Oliver Elphick <[EMAIL PROTECTED]> writes: > This should cause no problem, because we have no > cross-database communication; it should be impossible for "george@dummy" > to have any connection with database "test".
Not so; you need look no further than the owner column of pg_database to find a case where people can see usernames that might be local to other databases. Group membership lists might well contain users from multiple databases, too. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])