Place to set Sqlite PRAGMA option in Django project

Question

According to this test, setting PRAGMA synchronous=OFF Sqlite can dramatically improve Sqlite write performance.

I am well aware of the drawbacks, but would still like t

Answer 1

The article suggests that you add that as a middleware (at the very end). That middleware is then configured as a string inside settings.py, so you shouldn't get any import conflicts.

Answer 2

Add this code in the __init__.py file of one of your installed app:

from django.db.backends.signals import connection_created
def activate_foreign_keys(sender, connection, **kwargs):
    """Enable integrity constraint with sqlite."""
    if connection.vendor == 'sqlite':
        cursor = connection.cursor()
        cursor.execute('PRAGMA foreign_keys = ON;')

connection_created.connect(activate_foreign_keys)