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September 11th 2009
- DataNucleus Access Platform 2.0 ("Bohr") Milestone 2 is released.
DataNucleus Access Platform provides persistence and retrieval of Java objects to/from
a wide range of datastores including RDBMS, db4o, LDAP, XML, and Excel.
Version 2.0 Milestone 2
includes the following changes
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Addition of control over the Locale used for logging messages
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Add support for "embedded='true'" to mean embed the field - so the user doesn't have to
specify the 'embedded' element also
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Bug fix to handling of embedded collections
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Fix to generic query compilation for words starting "new"
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Fix to JDOQL compilation of subquery FROM clause
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Fix to the attach of nested embedded objects
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Improvements to the query results cache to allow pinning/unpinning and to not validate
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Fix to JTA handling introduced in M1 release
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Add support for "detachAllOnRollback"
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Removal of unnecessary flush on 1-1 relation
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Bug fix to usage when invoked path has "+" symbol
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Addition of plugin for persistence of primary JodaTime types, and simple querying for RDBMS
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Cache : Support for pinning/unpinning of query results with Memcache/javax.cache
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Enhancer : Bug fix to return code from enhancer when run from command line
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JPA : Support for JPA "extended persistence context"
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JPA : Fix to use of @EmbeddedId in extended persistence context
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JPA : Support for optional attribute of @ManyToOne
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LDAP : Support for persistence of recursive object graph to hierarchical structure
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RDBMS : Addition of support for persistence to Oracle TimesTen datastore (Anton Troshin)
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RDBMS : JDOQL2 support for "SELECT this" queries, and DISTINCT
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RDBMS : JDOQL2 support for temporal queries
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RDBMS : JDOQL2 support for subqueries
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RDBMS : JPQL2 support for subqueries
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RDBMS : JPQL2 support for bulk update/delete by query
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RDBMS : SQL API fixes to cater for composite PKs and ordering of expressions
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RDBMS : Improvements to choice of whether to use UNION or discriminator for inheritance
detection
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RDBMS : Some fixes to handling of temporal types to add more flexibility
This release is downloadable under an Apache 2 license from the
DataNucleus community site.
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