = models.CharField(max_length = 50, blank = True)      pub_date = models.DateTimeField(auto_now_add = True)      content = models.TextField(blank = True, null = True)      pub_date = models.DateTimeField("pub_date")      enable_comments = models.BooleanField("Enable comments", default=True)        def __str__(self) :          return self.title        class Meta:          ordering = ['-pub_date']        # Optional, give direct access to moderation info via the model:      comments = property(get_comments_for_model)      comments_are_open = property(comments_are_open)      comments_are_moderated = property(comments_are_moderated)        # Give the generic app support for moderation by django-fluent-comments:      moderate_model(Article,          publication_date_field='pub_date',          enable_comments_field='enable_comments',      )

If I drop my database and build a new database. Server won't report error. Why? I'm using sqlite.

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