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

Hi Team,

     I am getting an issue that issue i.e., ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

i am trying to install mysql using django template.   please help me.

On Mon, Feb 24, 2020 at 8:13 PM '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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Best Regards
Sri Ganesh Babu.S

Sr. Software Engineer,

Doyen Solutions

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