Re: initial dta for model in Django 1.7 or newer

Here is a good tutorial in English

http://www.tangowithdjango.com/book17/

Hi,
I am very sorry, but I don't understand russian. Can you answer me in english? And I am using Python 3.4.

Dne 26. 12. 2014 14:30 "Валерий Бовсуновский" <id29...@gmail.com> napsal(a):

четверг, 25 декабря 2014 г., 18:06:35 UTC+3 пользователь Robert Jonathan Šimon написал:

Hi,

When i googled for this problem a found out, that with migrations in Django 1.7, there is new way how it should be done, but i didnt understand it how. Can anyone explain me the new way how to do it?

Thanks a lot.

python2.7 manage.py makemigrations

python2.7 manage.py migrate 

Delete table

 

makemigrations - проверяет есть ли новые таблицы

migrate - создает таблицы или удаляет

Напишите модель простую что бы протестировать

class Home(models.Model):
    title = models.CharField(max_length=150)
    text = models.TextField(blank=True, null=True)
    date = models.DateTimeField(blank=True, null=True)
    def __unicode__(self):
            return self.title

проведите две  команды

python2.7 manage.py makemigrations

python2.7 manage.py migrate 

Потом закомментируйте одну строку

class Home(models.Model):
    title = models.CharField(max_length=150)
    #text = models.TextField(blank=True, null=True)
    date = models.DateTimeField(blank=True, null=True)
    def __unicode__(self):
            return self.title

И опять две команды

python2.7 manage.py makemigrations

python2.7 manage.py migrate 

поле удалится

 #text = models.TextField(blank=True, null=True)

Что бы не было ошибок нужно всегда заполнять blank=True, null=True, смотреть документацию, иначе выдаст варианты. 

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