Version 2.2 M2 of DataNucleus AccessPlatform
Release Notes: Complete support for JDO3.1 column positioning and initial support for JDO3.1 sequence control was added. The ability to retain the datastore connection when outside of a transaction was added. Support for use of methods in JDOQL grouping statements was added. Type comparison handling by the in-memory query evaluator was extended. The ability to skip validation of objects found in the L2 cache when invoked from PM.getObjectById/EM.find was added. Validation of candidate keys was fixed. Support for the use of maps with embedded keys/values and key in value was added. Many other additions and fixes.
Other releases
Release Notes: Support for using JPA 2.1 API jar was added. Support for JPA 2.1 ForeignKey/Index schema constructs was added. Support for JPA 2.1 Criteria UPDATE/DELETE queries was added. Support for using JPA 2.1 FROM "ON" constructs with Criteria was added. Support for vendor extension @Index annotation was dropped (replaced by official JPA 2.1 annotation). Some other improvements were made.
Release Notes: Various additional schema generation inheritance situations for RDBMS are now supported. More flexibility to parsing of XML metadata was added. Support for execution of arbitrary SQL functions with RDBMS was added. Handling of discriminators for RDBMS was improved. Problem with persistence of some types with MongoDB was fixed. Various other improvements were made
Release Notes: A bug in the SQL statement for pessimistic locking for SQLServer was fixed. A bug in Localisation creation for OSGi was fixed. A bug in execution of SQL queries was fixed.
Release Notes: Support for some JPA2.1 API methods was added. Support for some additional JDOQL constructs was added. The ability to specify the type of ObjectProvider used was added. L2 cache store/retrieve mode support was added. Improvements to the operation queue were made. JDOQL time methods had a bug for SQLServer, which was fixed. Various other bugs were fixed.
Release Notes: JDK 1.7 is now supported. JDO support was updated for PM.get/setProperties. JPA metamodel was improved. Support for IDENTITY fields with VirtuosoDB was added. Support for PostgreSQL UPDATE was improved. Attach/Detach process was improved, fixing a couple of problems. MongoDB support for embedded fields and for queries was improved. Neo4j support for embedded fields was improved. Many other bugs were fixed
