Here I have been looking into using the MySQL Enterprise Edition Audit Log plugin for 5.7. We have many options to audit (filters, encryption, compression, Workbench, rotation & purging, viewing the log, etc.) and it’s quite clear cut on what we’re auditing and not when active.
If you’re looking to go deep into the Audit Plugin, as part of the Enterprise Edition, you’ll want to look at the following Support note:
Master Note for MySQL Enterprise Audit Log Plugin (Doc ID 2299419.1)
And if you’re looking for other Audit Plugin examples, I’d recommend Tony Darnell’s blog post: