On 2009-12-10 10:06, Pedro Ferreira wrote: > The situation is simple: we have events (objects) that have to be > indexed by date. We currently use an OOBTree with the days as keys and > lists of objects as values. The objective is to avoid rewriting these > lists each time something changes, since we can have tens of thousands > of events in the same day. Some kind of btree-based list or set would > work, I guess.
Why not store the events on some BTree or similar structure with a simple unique integer id, and use a separate BTree to map dates to these events? You can even use zc.catalog or similar tools to create that mapping - you would get a lot of query options for free with those as well. Wichert. -- Wichert Akkerman <wich...@wiggy.net> It is simple to make things. http://www.wiggy.net/ It is hard to make things simple. _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org https://mail.zope.org/mailman/listinfo/zodb-dev
