Thanks for the answers!
El dom., 9 ago. 2020 a las 11:16, Liu Zheng ()
escribió:
> All the previous answers are great to explain the reason. Just want to
> add: if you do not desire empty string in form and in shell, you probably
> need to add a min_length validation condition
>
> On Sun, Aug 9,
All the previous answers are great to explain the reason. Just want to add:
if you do not desire empty string in form and in shell, you probably need
to add a min_length validation condition
On Sun, Aug 9, 2020 at 12:42 PM Stephen J. Butler
wrote:
> If you look at the documentation for 'blank'
If you look at the documentation for 'blank' it says:
"""
Note that this is different than null. null is purely database-related,
whereas blank is validation-related. If a field has blank=True, *form
validation* will allow entry of an empty value. If a field has blank=False,
the field will be
Null value is not the same as an empty string !!!
You have to validate the robot_name
see also :
https://stackoverflow.com/questions/6940499/how-can-you-create-a-non-empty-charfield-in-django
Op vrijdag 7 augustus 2020 om 15:11:48 UTC+2 schreef neera...@gmail.com:
> It basically sets a null
It basically sets a null value i.e. "" for the fields that you don't pass
while creating an object in shell. And "" it acceptable value. If you want
to restrict "" then add some validations.
On Fri, Aug 7, 2020, 5:16 PM Juan D. wrote:
> I've created a model with null and blank set to False in
I've created a model with null and blank set to False in robot_name:
class Robot(models.Model):
robot_name = models.CharField(max_length=200, null=False, blank=False)
version = models.CharField(max_length=20, blank=True, null=True)
class Meta:
unique_together = ('robot_name',
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