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Posted By: Sebastien Chassande-Barrioz
Date: 2005-04-06 12:57
Summary: Speedo 1.3

The version 1.3 of Speedo is available in download. It provides lot of JDO 2 features (queries, detach/attach, fetch plan, cascade delete, ...). In addition Speedo provides very interesting feature: the user-cache. The user cache is a view of the L2 cache indexed by a secondary key (not the identifier). The collection loading has been improved in term of performance. Here is the list of the major changes:
- Bug fix: On query, range values are passed as parameter to JDBC PreparedStatment
- Print the version at start up
- Optimize the collections loading (load all collection elements in one query). This feature increases highly the performance of application using collection, set, list, ... The implemented solution is to prefetch collection element in JORM genclass.
- User cache: permit to index persitent class by another primary key than the identifier.
- Cascade delete (contributor: Sebastien)
- bug fix: delete, rollback and get
- bug fix: delete, makePersistent with the same ind and in the same transaction,
- bug fix: attach an object with null references,
- bug fix: ClassCastException on SpeedoMemoryInstanceManager.stateNoMoreUsed,
- Documentation enhancement
- JDO 2: query result type: user class, simple field, aggregate
- JDO 2: SUM, MAX, MIN, AVG, COUNT in queries
- JDO 2: unique and distinct in queries
- JDO 2: queries limit
- Support inheritance discriminator out of the identifier (filtered mapping)
- Ant task available to generate the sql script of database creation

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