Is there any documentation on how this Adminer functionality can be used (if it can be used)? I've got some huge SQL files to migrate it could come in really useful for!
Adminer can only process SQL files up to 64MB. If the databases are bigger than that I'd suggest using the command line to do the imports. Here's our documentation on how to do that:
Ah thanks! Command line is probably even easier than what I was thinking of.
I evidently forgot to attach the screenshot, but I was referring to this thing on the Adminer interface. Might want to hide it somehow if it's not actually usable.
querkmachine it's not actually usable, and we'll definitely look into hiding it if possible.
If you'd like to run your own Adminer installation (and thus have access to the server file import option) you can do so as follows: