[development] MyISAM Hard-coded (was: MySQL performance tuning snippet)

[Angie Byron]

Kind of off-topic, but this reminded me of something...

> He suggested we use InnoDB for large sites

Is there a particular reason that Drupal's database.mysql file hard-codes tables
to use MyISAM rather than leaving this specification off so it just inherits
whatever the default table type is? I found this thread
http://drupal.org/node/43336 which makes reference to a development discussion
on engine agnosticity (I'm pretty sure I just made that word up) but I wasn't
able to find the original discussion.

On the off-chance there isn't, here is a patch:

http://drupal.org/node/50669