Marco Baumgartl

Have a look at ```waitForConnections``` and ```queueLimit``` pool options. Your queries should not hang but fail :wink: You can also listen the pool events to get an idea what the...

```waitForConnections``` and ```queueLimit``` are pool configuration options. They change the way the pool reacts to increasing waiting connections. You don't need to watch them in realtime :wink: For debugging purposes...

see #639

mysql2 uses [mysqljs/named-placeholders](https://github.com/mysqljs/named-placeholders) for this. The placeholders are identified using a [regex](https://github.com/mysqljs/named-placeholders/blob/f84dc49976e0b83c965343083bbd210baa814f45/index.js#L6). I think you can close this issue and open new one in linked project.