Django: How to Resolve the 'Table Doesn't Exist' Error When Modifying Models?

Django: Resolving the "Table Doesn't Exist" Issue

When modifying models or deleting tables in Django, encountering the "Table doesn't exist" error can be frustrating. This issue arises when Django attempts to perform operations on a table that has been dropped or doesn't exist in the database.

To address this problem, a step-by-step solution involves the following:

1. Drop the affected tables: Start by confirming that the table causing the error has been dropped from the database.
2. Comment out the model: In the models.py file, comment out the model definition for the affected table. This prevents Django from attempting to access the non-existent table.

3. Migrate the database (without --fake): If using Django 1.7 or later, run the following commands:

   • python manage.py makemigrations
   • python manage.py migrate --fake

   For Django versions prior to 1.7, replace the above commands with the following:

   • python manage.py schemamigration --auto
   • python manage.py migrate --fake
4. Uncomment the model: Once the database migration is complete, uncomment the model definition in models.py.
5. Migrate the database (without --fake): Finally, run the database migration again, this time without the --fake flag. This will create the necessary table.

Remember, this process assumes that you have deleted the table in question. If the table still exists, check if it has any references or constraints preventing its deletion.

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