MariaDB > install soname 'type_email';

SELECT plugin_name, plugin_type, plugin_library, plugin_description,
       plugin_author FROM information_schema.PLUGINS 
       WHERE plugin_library LIKE 'type_email.so';
+------------------+-------------+----------------+-----------------------------------+---------------+
| plugin_name      | plugin_type | plugin_library | plugin_description                | plugin_author |
+------------------+-------------+----------------+-----------------------------------+---------------+
| email            | DATA TYPE   | type_email.so  | Validated EMAIL data type         | lefred        |
| email_is_valid   | FUNCTION    | type_email.so  | Validate an email address         | lefred        |
| email_local_part | FUNCTION    | type_email.so  | Return the local part of an email | lefred        |
| email_domain     | FUNCTION    | type_email.so  | Return the domain of an email     | lefred        |
| email_normalize  | FUNCTION    | type_email.so  | Lowercase an email domain         | lefred        |
+------------------+-------------+----------------+-----------------------------------+---------------+
5 rows in set (0.002 sec)