>> This parameter is a bit silly then since it has nothing to do with
>> connection pooling and setting it to true breaks the driver...
>
> Err... I mean 'setting it to false breaks the driver'

I can confirm your findings. They also happen in ConnectionPoolDataSource
and are related to the fact that we are unable to handle getting logical
connection few times from the single pooled connection. Since this code is
in use in many places