[Typo3-dev] Connecting to a different db kills typo3 db connection?

[Martin Kutschker]

"Dmitry Dulepov" <typo3 at fm-world.ru> schrieb im Newsbeitrag 
news:mailman.1.1122883979.983.typo3-dev at lists.netfielders.de...
> Hi!
>
> I just found that TYPO3_db is a constant defined to an empty string. But
> I could not find anywhere how "mysql" function is defined. Mistery :(

Odd, I thhought it would be set to the db value of localconf.php. Perhaps 
this was only in pre-DBAL versions the case (eg 3.5).

Masi