Question

how to setup mysql in python django project.

My project is built in Python Django which I have set up on Digital Ocean Cloud but it has inbuilt DBSQLITE database, I want to connect mysql with my database, when I connected mysql and loaded the data, I got empty tables, the data did not come. Please tell me step by step steps


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Bobby Iliev
Site Moderator
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May 14, 2024

Hey!

Are you using the DigitalOcean App Platform? If this is the case, the best approach here would be to use a managed MySQL cluster.

Using SQLite with the App Platform is not recommended as the App Platform has ephemeral storage, meaning that any data you store on the App Platform itself locally, will be lost after each redeployment.

To set up MySQL in your Python Django project on DigitalOcean, and resolve the issue of empty tables when migrating, follow these steps:

  1. Create a MySQL Cluster:

    • Follow the guide to create a MySQL cluster on DigitalOcean: Create a Managed MySQL Database
    • Note down the connection details (host, port, username, password, and database name).
  2. Install Django MySQL Adapter:

    pip install mysqlclient
    
  3. Update settings.py: Open your Django project’s settings.py file and update the DATABASES setting:

    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.mysql',
            'NAME': 'your_database_name',
            'USER': 'your_mysql_user',
            'PASSWORD': 'your_mysql_password',
            'HOST': 'your_mysql_host',  # e.g., 'db-mysql-nyc3-12345-do-user-67890-0.b.db.ondigitalocean.com'
            'PORT': 'your_mysql_port',  # e.g., '25060'
        }
    }
    

    Replace your_database_name, your_mysql_user, your_mysql_password, your_mysql_host, and your_mysql_port with the details from your DigitalOcean Managed MySQL Database.

After that redeploy your project to the App Platform.

Let me know how it goes!

Best,

Bobby

KFSys
Site Moderator
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May 14, 2024

Heya @zappcodeacademy,

The data you have in your SQLLITE db will not automatically migrate over to the MySQL.

Yes, you can run your migrations to create the structure of your DB in MySQL however you’ll need to find another way to dump the data from your SQLLITE to MySQL.

Let’s first make sure you ahve the proper stuff in your settings.py file:

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'myproject',
        'USER': 'myprojectuser',
        'PASSWORD': 'password',
        'HOST': 'localhost',
        'PORT': '',
    }
}

Migrate Your Existing Data

  1. Make sure all your Django models are up to date with your current SQLite database:
python manage.py makemigrations python manage.py migrate
  1. Dump data from SQLite to a JSON file:
python manage.py dumpdata > datadump.json
  1. Switch to your MySQL database (update your settings.py as described above), then apply migrations:
python manage.py migrate --run-syncdb
  1. Load your data into MySQL:
python manage.py loaddata datadump.json

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