# Django 1.8.18.dev20170123152445 documentation

# Database migration operations

All of these 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` which will install the `hstore` extension and also immediately set up the connection to interpret hstore data.

## UnaccentExtension

class `UnaccentExtension`

  A subclass of `CreateExtension` which will install the `unaccent` extension.