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Django south - column none does not exist

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[开发(python) 所属分类 开发(python) | 发布者 店小二04 | 时间 2018 | 作者 红领巾 ] 0人收藏点击收藏

i am failing to migrate using south. the problem is this:

i created a model, then i did schemamigration app --auto, then migrate app, it was fine. then later on, i added another field to this model and then did again those two commands, but now it is saying, column 'None' doesnot exist. i think, it was because i had a foreignkey field and that didnot have default value, i added some empty string default value, then did the commands again, it said the same error, now i deleted the model and did schemamigration and migrate app, but it still keeps giving this error.

this is my model:

class User(models.Model): registerdate = models.CharField(max_length=400,default='') vorname = models.CharField(max_length=100,default='') nachname = models.CharField(max_length=100,default='') email = models.EmailField(max_length=100,default='') strasse = models.CharField(max_length=100,default='') hausnr = models.CharField(max_length=100,default='') stadt = models.CharField(max_length=100,default='') land = models.CharField(max_length=100,default='') ##for confirm mails - the hash unique = models.CharField(max_length=400,default='') kennwort = models.CharField(max_length=200,default='') username = models.CharField(max_length=200,default='') locations = models.CharField(max_length=10, default='')

can someone please help me?

thanks a lot

本文开发(python)相关术语:python基础教程 python多线程 web开发工程师 软件开发工程师 软件开发流程

tags: default,models,length,max,CharField,model,did,app
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