---
title: "Database migration operations"
version: 1.8
locale: en
source: https://docs.djangoproject.com/en/1.8/ref/contrib/postgres/operations/
canonical: https://djangodocs.dev/en/1.8/ref/contrib/postgres/operations/
---
# Database migration operations

All of these [operations](/en/1.8/ref/migration-operations/) are available from
the `django.contrib.postgres.operations` module.

## CreateExtension

#### `class CreateExtension(name)`

An `Operation` subclass which installs PostgreSQL extensions.

#### `name`

This is a required argument. The name of the extension to be installed.

## HStoreExtension

#### `class HStoreExtension`

A subclass of [`CreateExtension`](#django.contrib.postgres.operations.CreateExtension)
which will install the `hstore` extension and also immediately set up the
connection to interpret hstore data.

## UnaccentExtension

#### `class UnaccentExtension`

A subclass of [`CreateExtension`](#django.contrib.postgres.operations.CreateExtension)
which will install the `unaccent` extension.