If you're still using Tiger there's a nice packaged distribution of MySQL for OS X that you can grab, but if you're on Leopard YMMV with that package. Alternately you can compile MySQL from source.

Only minor tweaks have been made to make it build on a relative modern compiler and to remove ... in the SQL file under the share/sql folder. To set up MySQL on localhost using the command line tool ...

To add more SQL features should ... structure should look like this: [GDNativeSQL] ├── godot-headers/ ├── lib/ ├── src/ └── gdsql.c Change the settings for your server in the gddsql.c file in line 82; ...