Re: reg: Error:-django.db.utils.OperationalError: (1170, "BLOB/TEXT column 'Description' used in key specification without a key length")

Hi Freind,

For simplify and minimize your dev time, review first in your err, code base.

Thank your sharing and dont forget zen.

On Mon, Feb 24, 2020, 21:43 'Amitesh Sahay' via Django users <django-users@googlegroups.com> wrote:

Hi, 

I am creating a model, which is taking a description as text field. when I migrate I see the below error:

django.db.utils.OperationalError: (1170, "BLOB/TEXT column 'Description' used in key specification without a key length")

ON further research I came to know that its some limitation with MySQL. I am using MYSQL for my dev. Below is the link that describes the issue.

MySQL error: key specification without a key length

MySQL error: key specification without a key length I have a table with a primary key that is a varchar(255). Some cases have arisen where 255 characters isn't enou...

So what am I suppose to use if not TextField? I have tried CharField, that doesn't work either. Below is the model details:

class OnlineShop(models.Model):
    Product_name = models.CharField(max_length=100, unique=True)
    Price = models.IntegerField()
    Slug = models.SlugField(max_length=250, unique=True)
    Description = models.TextField()
    Curr_Time = models.DateTimeField(auto_now_add=True)

    def __str__(self):
        return '{}'.format(self.Product_name)

Regards,

Amitesh Sahay

91-750 797 8619

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