Re: What do they mean, exactly

this occurs when manage does not detect any changes to your project

or if the project folders have lost sync.

I have run into this before lots of times.

this is based on djando 1.11 but should work moving forward in principal.

In general try the following :

syncdb :

No longer exists ....

when creating the database tables do the following :

remove ALL migrations directories in app's

manage makemigrations <appname> DO FOR ALL APPS

manage migrate --fake-initial

manage migrate

manage createsuperuser (optional)

When creating new apps __init__.py must exist

manage migrate --fake-initial <appname> to create the table(s)



the above will not destroy any db tables etc but if you added a field
that never got updated to the database you will probably need to reverse
the table changes (in your model), then sort the migrations out as per
above and then re-add the table entries

This can happen when syntax errors, migrations errors occured on the
last run and it did not make it far enough to add the fields?

hope this helps.

Happy Saturday !!!
Thanks - paul

Paul Kudla


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On 5/27/2022 4:12 PM, Sabir Ali wrote:
> (Hpenv) E:\HealthPrediction>python manage.py makemigrations
> _*No changes detected*_
>
> (Hpenv) E:\HealthPrediction>
>
>
> "No changes detected' what will i do Please help me. I am beginner in
> django. Please help me
>
>
> On Friday, May 27, 2022 at 2:12:09 AM UTC+5:30 dcol...@gmail.com wrote:
>
> I was reading the django docs and i have been confused by the
> explanation as shown in the snippet.
> Screenshot from 2022-04-29 01-36-59.png
>
> in the first snippet of code does it mean that both conditions will
> have to be met as in the case of "and" in logical operators?
> Second snippet, do they imply that the blog objects will first be
> filtered to have only those that contains "lennon" and then the
> results will be filtered again to have only those in year 2008?
>
> Please help
>
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