以下是我的模特。运行python manage.py migrate
django.db.utils.IntegrityError: NOT NULL constraint failed: app_project.description
以下模型:
from django.db import models
# Create your models here.
class Project(models.Model):
title = models.CharField(max_length=100)
description = models.TextField(max_length=2000, blank=True, default='')
progress = models.FloatField(default=0)
created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
def __str__(self):
return self.title
class Task(models.Model):
project = models.ForeignKey(Project, on_delete=models.CASCADE)
title = models.CharField(max_length=100)
severity = models.SmallIntegerField(default=0)
open_date = models.DateTimeField()
close_date = models.DateTimeField()
status = models.SmallIntegerField(default=0)
def __str__(self):
return self.title
我在Django 1.10