Promises and MySql seem to not return

> Hey, folks.

Hi Mike.

> We have a MySql database we need to connect to on this project, and
> having trouble getting asynchronous requests to work.
>
> If we use `dbconn->typed_query`, we get the expected response.
> 
> With promise_query, seeing: `SQL status: still running...`
> 
> Chris Angelico promises (pun intended) to pry further into it, and I
> hope you don't mind more spam from me in the meantime.
> 
[...]

The first thing to check is: Have you started the default backend (ie
returned -1 or a Concurrent.Future from main()?

> Thanks much and have a good and great one.

	/grubba