fluxbb/fluxbb — comment on commit 2f02b3d9fa7c36764768c54709718f0196f17eb2
File: login.php line 120
By lie2815:

I haven't found one yet:
I asked for a proper one-query workaround here: http://stackoverflow.com/q/8598171/192741.

The problem with the two separate queries is that they will be near impossible to emulate (primary key, conditions etc.), also the DELETE queries aren't made for supporting multiple queries.