TC JdbcDriver TC parameters leakage

[npetzall]

When using the TC JdbcDriver, TC specific parameters in connectionString is sent to database.
They should probably be removed and not hit the actual database.

[rnorth]

@npetzall yes you're right - let's filter them.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you believe this is a mistake, please reply to this comment to keep it open. If there isn't one already, a PR to fix or at least reproduce the problem in a test case will always help us get back on track to tackle this.

[stale]

This issue has been automatically closed due to inactivity. We apologise if this is still an active problem for you, and would ask you to re-open the issue if this is the case.