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A simple Django app to handle database views.

Project description

A simple pluggable application that allows to work with database views.

Quick start

  1. Install the package:

    pip install django-database-models
  2. In your create classes which extend dbview.models.DbView like this:

    from django.db import models
    from dbview.models import DbView
    class ModelA(models.Model):
        fielda = models.CharField()
        fieldc = models.IntegerField()
    class MyView(DbView):
        fieldA = models.OneToOneField(ModelA, primary_key=True,
        fieldB = models.IntegerField(blank=True, null=True, db_column='fieldb')
        def view(cls):
            This method returns the SQL string that creates the view,
            in this example fieldB is the result of annotating another column
            qs = modelA.objects.all(
            return str(qs.query)

    Alternatively get_view_str method could be used to write a custom SQL:

    class MyView(DbView):
        # ...
        def get_view_str(cls):
            return """
                CREATE VIEW my_view AS (
                SELECT ...
  3. Then create a migration point for your view generation, edit that migration and modify it, add: from dbview.helpers import CreateView and replace the line the call to migrations.CreateModel with CreateView.

  4. Migrate your database and start using your database views.

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