$ php app/console doctrine:migrations:status

[DoctrineDBALDBALException]
  Unknown database type point requested,
  DoctrineDBALPlatformsMySqlPlatform may not
  support it.

# Doctrine Configuration
doctrine:
    dbal:
        driver:   %database_driver%
        host:     %database_host%
        port:     %database_port%
        dbname:   %database_name%
        user:     %database_user%
        password: %database_password%
        charset:  UTF8
        types:
          point: AppEngineBundleDoctrineExtensionsPointType

# Doctrine Configuration
doctrine:
    dbal:
        driver:   %database_driver%
        host:     %database_host%
        port:     %database_port%
        dbname:   %database_name%
        user:     %database_user%
        password: %database_password%
        charset:  UTF8
        types:
          point: AppEngineBundleDoctrineExtensionsPointType
        mapping_types:
          point: point