If you use Relevanssi to handle your WordPress search queries, you can learn how to add support for your custom database tables in the following video:
How to add support for custom database tables to Relevanssi
About the author
Phil Kurth is a web developer living in Melbourne, Australia. Phil has a long history of WordPress development and enjoys building tools to empower others in their web design/development practice.
When not working with the web, Phil is usually spending time with his two young sons or is out hiking through the Australian bush.