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  • Error in soda query or evaluation

    Hi I have found a posible error  in the soda query engine. When performing a query including an ''or'' opperation the field index will not be used and thereby the query is not optimized. If the or is replaced by an ''and'' opperation the filed index is used and the query is optimized.   Query q = container.query(); ...
    Posted to db4o User Forum (Forum) by f_kasper on September 23, 2008
  • List Sub Query

    Hi,we are new users in db4o and have the following problem using a java class construct like:class Folder {    Stirng name;    List mails;}  class Mail {    String subject;}Now we have some folders (e.g. ''inbox'', ''sent'' ...) containing mails.We are trying to search for mails with a subject ...
    Posted to db4o User Forum (Forum) by andsch on January 31, 2007