The wizard considered all permissions being exclusively associated to their
most important context, which is, in the most common case, incorrect.
Permissions assigned on database level do not need to be assigned on
table level as well.
refs #8267
In case current_user() reports a wildcard identification for the user's
host (e.g. user@%) the percent sign was not escaped causing sprintf
to complain as there were too few arguments in this case.
fixes#7853
Johannes Meyer
Eric Lippmann