编辑“︁Asynchronous Database Access”︁（章节）

== Strategies to handle waiting for required data ==


# I think we can ignore this issue, and just hang on server start until the database is responsive again. It is now possible to add zones while the game is running so the approach described in the next section could be used for zones, too.
# When a player logs in, the account has to be verified, then a list of the characters is read and finally the RPObject associated with the selected character has to be loaded. All these operations can be done asynchronously so that only this player has to wait for the database but the game world can continue to progress.
# This basically means that we cannot simply delay pre-generated SQL-commands but have to enqueue smart objects with logic.